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Collection

Diamond Selection

Loose and set diamonds, described with certification where provided.

359 pieces

Featured Price · High to Low Price · Low to High

Pre-owned Unique IGI CERTIFIED 1.08ct AUSTRALIA Bi Colour Green Yellow Sapphire NO HEAT

Fine JewelryUnique IGI CERTIFIED 1.08ct AUSTRALIA Bi Colour Green Yellow Sapphire NO HEAT$711

Pre-owned NATURAL 1.04ct Sapphire Untreated Heart Cut Green Blue GIA CERTIFIED NO HEAT Gem

Fine JewelryNATURAL 1.04ct Sapphire Untreated Heart Cut Green Blue GIA CERTIFIED NO HEAT Gem$711

Pre-owned IGI CERTIFIED 0.90ct AUSTRALIA Bi Colour Yellow Sapphire UNTREATED Oval Cut Gem

Fine JewelryIGI CERTIFIED 0.90ct AUSTRALIA Bi Colour Yellow Sapphire UNTREATED Oval Cut Gem$965

Pre-owned 2.10ct Round Natural Diamond (Colour L, Clarity SI2, Cut EX, IGI Certified)

Fine Jewelry2.10ct Round Natural Diamond (Colour L, Clarity SI2, Cut EX, IGI Certified)$1,812

Pre-owned Unique IGI CERTIFIED Bi Colour Blue Yellow AUSTRALIA Sapphire 0.74ct UNHEATED

Fine JewelryUnique IGI CERTIFIED Bi Colour Blue Yellow AUSTRALIA Sapphire 0.74ct UNHEATED$762

Pre-owned 1.16ct Oval Natural Diamond (Colour M, Clarity SI1, GIA Certified)

Fine Jewelry1.16ct Oval Natural Diamond (Colour M, Clarity SI1, GIA Certified)$1,522

Pre-owned Fine IGI CERTIFIED 1.08ct Untreated AUSTRALIAN Deep Blue Sapphire Oval Cut RARE

Fine JewelryFine IGI CERTIFIED 1.08ct Untreated AUSTRALIAN Deep Blue Sapphire Oval Cut RARE$1,016

Pre-owned 1.30ct Marquise Natural Diamond (Colour M, Clarity SI1, GIA Certified)

Fine Jewelry1.30ct Marquise Natural Diamond (Colour M, Clarity SI1, GIA Certified)$1,664

Pre-owned IGI CERTIFIED 0.94ct AUSTRALIAN Deep Greenish Blue Sapphire Oval Cut RARE

Fine JewelryIGI CERTIFIED 0.94ct AUSTRALIAN Deep Greenish Blue Sapphire Oval Cut RARE$508

Pre-owned Natural 1.02ct UNTREATED Bi Colour Sapphire GIA CERTIFIED Cushion Cut Gem

Fine JewelryNatural 1.02ct UNTREATED Bi Colour Sapphire GIA CERTIFIED Cushion Cut Gem$711

Pre-owned FINE IGI CERTIFIED Deep Purple Pink Red Ruby 0.89ct PEAR Cut RARE Gemstone

Fine JewelryFINE IGI CERTIFIED Deep Purple Pink Red Ruby 0.89ct PEAR Cut RARE Gemstone$914

Pre-owned UNIQUE 1.40ct GIA CERTIFIED Hazy Green Blue Yellow Sapphire UNHEATED Oval Cut

Fine JewelryUNIQUE 1.40ct GIA CERTIFIED Hazy Green Blue Yellow Sapphire UNHEATED Oval Cut$813

Pre-owned 1.22ct NATURAL Sapphire Bluish Green GIA CERTIFIED Unheated Oval Cut Untreated

Fine Jewelry1.22ct NATURAL Sapphire Bluish Green GIA CERTIFIED Unheated Oval Cut Untreated$711

Pre-owned 1.11ct Lilac Pink Purple Sapphire GRA CERTIFIED Round Cut NO HEAT Loose Gem 6mm

Fine Jewelry1.11ct Lilac Pink Purple Sapphire GRA CERTIFIED Round Cut NO HEAT Loose Gem 6mm$559

Pre-owned IGI CERTIFIED 0.91ct AUSTRALIA Bi Colour Blue Green Yellow Sapphire Oval Cut Gem

Fine JewelryIGI CERTIFIED 0.91ct AUSTRALIA Bi Colour Blue Green Yellow Sapphire Oval Cut Gem$559

Pre-owned IGI CERTIFIED 0.87ct AUSTRALIA Vivid Blue Colour Sapphire UNTREATED Oval Cut

Fine JewelryIGI CERTIFIED 0.87ct AUSTRALIA Vivid Blue Colour Sapphire UNTREATED Oval Cut$711

Pre-owned FINE 3.08ct Deep Blue NATURAL Sapphire Heart Cut Loose Rare Gemstone 9.2x8mm

Fine JewelryFINE 3.08ct Deep Blue NATURAL Sapphire Heart Cut Loose Rare Gemstone 9.2x8mm$660

Pre-owned UNIQUE Natural GIA CERTIFIED Yellow Green Sapphire 1.22ct FANCY Shield Cut Gem

Fine JewelryUNIQUE Natural GIA CERTIFIED Yellow Green Sapphire 1.22ct FANCY Shield Cut Gem$864

Pre-owned IGI CERTIFIED 1.14ct Colour Change Green Blue Sapphire Oval Cut RARE Gemstone

Fine JewelryIGI CERTIFIED 1.14ct Colour Change Green Blue Sapphire Oval Cut RARE Gemstone$711

Pre-owned Untreated IGI CERTIFIED Bi Colour Sapphire 1.42ct Blue Yellow AUSTRALIAN Oval

Fine JewelryUntreated IGI CERTIFIED Bi Colour Sapphire 1.42ct Blue Yellow AUSTRALIAN Oval$864

Pre-owned 1.01ct Oval Natural Diamond (Colour H, Clarity VS2, GIA Certified)

Fine Jewelry1.01ct Oval Natural Diamond (Colour H, Clarity VS2, GIA Certified)$2,161

Pre-owned 2.33ct Round Natural Diamond (Colour L, Clarity SI2, Cut EX, IGI Certified)

Fine Jewelry2.33ct Round Natural Diamond (Colour L, Clarity SI2, Cut EX, IGI Certified)$1,874

Pre-owned Fine IGI CERTIFIED 1.05ct Natural AUSTRALIAN Deep Blue Sapphire Oval Cut Gem

Fine JewelryFine IGI CERTIFIED 1.05ct Natural AUSTRALIAN Deep Blue Sapphire Oval Cut Gem$813

Pre-owned GIA CERTIFIED 2.35ct Natural DEEP Blue Spinel UNTREATED Trillion Cut Gem

Fine JewelryGIA CERTIFIED 2.35ct Natural DEEP Blue Spinel UNTREATED Trillion Cut Gem$864

Pre-owned NATURAL 1.53ct Deep Blue Green Sapphire Oval Cut Loose Gemstone 7.5x6.5mm VVS

Fine JewelryNATURAL 1.53ct Deep Blue Green Sapphire Oval Cut Loose Gemstone 7.5x6.5mm VVS$660

Pre-owned IGI CERTIFIED 0.70ct Untreated Deep Purple Red Ruby Round Cut RARE Gem 5mm

Fine JewelryIGI CERTIFIED 0.70ct Untreated Deep Purple Red Ruby Round Cut RARE Gem 5mm$1,118

Pre-owned 0.70ct Pear Natural Diamond (Colour E, Clarity SI1, GIA Certified)

Fine Jewelry0.70ct Pear Natural Diamond (Colour E, Clarity SI1, GIA Certified)$770

Pre-owned Unique GIA CERTIFIED Ceylon Sapphire 1.26ct Bi Colour Yellow Blue Cushion Cut

Fine JewelryUnique GIA CERTIFIED Ceylon Sapphire 1.26ct Bi Colour Yellow Blue Cushion Cut$1,219

Pre-owned GIA CERTIFIED Unique Orange Pink UNHEATED Sapphire 0.75ct Oval Cut Gem No Heat

Fine JewelryGIA CERTIFIED Unique Orange Pink UNHEATED Sapphire 0.75ct Oval Cut Gem No Heat$660

Pre-owned IGI CERTIFIED 1.01ct Sapphire AUSTRALIA Vivid Yellow Green UNHEATED Trillion Cut

Fine JewelryIGI CERTIFIED 1.01ct Sapphire AUSTRALIA Vivid Yellow Green UNHEATED Trillion Cut$660

Pre-owned NATURAL 1.68ct Emerald Vivid Green Octagon Cut 9.1x5.4mm Loose RARE Gemstone

Fine JewelryNATURAL 1.68ct Emerald Vivid Green Octagon Cut 9.1x5.4mm Loose RARE Gemstone$864

Pre-owned IGI CERTIFIED 1.03ct Sapphire FINE Vivid Pink Purple Heart UNTREATED Gemstone

Fine JewelryIGI CERTIFIED 1.03ct Sapphire FINE Vivid Pink Purple Heart UNTREATED Gemstone$864

Pre-owned IGI CERTIFIED Bi Colour AUSTRALIA Blue Yellow Sapphire 0.67ct Oval Cut UNHEATED

Fine JewelryIGI CERTIFIED Bi Colour AUSTRALIA Blue Yellow Sapphire 0.67ct Oval Cut UNHEATED$559

Pre-owned IGI CERTIFIED 2.32ct STAR Sapphire UNTREATED Ceylon Violet Blue Oval Cab Gem

Fine JewelryIGI CERTIFIED 2.32ct STAR Sapphire UNTREATED Ceylon Violet Blue Oval Cab Gem$559

Pre-owned Fine NATURAL 0.54ct IGI CERTIFIED Bi Colour VIVID Yellow Blue Sapphire UNHEATED

Fine JewelryFine NATURAL 0.54ct IGI CERTIFIED Bi Colour VIVID Yellow Blue Sapphire UNHEATED$610

Pre-owned 1.00ct Round Natural Diamond (Colour G, Clarity VS2, Cut EX, GIA Certified)

Fine Jewelry1.00ct Round Natural Diamond (Colour G, Clarity VS2, Cut EX, GIA Certified)$2,846

Pre-owned 1.29ct IGI CERTIFIED Bi Colour Sapphire Blue Green Yellow AUSTRALIAN Untreated

Fine Jewelry1.29ct IGI CERTIFIED Bi Colour Sapphire Blue Green Yellow AUSTRALIAN Untreated$1,118

Pre-owned IGI CERTIFIED 0.74ct AUSTRALIA Bi Colour Blue Yellow Sapphire NATURAL Oval Cut

Fine JewelryIGI CERTIFIED 0.74ct AUSTRALIA Bi Colour Blue Yellow Sapphire NATURAL Oval Cut$660

Pre-owned IGI CERTIFIED 2.04ct Colour Change Green Blue THAI Sapphire Pear Cut RARE Gem

Fine JewelryIGI CERTIFIED 2.04ct Colour Change Green Blue THAI Sapphire Pear Cut RARE Gem$1,219

Pre-owned UNIQUE 1.39ct Blue Violet Purple Sapphire GIA CERTIFIED Natural Oval 6.6x5.5mm

Fine JewelryUNIQUE 1.39ct Blue Violet Purple Sapphire GIA CERTIFIED Natural Oval 6.6x5.5mm$864

Pre-owned NATURAL 1.02ct Untreated IGI CERTIFIED Green Blue AUSTRALIAN Sapphire Trillion

Fine JewelryNATURAL 1.02ct Untreated IGI CERTIFIED Green Blue AUSTRALIAN Sapphire Trillion$711

Pre-owned UNIQUE 4.02ct GIA CERTIFIED Ceylon Sapphire BI COLOUR Untreated Octagon RARE Gem

Fine JewelryUNIQUE 4.02ct GIA CERTIFIED Ceylon Sapphire BI COLOUR Untreated Octagon RARE Gem$10,668

Pre-owned 0.90ct Pear Natural Diamond (Colour D, Clarity SI1, GIA Certified)

Fine Jewelry0.90ct Pear Natural Diamond (Colour D, Clarity SI1, GIA Certified)$1,462

Pre-owned IGI CERTIFIED 4.12ct COLOMBIAN Emerald VIVID Blue Green Octagon Cut Gem

Fine JewelryIGI CERTIFIED 4.12ct COLOMBIAN Emerald VIVID Blue Green Octagon Cut Gem$3,048

Pre-owned 3.08ct NATURAL Deep Blue Green Teal Sapphire Pear Teardrop Cut 10.8x7.5mm Gem

Fine Jewelry3.08ct NATURAL Deep Blue Green Teal Sapphire Pear Teardrop Cut 10.8x7.5mm Gem$1,422

Pre-owned Fine IGI CERTIFIED Myanmar Burma STAR Ruby UNTREATED 0.98ct RARE Gem

Fine JewelryFine IGI CERTIFIED Myanmar Burma STAR Ruby UNTREATED 0.98ct RARE Gem$965

Pre-owned NATURAL 1.17ct Untreated IGI CERTIFIED Deep Green Blue AUSTRALIAN Sapphire Pear

Fine JewelryNATURAL 1.17ct Untreated IGI CERTIFIED Deep Green Blue AUSTRALIAN Sapphire Pear$864

Pre-owned GIA CERTIFIED Natural UNTREATED Ruby Purple Red 0.54ct Heart Cut Gem NO HEAT

GIAGIA CERTIFIED Natural UNTREATED Ruby Purple Red 0.54ct Heart Cut Gem NO HEAT$711