Certified Diamonds & Gemstones

A stunning collection of gemstones, including Sapphires, Diamonds, Tsavorites and more

227 items 227 items
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Certified Diamonds & Gemstones

A stunning collection of gemstones, including Sapphires, Diamonds, Tsavorites and more

Auction closed

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  • Ended 11 Feb 2020 14:00 GMT

Auction details

Currency: GBP
Buyer's premium Inc. VAT/sales tax: 26.40%
Online commission inc. VAT/sales tax: 0.00%

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IGI Certified 0.92 ct. Pear Brilliant Diamond UNTREATED IGI Certified 0.92 ct Pear Modified Brilliant Diamond UNTREATED- O-P - SI 2.100% Natural.S...

GFCO (SWISS) Certified 6.57 ct. Brown Smoky Quartz GFCO (SWISS) Certified 6.57 ct Brown Smoky Quartz . Cut - Hexagon Fancy Step Cut. Color - Bro...

LOTUS Cert. 6.12 ct. BASALTIC Blue Sapphire - Untreated LOTUS Certified 6.12 ct Untreated Blue Sapphire - BASALTIC.Cut - Antique Cushion Brilliant...

IGI Cert. 1.03 ct. Diamond Q-R - I1 UNTREATED AFRICA IGI Certified 1.03 ct Round Brilliant Diamond - Q-R - I1. 100% Natural.Ct Weight - 1.03 ct....

GIA Cert. 2.40 ct. Neon Greenish Blue "PARAIBA" BRAZIL GIA Certified 2.40 ct Neon Greenish Blue "PARAIBA" Tourmaline - BRAZIL.Cut - Oval Modified ...

LOTUS Certified 2.17 ct. Untreated Pigeons Blood Ruby LOTUS Certified 2.17 ct Pigeons Blood Untreated Ruby - MOZAMBIQUE.Pigeon’s Blood.The highly ...

IGI Cert. 2.33 ct. Untreated Blue Sapphire AFRICA IGI Certified 2.33 ct Untreated Deep Violetish Blue Sapphire - AFRICA.Ct Weight - 2.33 ct.Cut - ...

IGI Cert. 2.33ct. Set of 2 Flower Cut Peridots PAKISTAN IGI Certified Set of 2 Flower Cut - 1.11 + 1.22 = 2.33 ct Yellowish Green Peridots PAKISTA...

IGI Certified 1.01 ct. Diamond - L - UNTREATED IGI Certified 1.01 ct Diamond - L - I 1 - UNTREATED.100% Natural.Shape - Round Brilliant.Color - L...

IGI Certified 3.10 ct. Blue Sapphire SRI LANKA, CEYLON IGI Certified 3.10 ct Blue Sapphire - SRI LANKA, CEYLON.Ct Weight - 3.10.Cut - Oval Mixed c...

GFCO (SWISS) Certified 6.11 ct. Blue Topaz - BRAZIL GFCO (SWISS) Certified 6.11 ct Blue Topaz - BRAZIL.Cut - Trillion Fancy Cut. Color - Blue.Ct W...

GIA Certified 2.13 ct. Untreated Brilliant Ruby - BURMA GIA Certified 2.13 ct Untreated Ruby - BURMA, MYANMAR.Ct Wt. - 2.13 ct.Cut - Oval Brillian...

GIA Certified 2.53 ct. Untreated Sapphire - SRI LANKA GIA Certified 2.53 ct Untreated Violet Sapphire - SRI LANKA, CEYLON.Ct Weight - 2.53 ct.Colo...

IGI Certified Sealed 1.76 Ct. Diamond "D Box" UNTREATED IGI Certified Sealed 1.76 ct Diamond “D Box” UNTREATED.100% Natural.Carat Weight - 1.76 ct...

GFCO Certified 6.30 ct. Blue Zircon - CAMBODIA GFCO (SWISS) Certified 6.30 ct Blue Zircon - CAMBODIA.Color - Blue.Clarity - VVS. Cut - Fancy Octag...

LOTUS Certified 6.37 ct. Spinel - BURMA, MYANMAR LOTUS Certified 6.37 ct Spinel - BURMA, MYANMAR.Color - Red. Saturation - Intense.Tone - Deep.Cut...

GIA 1.57 ct. Untreated Royal Blue Sapphire - MADAGASCAR GIA Certified 1.57 ct Untreated Royal Blue Sapphire - Madagascar.Ct Weight - 1.57 ct.Color...

IGI Cert. 0.51 ct. Diamond - Fancy Brown - I1 UNTREATED IGI Certified 0.51 ct Diamond - Fancy Brown - I 1 UNTREATED . 100% Natural.Shape - Cushi...

IGI Cert. 3.04ct. Neon Greenish Blue " PARAIBA " BRAZIL IGI Certified SEALED 3.04 ct Neon Greenish Blue " PARAIBA " Tourmaline BRAZIL.Cut - Oval M...

GFCO (Swiss) Certified 61.84 ct. Star Rhodolite Garnet GFCO (Swiss) Certified 61.84 ct Star Rhodolite Garnet - AFRICA.Cut - Oval Cabochon.Color - ...

GRS 1.03 ct. Padparadscha Sapphire Untreated MADAGASCAR GRS Certified 1.03 ct Padparadscha Sapphire Untreated - MADAGASCAR.Color - Orangy - Pink.C...

LOTUS Certified 1.01 ct. Untreated Ruby - MOZAMBIQUE LOTUS Certified 1.01 ct Ruby Untreated - MOZAMBIQUE.Cut - Oval Brilliant Step Cut. Color - Pi...

IGI Certified 17.97 ct. Purple Pink Kunzite AFGHANISTAN IGI Certified 17.97 ct Kunzite - Purple Pink - AFGHANISTAN.Excellent Color and Clarity.Col...

GIA Certified 1.79ct. Untreated Blue Sapphire SRI LANKA GIA Certified 1.79 ct Untreated Blue Sapphire - SRI LANKA, CEYLON.Ct Weight - 1.79 ct.Cut ...

GIA Cert. 3.52ct. Tsavorite Garnet - KENYA, EAST-AFRICA GIA Certified 3.52 ct Tsavorite (Grossular-Garnet) - KENYA, EAST-AFRICA.Cut - Oval Modifie...

GFCO Cert. 6.58 ct. Color Change Fluorite - NAMIBIA GFCO (Swiss) Certified 6.58 ct Color Change Fluorite - NAMIBIA.Color - Blue changing to Purple...

IGI Cert. 0.38 ct. Diamond Fancy Light Yellow Untreated IGI Certified 0.38 ct Diamond - Fancy Light Yellow - SI 1.100% Natural.Shape - Cushion Mod...

LOTUS 3.04 ct. PASTEL BLUE Sapphire - SRI LANKA, CEYLON LOTUS Certified 3.04 ct PASTEL BLUE Sapphire - SRI LANKA, CEYLON.PASTEL BLUE.The delicate ...

GIA Certified 1.04 ct. Untreated Ruby - MOZAMBIQUE GIA Certified 1.04 ct Untreated Ruby - MOZAMBIQUE.Cut - Oval Brilliant Step Cut. Color - Red. C...

16.13 ct. Greenish Red Tourmaline Carving - BRAZIL 16.13 ct Greenish Red Tourmaline Carving - Untreated - BRAZIL . 100% Natural.Cut - Carving.Co...

IGI Certified 1.20 ct. Blue Sapphire SRI LANKA, CEYLON IGI Certified 1.20 ct Blue Sapphire - SRI LANKA, CEYLON.Color - Violetish Blue.Cut - Pear M...

GIA Cert. 11.92 ct. Red Spinel - BURMA, MYANMAR GIA Certified 11.92 ct Red Spinel - BURMA, MYANMAR (MOGOK). Color - Dark Red. Cut - Oval Brillia...

IGI Certified 0.45 ct. Diamond - Fancy Brown UNTREATED IGI Certified 0.45 ct Diamond - Fancy Brown - SI 2 UNTREATED.100% Natural.Shape - Pear Bril...

GIA Cert.10.90ct. Alexandrite (Color change) MADAGASCAR GIA certified 10.90 ct Alexandrite (Color change) - MADAGASCAR.Color - Brownish Greenish Y...

IGI Cert. 4.99 ct. Untreated Fancy Sapphire MADAGASCAR IGI Certified 4.99 ct Untreated Fancy Sapphire - MADAGASCAR.Ct Weight - 4.99 ct.Color - Dee...

GIA Certified 1.21 ct. Untreated Ruby - BURMA, MYANMAR GIA Certified 1.21 ct Untreated Ruby - BURMA, MYANMAR.Cut - Oval Brilliant / Step cut.Color...

IGI Cert. 2.62 ct. Bluish Sapphire - SRI LANKA, CEYLON IGI Certified 2.62 ct Bluish Violet Sapphire - SRI LANKA, CEYLON.Ct Weight - 2.62 ct.Color-...

2.92 ct. Orange Zircon - TANZANIA 2.92 ct Orange Zircon - TANZANIA.Color - Orange.Clarity - VVS. Cut - Oval.Ct Weight - 2.92 ct.Dimensions - 8.4 X...

IGI Cert. 0.45 ct. Fancy Light Yellow Diamond UNTREATED IGI Certified 0.45 ct Fancy Light Yellow Diamond UNTREATED.100% Natural.Shape - Square Cus...

IGI Certified 7.45 ct. Emerald COLOMBIA (RARE QUALITY) IGI Certified 7.45 ct Emerald - COLOMBIA.Fine color and quality on Report.Cut - Rectangular...

LOTUS - 3.72 ct. Cornflower Blue Sapphire - MADAGASCAR LOTUS Certified Cornflower Blue Sapphire - MADAGASCAR.LOTUS Type - Cornflower Blue.The live...

GIA Cert. 1.30 ct. PIGEONS BLOOD RED Ruby - MOZAMBIQUE GIA Certified 1.30 ct Untreated PIGEON'S BLOOD (Crimson Red) Ruby - MOZAMBIQUE.Cut - Oval B...

GIA Certified 1.36 ct. Royal Blue Sapphire - MADAGASCAR GIA Certified 1.36 ct Royal Blue Sapphire - MADAGASCAR.Ct Weight - 1.36 ct.Color - Royal B...

IGI Cert. 0.35ct. Diamond Fancy Brownish Grey Untreated IGI Certified 0.35 ct Diamond - Fancy Brownish Grey - SI 1.100% Natural.Shape - Pear Modif...

GFCO (Swiss) Cert.15.70 ct. Green Tourmaline MOZAMBIQUE GFCO (Swiss) Certified 15.70 ct Green Tourmaline - MOZAMBIQUE.Ct Weight - 15.70 ct.Color -...

LOTUS Certified 8.11 ct. Spinel - BURMA, MYANMAR LOTUS Certified 8.11 ct Spinel - BURMA, MYANMAR.Color - Bluish Green.Saturation - Medium.Tone - D...

GIA Certified 3.00 ct. Untreated Blue Sapphire - BURMA GIA Certified 3.00 ct Untreated Blue Sapphire - BURMA, MYANMAR.Ct Weight - 3.00 ct.Color - ...

GIA Cert. 4.01 ct. Tsavorite Garnet - KENYA,EAST AFRICA GIA Certified 4.01 ct Tsavorite (Grossular-Garnet) - KENYA, EAST-AFRICA.Cut - Oval Modifie...

IGI Sealed 1.91 ct. "Diamond D-Box" - Q - R UNTREATED IGI Sealed 1.91 ct "Diamond D-Box" - Round Brilliant Natural Diamonds - Q - R / I1 - I2 UNTR...

GRS Certified 6.10 ct. Padparadscha Sapphire UNTREATED GRS Certified 6.10 ct Padparadscha Sapphire - SRI LANKA.Color - Orange - Pink.Clarity - Tra...

GIA Certified 2.03 ct. Untreated Ruby - MOZAMBIQUE GIA Certified 2.03 ct Untreated Ruby - MOZAMBIQUE.Cut - Oval Brilliant / Step cut.Color - Red. ...

GFCO Cert. 6.14 ct. Vivid Orange "FIRE OPAL" - MEXICO GFCO (Swiss) Certified 6.14 ct Vivid Orange “FIRE OPAL” - MEXICO.Cut - Trillion Cabochon.Col...

IGI Cert. 1.61 ct. Bluish Violet Sapphire - MADAGASCAR IGI Certified 1.61 ct Bluish Violet Sapphire - MADAGASCAR.Ct Weight - 1.61 ct.Color - Bluis...

Tokyo Gem Lab Certified Sealed 2.15 ct. Brown Diamond Tokyo Gem Laboratory Certified Sealed 2.15 ct Brown Diamond - AUSTRALIA.100% Natural.Shape -...

IGI Certified 9.65 ct. Bluish Green Aquamarine BRAZIL IGI Certified 9.65 ct Bluish Green Aquamarine - BRAZIL.Color - Bluish Green.Cut - Round Mixe...

GIA Cert. 2.90 ct. Bluish Violet Sapphire - MADAGASCAR GIA Certified 2.90 ct Bluish Violet Sapphire - MADAGASCAR.Cut - Cushion Modified Brilliant ...

GIA Cert. 20.44 ct. Neon Greenish Blue "Paraiba" BRAZIL GIA Certified 20.44 ct Neon Greenish Blue Paraiba Tourmaline BRAZIL.Cut - Round Modified B...

LOTUS Certified 2.22 ct. FUCHSIA FLOWER Ruby MOZAMBIQUE LOTUS Certified 2.22 ct Fuchsia Flower Ruby - MOZAMBIQUE.FUCHSIA FLOWER RUBY.The lovely ma...

GIA Certified 0.16 ct. Diamond - F / SI1 - UNTREATED GIA Certified 0.16 ct Diamond - F / SI1 - UNTREATED . 100% Natural.Ct Weight - 0.16 ct.Cut -...

GIA Cert. 6.21 ct. Untreated Yellow Sapphire SRI LANKA GIA Certified 6.21 ct Untreated Yellow Sapphire - SRI LANKA, CEYLON.Ct Weight - 6.21 ct.Col...

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