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Au $2,387.40 ▲
Ag $31.85 ▲
Pt $1,012.20 ▼
Pd $978.50 ▲
Rh
Ir
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Home  /  Gemstones & Diamonds
Department IV

Gemstones & Diamonds

Alchemy Trading Co. offers a curated selection of natural colored gemstones and diamonds - sapphires, rubies, spinels, emeralds, garnets, and other fine stones, in single pieces and matched lots. Each stone is accurately described and fairly priced.

Fire AgateTourmalineSapphireSpinelGarnetEmeraldChrome DiopsideAlexandriteKunziteZirconTopazTanzaniteAquamarineAmethystOpal
555 items
8.92ct Yellow Grossular Garnet, Cushion, 12.3x10.8 mm, from Africa · GEM-8685 8.92ct Yellow Grossular Garnet, Cushion, 12.3x10.8 mm, from Africa · GEM-8685Gem $45.00 1.48ct Heated Green Blue Zircon from Cambodia, Heart, 7x5.3 mm · GEM-8722 1.48ct Heated Green Blue Zircon from Cambodia, Heart, 7x5.3 mm · GEM-8722Gem $35.00 2.2ct Heated Greenish Blue Zircon from Cambodia, Octagon, VVS, 9.0 x 4.8 x 3.7 mm · GEM-8723 2.2ct Heated Greenish Blue Zircon from Cambodia, Octagon, VVS, 9.0 x 4.8 x 3.7 mm · GEM-8723Gem $110.00 2.31ct Pink Spinel from Burma, Cushion, 8.2x7 mm · GEM-8708 2.31ct Pink Spinel from Burma, Cushion, 8.2x7 mm · GEM-8708Gem $295.00 1.51ct Pinkish Purple Rhodolite Garnet Trapezoid from Tanzania 7.5x6.5x3.5 mm, Fancy, Unheated Untreated · GEM-8714 1.51ct Pinkish Purple Rhodolite Garnet Trapezoid from Tanzania 7.5x6.5x3.5 mm, Fancy, Unheated Untreated · GEM-8714Gem $15.00 1.43ct Green Emerald from Nigeria, Oval, 7.5x6 mm · GEM-8694 1.43ct Green Emerald from Nigeria, Oval, 7.5x6 mm · GEM-8694Gem $36.00 3.03ct Pink Spinel from Burma, Cushion, 8.8x7.5 mm, Si · GEM-8711 3.03ct Pink Spinel from Burma, Cushion, 8.8x7.5 mm, Si · GEM-8711Gem $170.00 3.71ctw Peridot Trillion Lot 6.6mm · GEM-9547 3.71ctw Peridot Trillion Lot 6.6mm · GEM-9547Gem $35.00 8.27ctw Peridot Oval Lot 7 x 5mm · GEM-9543 8.27ctw Peridot Oval Lot 7 x 5mm · GEM-9543Gem $85.00 1.19ct Unheated Blue Sapphire Oval from Australia, 6.5 x 5.4 x 3.7mm · GEM-8440 1.19ct Unheated Blue Sapphire Oval from Australia, 6.5 x 5.4 x 3.7mm · GEM-8440Gem $65.00 7.96ctw Blue Zircon Lot, 9 stones, 5x5 - 7x4.5 mm, from Cambodia · GEM-6900 7.96ctw Blue Zircon Lot, 9 stones, 5x5 - 7x4.5 mm, from Cambodia · GEM-6900Gem $80.00 5.19ctw Blue Zircon Lot, 9 stones, 4.5x4 - 6x4 mm, from Cambodia · GEM-6889 5.19ctw Blue Zircon Lot, 9 stones, 4.5x4 - 6x4 mm, from Cambodia · GEM-6889Gem $52.00 2.93ctw Heated Multi Color African Sapphire Lot · GEM-9539 2.93ctw Heated Multi Color African Sapphire Lot · GEM-9539Gem $58.00 2.64ctw Heated Blue Australian Sapphire Oval Lot 4.5 x 3.5mm · GEM-9538 2.64ctw Heated Blue Australian Sapphire Oval Lot 4.5 x 3.5mm · GEM-9538Gem $52.00 2.40ctw Heated Teal Australian Sapphire Oval Lot 5 x 3mm · GEM-9536 2.40ctw Heated Teal Australian Sapphire Oval Lot 5 x 3mm · GEM-9536Gem $48.00 5.25ct Ethiopian Black Opal · GEM-9522 5.25ct Ethiopian Black Opal · GEM-9522Gem $50.00 3.76ct Ethiopian Black Opal Cabachon No Treatment · GEM-9521 3.76ct Ethiopian Black Opal Cabachon No Treatment · GEM-9521Gem $40.00 9.36ct Ethiopian Opal Cab (Internal Crack Inclusion) · GEM-9520 9.36ct Ethiopian Opal Cab (Internal Crack Inclusion) · GEM-9520Gem $93.00 0.21ct Irradiated Blue Diamond Round 3.64mm · GEM-9519 0.21ct Irradiated Blue Diamond Round 3.64mm · GEM-9519Gem $40.00 1.59ct Pink Star Sapphire · GEM-9498 1.59ct Pink Star Sapphire · GEM-9498Gem $40.00 3.91ct Green Star Sapphire · GEM-9492 3.91ct Green Star Sapphire · GEM-9492Gem $78.00 1.76ct Green Star Sapphire · GEM-9491 1.76ct Green Star Sapphire · GEM-9491Gem $40.00 1.26ct Green Star Sapphire · GEM-9490 1.26ct Green Star Sapphire · GEM-9490Gem $25.00 2.94ct Green Star Sapphire · GEM-9489 2.94ct Green Star Sapphire · GEM-9489Gem $59.00

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