gemology

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Gemological Gemstone Gem Refractometer Built-In Light for GIA testing
Gemological Gemstone Gem Refractometer Built-In Light for GIA testing

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Blue Tanzania Of Tanzanite Certified Cushion Cut 93.15 Ct Natural Loose Gemstone
Blue Tanzania Of Tanzanite Certified Cushion Cut 93.15 Ct Natural Loose Gemstone

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High Quality Portable Calcite Dichroscope, GEM Gemological tools for GIA use
High Quality Portable Calcite Dichroscope, GEM Gemological tools for GIA use

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Monochromatic Light source for Gems Refractometer. Gemstone Gemological Testing
Monochromatic Light source for Gems Refractometer. Gemstone Gemological Testing

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51.20 Ct Natural Green Emerald Certified Colombian Gemstone Lot 4Pcs 24mm
51.20 Ct Natural Green Emerald Certified Colombian Gemstone Lot 4Pcs 24mm

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Belomo Triplet 10x Loupe Magnifier Glass Jewelry Gemology Professional tool
Belomo Triplet 10x Loupe Magnifier Glass Jewelry Gemology Professional tool

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GIE Certified Natural 130.50 Ct Mexican Fire Opal Red Orange Oval Cut Gemstone
GIE Certified Natural 130.50 Ct Mexican Fire Opal Red Orange Oval Cut Gemstone

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The Sisk Gemology Reference Volume 3 Gallery Of Gems By Jerry Sisk
The Sisk Gemology Reference Volume 3 Gallery Of Gems By Jerry Sisk

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Colombian Huge Oval Cut Green Emerald 120+ Ct Certified Natural Loose Gemstone
Colombian Huge Oval Cut Green Emerald 120+ Ct Certified Natural Loose Gemstone

$26.63

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Natural Green Opal Cube Welo Australian 120.55 Ct Certified Untreated Gemstone
Natural Green Opal Cube Welo Australian 120.55 Ct Certified Untreated Gemstone

$22.90

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100 CT+ Natural Mystic Topaz Rainbow Color Cube Cut Certified Loose Gemstone AAA
100 CT+ Natural Mystic Topaz Rainbow Color Cube Cut Certified Loose Gemstone AAA

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50+ Ct Natural Watermelon Tourmaline Emerald Cut EGL Certified Loose Gemstone
50+ Ct Natural Watermelon Tourmaline Emerald Cut EGL Certified Loose Gemstone

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Certified Natural Calibrated Zambian Emerald Unheated 7x5 mm Lot Loose Gemstones
Certified Natural Calibrated Zambian Emerald Unheated 7x5 mm Lot Loose Gemstones

$20.00

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14.85 Ct Natural Flawless Blue Ceylon Sapphire Cushion Certified Loose Gemstone
14.85 Ct Natural Flawless Blue Ceylon Sapphire Cushion Certified Loose Gemstone

$20.87

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Natural Green Colombian Emerald GIE Certified Asscher Cut 9x9 MM Loose Gemstone
Natural Green Colombian Emerald GIE Certified Asscher Cut 9x9 MM Loose Gemstone

$26.06

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75 Ct+ Natural Oval Color Change Alexandrite Flawless Certified Loose Gemstone
75 Ct+ Natural Oval Color Change Alexandrite Flawless Certified Loose Gemstone

$36.39

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150.00 Ct Natural Ethiopian Pink Welo Opal Radiant Cut Certified Loose Gemstone
150.00 Ct Natural Ethiopian Pink Welo Opal Radiant Cut Certified Loose Gemstone

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GIE Certified Natural Brazilian 200 Ct Emerald Cut Yellow Topaz Loose Gemstone
GIE Certified Natural Brazilian 200 Ct Emerald Cut Yellow Topaz Loose Gemstone

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Ocean Blue 256.55 Ct Certified Huge Topaz Oval Cut Brazilian Natural Gemstone
Ocean Blue 256.55 Ct Certified Huge Topaz Oval Cut Brazilian Natural Gemstone

$36.44

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Natural Violet Amethyst Emerald Cut 49.45 Ct Certified Loose Gemstone
Natural Violet Amethyst Emerald Cut 49.45 Ct Certified Loose Gemstone

$14.63

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Best Prize Sale 160 Ct Blue Turquoise Arizona Rough EGL Certified Gemstone KKH
Best Prize Sale 160 Ct Blue Turquoise Arizona Rough EGL Certified Gemstone KKH

$25.00

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AAA 68 Ct+ Loose Gemstone Natural Rainbow Mystic Topaz Certified Oval Cut
AAA 68 Ct+ Loose Gemstone Natural Rainbow Mystic Topaz Certified Oval Cut

$20.15

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Natural Montana Sapphire Topaz Opal Tourmaline Heliodor 27 Pcs Lot Gems 504
Natural Montana Sapphire Topaz Opal Tourmaline Heliodor 27 Pcs Lot Gems 504

$26.43

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10 Ct Natural Santa Maria Blue Aquamarine Emerald Cut Loose Gemstone Certified
10 Ct Natural Santa Maria Blue Aquamarine Emerald Cut Loose Gemstone Certified

$25.15

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Certified Natural Brazilian 201 Ct Sky Blue Emerald Cut Topaz Loose Gemstone
Certified Natural Brazilian 201 Ct Sky Blue Emerald Cut Topaz Loose Gemstone

$18.16

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4.49 Ct  Natural Ural Mountains of Russian  Pure Gorgeous Alexandrite Gemstone
4.49 Ct Natural Ural Mountains of Russian Pure Gorgeous Alexandrite Gemstone

$11.61

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GLC Chanthaburi Gemological Laboratory Brief Report With Photo x1 (Service)
GLC Chanthaburi Gemological Laboratory Brief Report With Photo x1 (Service)

$15.00

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Nikon 10x Jewelry Triplet Loupe Magnifier Official Gemological Magnification New
Nikon 10x Jewelry Triplet Loupe Magnifier Official Gemological Magnification New

$49.99

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Amethyst Gemstone Designer Handmade Birthstone Tennis Necklace-Video
Amethyst Gemstone Designer Handmade Birthstone Tennis Necklace-Video

$300.00

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10.20 Ct+ Pitambari Sapphire Natural Bi-Color Oval Cut Loose Certified Gemstone
10.20 Ct+ Pitambari Sapphire Natural Bi-Color Oval Cut Loose Certified Gemstone

$26.17

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Green Emerald 120+ Ct Colombian Huge Oval Cut Natural Loose Certified Gemstone
Green Emerald 120+ Ct Colombian Huge Oval Cut Natural Loose Certified Gemstone

$23.39

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746.25 Cts 62x40mm Cushion Lustrous Blue Tanzanite HUGE-Size Loose Gemstone
746.25 Cts 62x40mm Cushion Lustrous Blue Tanzanite HUGE-Size Loose Gemstone

$34.99

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Black Fire Opal Oval Cabochon 15x11 mm 4 Cts AAA+ Australian Loose Gemstone
Black Fire Opal Oval Cabochon 15x11 mm 4 Cts AAA+ Australian Loose Gemstone

$19.99

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Gemology - Handbook of Gem Identification by; Lidddicot, Jr - HC Book, 1951
Gemology - Handbook of Gem Identification by; Lidddicot, Jr - HC Book, 1951

$19.95

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18 Ct Loose Gemstone Fancy Cut Natural Tanzanite Certified Pair H252
18 Ct Loose Gemstone Fancy Cut Natural Tanzanite Certified Pair H252

$17.39

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Certified Natural Diamond Ruby Tourmaline Tanzanite Topaz Kyanite 56 Pc Lot q423
Certified Natural Diamond Ruby Tourmaline Tanzanite Topaz Kyanite 56 Pc Lot q423

$34.97

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Certified Natural Boysenberry Sapphire Diamond Rhodolite Emerald 58 Pcs Lot b636
Certified Natural Boysenberry Sapphire Diamond Rhodolite Emerald 58 Pcs Lot b636

$28.11

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Extremely Rare Natural Purple Tanzanite 5 to 7 Ct Round AAA+ Certified Loose Gem
Extremely Rare Natural Purple Tanzanite 5 to 7 Ct Round AAA+ Certified Loose Gem

$17.99

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Brazilian GREEN Color Topaz 100 Ct+Cube Cut Natural EGL Certified Loose Gemstone
Brazilian GREEN Color Topaz 100 Ct+Cube Cut Natural EGL Certified Loose Gemstone

$16.55

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AmScope 3.5X-90X Advanced Jewel Gem Microscope + 10MP Digital Camera
AmScope 3.5X-90X Advanced Jewel Gem Microscope + 10MP Digital Camera

$1893.99

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Natural 10.00 Ct Flawless Russian Color Changing Alexandrite Oval Gemstone
Natural 10.00 Ct Flawless Russian Color Changing Alexandrite Oval Gemstone

$24.72

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100 Ct+ Natural Mystic Topaz Lot Rainbow Color Mix Cut Certified Loose Gemstone
100 Ct+ Natural Mystic Topaz Lot Rainbow Color Mix Cut Certified Loose Gemstone

$23.79

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Expert Guides: Minerals  Gemstones - Paperback By David C Cook - GOOD
Expert Guides: Minerals Gemstones - Paperback By David C Cook - GOOD

$5.81

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AAA Quality Flawless BLUE Sapphire Emerald Cut 21.15 Ct CERTIFIED Loose Gemstone
AAA Quality Flawless BLUE Sapphire Emerald Cut 21.15 Ct CERTIFIED Loose Gemstone

$14.39

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CERTIFIED 10 Ct Natural Flawless Ceylon Sapphire Cushion Cut Blue Loose Gemstone
CERTIFIED 10 Ct Natural Flawless Ceylon Sapphire Cushion Cut Blue Loose Gemstone

$17.99

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65.50 Ct Extremely Rare Lab-Created Ruby Red CERTIFIED Loose Gemstone Cube Cut
65.50 Ct Extremely Rare Lab-Created Ruby Red CERTIFIED Loose Gemstone Cube Cut

$17.99

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Professional Prism/Prismatic Spectroscope Gem Gemstone Tool for Gemological use
Professional Prism/Prismatic Spectroscope Gem Gemstone Tool for Gemological use

$61.20

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New Russian Color Changing Alexandrite 1.50Ct AAA Quality Emerald Shape Gemstone
New Russian Color Changing Alexandrite 1.50Ct AAA Quality Emerald Shape Gemstone

$11.40

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Handheld Diffraction Spectroscope, Pocket-Sized Grating Gemological Spectrome...
Handheld Diffraction Spectroscope, Pocket-Sized Grating Gemological Spectrome...

$50.88

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Blue Tanzanite Trillion Cut Natural AAA Quality Certified 9.25 Ct Loose Gemstone
Blue Tanzanite Trillion Cut Natural AAA Quality Certified 9.25 Ct Loose Gemstone

$16.55

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Pocket Diffraction Grating Spectroscope Gem/Gemological Tool for GIA use
Pocket Diffraction Grating Spectroscope Gem/Gemological Tool for GIA use

$38.99

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23.90 Ct Mind-Blowing Natural Uncut Rough Green Peridot Certified Gemstone NSH
23.90 Ct Mind-Blowing Natural Uncut Rough Green Peridot Certified Gemstone NSH

$22.75

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Meiji EMT Gemological Microscope
Meiji EMT Gemological Microscope

$229.99

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Radical Gem Testing Gemology Darkfield 7-100x Zoom Stereo Microscope Dual Light
Radical Gem Testing Gemology Darkfield 7-100x Zoom Stereo Microscope Dual Light

$764.10

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Deep Blue Tanzania OF Tanzanite Natural 53 Ct Loose Cushion CERTIFIED Gemstone
Deep Blue Tanzania OF Tanzanite Natural 53 Ct Loose Cushion CERTIFIED Gemstone

$17.99

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Mexican Fire Opal Red Orange Cushion Cut Natural 128.90 Ct A+ Certified Gemstone
Mexican Fire Opal Red Orange Cushion Cut Natural 128.90 Ct A+ Certified Gemstone

$19.43

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11 Ct Colombian Natural Green Emerald Square Cut Certified Loose Gemstone AAA
11 Ct Colombian Natural Green Emerald Square Cut Certified Loose Gemstone AAA

$13.74

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10 Pcs Lot Round Shape Natural New Small Size Black Diamond Certified Gemstone
10 Pcs Lot Round Shape Natural New Small Size Black Diamond Certified Gemstone

$18.04

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AAA RARE Natural Certified Unheated Brazil Blue 14Ct+ Aquamarine Loose Gemstone
AAA RARE Natural Certified Unheated Brazil Blue 14Ct+ Aquamarine Loose Gemstone

$18.71

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Untreated EGL Certified Flawless 59.8 Ct Natural Emerald Colombia Loose Gemstone
Untreated EGL Certified Flawless 59.8 Ct Natural Emerald Colombia Loose Gemstone

$32.39

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NATURAL Loose Montana Bi-Color Change Sapphire Cushion Cut  GEMSTONE 6.95 Ct
NATURAL Loose Montana Bi-Color Change Sapphire Cushion Cut GEMSTONE 6.95 Ct

$26.62

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EGL  Certified 106.55  Ct Natural Sky Blue Topaz Emerald Cut AAA+ Loose Gemstone
EGL Certified 106.55 Ct Natural Sky Blue Topaz Emerald Cut AAA+ Loose Gemstone

$19.43

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22.50 Ct Natural Ammolite Oval Opal-Like Organic Doublet Rare Loose GEMSTONE
22.50 Ct Natural Ammolite Oval Opal-Like Organic Doublet Rare Loose GEMSTONE

$17.00

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Natural Padparadscha Sapphire Asscher Cut EGL Certified 11.55 Ct Loose Gemstone
Natural Padparadscha Sapphire Asscher Cut EGL Certified 11.55 Ct Loose Gemstone

$23.03

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Loose Gemstone 20.55 Ct Certified Aquamarine Cushion Cut Pair P257
Loose Gemstone 20.55 Ct Certified Aquamarine Cushion Cut Pair P257

$14.39

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Certified 69.41 Ct Natural Neon Yellow Fire Opal Cushion Cut Untreated Gemstone
Certified 69.41 Ct Natural Neon Yellow Fire Opal Cushion Cut Untreated Gemstone

$20.25

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Flawless Natural 10.25 Ct Colombian Green Emerald Certified Cushion Cut Gemstone
Flawless Natural 10.25 Ct Colombian Green Emerald Certified Cushion Cut Gemstone

$14.42

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Certified Natural Green Emerald 25 Ct AAA+ Oval Cut Loose Gemstone Lot 23 pcs
Certified Natural Green Emerald 25 Ct AAA+ Oval Cut Loose Gemstone Lot 23 pcs

$21.24

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100.50 Ct Fancy Cut Natural Rutilated Quartz Loose EGL Certified Gemstone
100.50 Ct Fancy Cut Natural Rutilated Quartz Loose EGL Certified Gemstone

$19.43

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Sky Blue Turquoise Gemstone Crushed Powder - Vivid Hue for Resin Art, DIY Crafts
Sky Blue Turquoise Gemstone Crushed Powder - Vivid Hue for Resin Art, DIY Crafts

$7.49

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Trillion Cut Flawless Blue Tanzania Of Tanzanite Loose Gemstone Certified 60 Ct
Trillion Cut Flawless Blue Tanzania Of Tanzanite Loose Gemstone Certified 60 Ct

$13.67

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Handbook of Gem Identification by Richard T. Liddicoat (1989, Trade Paperback)
Handbook of Gem Identification by Richard T. Liddicoat (1989, Trade Paperback)

$14.99

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10 Ct+ Natural Certified BURMA Pigeon Blood Red Ruby Unheated Loose Gemstone
10 Ct+ Natural Certified BURMA Pigeon Blood Red Ruby Unheated Loose Gemstone

$15.99

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Pitambari Sapphire 12 Ct NATURAL Bi-Color EGL CERTIFIED Round Cut Loose Gemstone
Pitambari Sapphire 12 Ct NATURAL Bi-Color EGL CERTIFIED Round Cut Loose Gemstone

$20.15

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Natural Blue Tanzanite Loose Gemstone Pair 18 Ct Certified  Round Cut H562
Natural Blue Tanzanite Loose Gemstone Pair 18 Ct Certified Round Cut H562

$17.99

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Natural 11 Ct+ Oval Cabochon 6 Rays Linde Blue Star Sapphire Loose Gemstone A+
Natural 11 Ct+ Oval Cabochon 6 Rays Linde Blue Star Sapphire Loose Gemstone A+

$37.95

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Rainbow Color 100Ct+ Natural Mystic Topaz EGL Certified ROUND CUT Loose Gemstone
Rainbow Color 100Ct+ Natural Mystic Topaz EGL Certified ROUND CUT Loose Gemstone

$21.59

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235.10 Ct Natural Brazilian Red Topaz AAA+ Oval Cut Loose Gemstone Certified
235.10 Ct Natural Brazilian Red Topaz AAA+ Oval Cut Loose Gemstone Certified

$25.91

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Natural Colombia Green Emerald 5 MM Round 16Pcs Lot GIE Certified Loose Gemstone
Natural Colombia Green Emerald 5 MM Round 16Pcs Lot GIE Certified Loose Gemstone

$22.90

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Mystic Topaz Natural Rainbow Color Cube Cut Certified Loose Gemstone 50+ Ct
Mystic Topaz Natural Rainbow Color Cube Cut Certified Loose Gemstone 50+ Ct

$21.59

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Round Cut Bi Color Loose Gemstone Certified Natural Alexandrite 1.40 Ct
Round Cut Bi Color Loose Gemstone Certified Natural Alexandrite 1.40 Ct

$9.59

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91 Ct Deep Blue Tanzania OF Tanzanite CERTIFIED EMERALD Natural Loose Gemstone
91 Ct Deep Blue Tanzania OF Tanzanite CERTIFIED EMERALD Natural Loose Gemstone

$20.15

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1000 CT Lot Natural Blue Sapphire Certified Huge Size Rough
1000 CT Lot Natural Blue Sapphire Certified Huge Size Rough

$18.48

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189.65 Ct Natural Deep Blue Tanzanite Uncut Rough Certified Loose Gemstone MKS
189.65 Ct Natural Deep Blue Tanzanite Uncut Rough Certified Loose Gemstone MKS

$15.47

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Color Change Natural Alexandrite Emerald Cut 6.50 Ct CERTIFIED Loose Gemstone
Color Change Natural Alexandrite Emerald Cut 6.50 Ct CERTIFIED Loose Gemstone

$20.15

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EGL Certified 105+ Ct Natural Sky Blue Topaz Emerald Cut AAA+ Loose Gemstone
EGL Certified 105+ Ct Natural Sky Blue Topaz Emerald Cut AAA+ Loose Gemstone

$17.99

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Sapphire Oval Cut Natural Royal Blue Color EGL Certified Ceylon Loose Gemstone
Sapphire Oval Cut Natural Royal Blue Color EGL Certified Ceylon Loose Gemstone

$17.99

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Natural Ceylon Padparadscha Sapphire Cushion Cut 13 Ct+ Loose Certified Gemstone
Natural Ceylon Padparadscha Sapphire Cushion Cut 13 Ct+ Loose Certified Gemstone

$22.32

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Pitambari Sapphire Natural Bi-Colour Round Cut Certified 8.05 Ct+ Loose Gemstone
Pitambari Sapphire Natural Bi-Colour Round Cut Certified 8.05 Ct+ Loose Gemstone

$25.40

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Untreated Natural Kashmiri BLUE Sapphire 9.55 Ct Certified Loose Gemstone
Untreated Natural Kashmiri BLUE Sapphire 9.55 Ct Certified Loose Gemstone

$27.42

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Flawless Natural 9.50 Ct Green Emerald EGL Certified Emerald Cut Loose Gemstone
Flawless Natural 9.50 Ct Green Emerald EGL Certified Emerald Cut Loose Gemstone

$26.72

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Natural 10.00 Ct Flawless Russian Color Changing Alexandrite Oval Gemstone
Natural 10.00 Ct Flawless Russian Color Changing Alexandrite Oval Gemstone

$17.42

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Natural Santa Maria Blue Aquamarine Cushion Cut Certified 7.05 Ct Loose Gemstone
Natural Santa Maria Blue Aquamarine Cushion Cut Certified 7.05 Ct Loose Gemstone

$18.47

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2000 Carat Lots of Ruby/Sapphire Rough- Plus a FREE Faceted Gemstone
2000 Carat Lots of Ruby/Sapphire Rough- Plus a FREE Faceted Gemstone

$24.37

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6.39 Ct Natural Brazil Blue Paraiba Tourmaline Loose Emerald Flawless Gemstone
6.39 Ct Natural Brazil Blue Paraiba Tourmaline Loose Emerald Flawless Gemstone

$28.43

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Blue Tanzania Of Tanzanite Certified Cushion Cut 91.10 Ct Natural Loose Gemstone
Blue Tanzania Of Tanzanite Certified Cushion Cut 91.10 Ct Natural Loose Gemstone

$18.00

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Natural Flawless Cushion Blue Ceylon Sapphire Certified 14.80 Ct Loose Gemstone
Natural Flawless Cushion Blue Ceylon Sapphire Certified 14.80 Ct Loose Gemstone

$16.16

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GIA Master Set Diamond Color Grading Color Tester D-M Colorimetric 10 Stone
GIA Master Set Diamond Color Grading Color Tester D-M Colorimetric 10 Stone

$81.21

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Natural Size 100 Ct Brazilian White Topaz EGL Certified FANCY CUT Loose Gemstone
Natural Size 100 Ct Brazilian White Topaz EGL Certified FANCY CUT Loose Gemstone

$23.24

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