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Au $2,387.40 ▲
Ag $31.85 ▲
Pt $1,012.20 ▼
Pd $978.50 ▲
Rh
Ir
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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
2.69ct Purplish Red Rhodolite Garnet from Africa, Oval, 8.2x6.5 mm · GEM-9338 2.69ct Purplish Red Rhodolite Garnet from Africa, Oval, 8.2x6.5 mm · GEM-9338Gem $27.00 1.81ct Violet Iolite from Tanzania, Octagon, 10x5.5 mm, VS · GEM-9328 1.81ct Violet Iolite from Tanzania, Octagon, 10x5.5 mm, VS · GEM-9328Gem $27.00 0.82ct Unheated Color Change Brown-Pink Garnet, Oval, 6.3x4.3 mm, from Madagascar · GEM-8817 0.82ct Unheated Color Change Brown-Pink Garnet, Oval, 6.3x4.3 mm, from Madagascar · GEM-8817Gem $82.00 3.48ctw Heated Teal Australia Sapphire Lot, 8 stones · GEM-8834 3.48ctw Heated Teal Australia Sapphire Lot, 8 stones · GEM-8834Gem $70.00 9.44ct Unheated Ametrine, 14.7x12.5x7.2 mm, Fancy, from Bolivia · GEM-8820 9.44ct Unheated Ametrine, 14.7x12.5x7.2 mm, Fancy, from Bolivia · GEM-8820Gem $94.00 0.68ct Heated Blue Sapphire from Madagascar, Oval, 6x4.3 mm · GEM-8818 0.68ct Heated Blue Sapphire from Madagascar, Oval, 6x4.3 mm · GEM-8818Gem $17.00 1.39ct Orange Hessonite Garnet from Tanzania, Oval, 7.5x6 mm · GEM-8841 1.39ct Orange Hessonite Garnet from Tanzania, Oval, 7.5x6 mm · GEM-8841Gem $28.00 11.17ct Yellow Grossular Garnet, Octagon, 13.3 x 11.2 x 8.7 mm · GEM-8807 11.17ct Yellow Grossular Garnet, Octagon, 13.3 x 11.2 x 8.7 mm · GEM-8807Gem $56.00 6.09ct Yellow Grossular Garnet, Oval, 10.5x9.7 mm, from Africa · GEM-8829 6.09ct Yellow Grossular Garnet, Oval, 10.5x9.7 mm, from Africa · GEM-8829Gem $30.00 11.18ct Unheated Green Tourmaline from Nigeria, Scissor Cut, VVS 22.2 x 8.8 x 5.8 mm · GEM-8808 11.18ct Unheated Green Tourmaline from Nigeria, Scissor Cut, VVS 22.2 x 8.8 x 5.8 mm · GEM-8808Gem $224.00 1.13ct Heated Green Sapphire from Australia, Octagon, 6.7x4 mm · GEM-8823 1.13ct Heated Green Sapphire from Australia, Octagon, 6.7x4 mm · GEM-8823Gem $85.00 2.62ctw Green African Diopside Lot, 8 stones, Pear 5x4mm · GEM-8826 2.62ctw Green African Diopside Lot, 8 stones, Pear 5x4mm · GEM-8826Gem $26.00 2.17ct Orange Hessonite Garnet from Tanzania, Cushion, 8x6.5 mm · GEM-8842 2.17ct Orange Hessonite Garnet from Tanzania, Cushion, 8x6.5 mm · GEM-8842Gem $43.00 9.95ct Yellow Grossular Garnet, Octagon, 15.9x9.1 mm, from Africa · GEM-8850 9.95ct Yellow Grossular Garnet, Octagon, 15.9x9.1 mm, from Africa · GEM-8850Gem $50.00 1.46ct Orange Hessonite Garnet from Tanzania, Cushion, 7x5.5 mm · GEM-8844 1.46ct Orange Hessonite Garnet from Tanzania, Cushion, 7x5.5 mm · GEM-8844Gem $29.00 6.89ct Yellow Grossular Garnet, Octagon, 11x9.5 mm, from Africa · GEM-8851 6.89ct Yellow Grossular Garnet, Octagon, 11x9.5 mm, from Africa · GEM-8851Gem $34.00 4.54ct Purple Spinel Cushion from Burma, Cushion, 10.7x9.5 mm, VVS · GEM-8805 4.54ct Purple Spinel Cushion from Burma, Cushion, 10.7x9.5 mm, VVS · GEM-8805Gem $2,270.00 1.3ct Unheated Greenish Blue Sapphire from Thailand, Pear, VS, 7.5 x 5.7 x 3.8 mm · GEM-8822 1.3ct Unheated Greenish Blue Sapphire from Thailand, Pear, VS, 7.5 x 5.7 x 3.8 mm · GEM-8822Gem $39.00 2.62ct Orange Hessonite Garnet from Tanzania, Oval, 8.5x7 mm · GEM-8843 2.62ct Orange Hessonite Garnet from Tanzania, Oval, 8.5x7 mm · GEM-8843Gem $52.00 2.68ct London Blue Topaz from Brazil, Cushion, 8.7x8.7 mm, VVS · GEM-8813 2.68ct London Blue Topaz from Brazil, Cushion, 8.7x8.7 mm, VVS · GEM-8813Gem $29.00 1.57ct Orange Hessonite Garnet from Tanzania, Oval, 7.8x7 mm · GEM-8839 1.57ct Orange Hessonite Garnet from Tanzania, Oval, 7.8x7 mm · GEM-8839Gem $31.00 3.7ct UV Grossular Garnet, Oval, 11.2x8 mm, from Africa · GEM-8830 3.7ct UV Grossular Garnet, Oval, 11.2x8 mm, from Africa · GEM-8830Gem $37.00 1.54ct Unheated Pink Zircon from Tanzania, Octagon, VS, 7.2 x 4.5 x 3.4 mm · GEM-8801 1.54ct Unheated Pink Zircon from Tanzania, Octagon, VS, 7.2 x 4.5 x 3.4 mm · GEM-8801Gem $23.00 3.97ct Unheated Green Tourmaline, Octagon, 14.8x6.5 mm, VVS, from Africa · GEM-8848 3.97ct Unheated Green Tourmaline, Octagon, 14.8x6.5 mm, VVS, from Africa · GEM-8848Gem $40.00

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