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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
ALCHEMY
 
 7.39ct Yellow Grossular Garnet, Cushion, 11.3x11 mm, from Africa · GEM-8832Gem $37.00 4.3ct Unheated Greenish Blue Tourmaline, Octagon, 21.5x5.3 mm, from Africa · GEM-8824 4.3ct Unheated Greenish Blue Tourmaline, Octagon, 21.5x5.3 mm, from Africa · GEM-8824Gem $43.00 2.64ctw Green African Diopside Lot, 8 stones, Pear, 5x4 mm · GEM-8836 2.64ctw Green African Diopside Lot, 8 stones, Pear, 5x4 mm · GEM-8836Gem $26.00 3.89ct Bluish Green Paraiba Tourmaline, Oval, GFCO Certified, 10.31 x 8.12 x 7.02 mm, from Mozambique · GEM-8837 3.89ct Bluish Green Paraiba Tourmaline, Oval, GFCO Certified, 10.31 x 8.12 x 7.02 mm, from Mozambique · GEM-8837Gem $3,890.00 1.4ct Orange Hessonite Garnet from Tanzania, Round, 6.5 mm, VS · GEM-8840 1.4ct Orange Hessonite Garnet from Tanzania, Round, 6.5 mm, VS · GEM-8840Gem $28.00 3.42ct Blue Topaz from Brazil, Cushion, 8.8x8.8 mm, VVS · GEM-8811 3.42ct Blue Topaz from Brazil, Cushion, 8.8x8.8 mm, VVS · GEM-8811Gem $34.00 3.35ct London Blue Topaz from Brazil, Cushion, 9x9 mm · GEM-8816 3.35ct London Blue Topaz from Brazil, Cushion, 9x9 mm · GEM-8816Gem $33.00 4.58ct Blue Topaz from Brazil, Round, 10 mm, VVS · GEM-8809 4.58ct Blue Topaz from Brazil, Round, 10 mm, VVS · GEM-8809Gem $48.00 3.91ct London Blue Topaz from Brazil, Cushion, 9x9 mm, VS · GEM-8815 3.91ct London Blue Topaz from Brazil, Cushion, 9x9 mm, VS · GEM-8815Gem $40.00 1.06ct Yellowish Green to Brownish-Pink Alexandrite, Oval, VVS, GIA cert, 6.04 x 5.27 x 4.08 mm · GEM-8798 1.06ct Yellowish Green to Brownish-Pink Alexandrite, Oval, VVS, GIA cert, 6.04 x 5.27 x 4.08 mm · GEM-8798Gem $3,750.00 1.03ct Unheated Teal Sapphire Trapezoid from Australia, 6.5 X 5.1 X 3.2 mm · GEM-8763 1.03ct Unheated Teal Sapphire Trapezoid from Australia, 6.5 X 5.1 X 3.2 mm · GEM-8763Gem $77.00 1.76ct Unheated Teal Sapphire from Australia, Superman Cut, 9.5 X 5.9 X 4.5 mm, Fancy · GEM-8791 1.76ct Unheated Teal Sapphire from Australia, Superman Cut, 9.5 X 5.9 X 4.5 mm, Fancy · GEM-8791Gem $102.00 5.01ct Purple Spinel Oval from Burma, 10.8 X 9 X 6.5 mm · GEM-8756 5.01ct Purple Spinel Oval from Burma, 10.8 X 9 X 6.5 mm · GEM-8756Gem $430.00 0.84ct Yellowish Green Russian Sphene Pear, 7.5 X 5.7 X 3 mm · GEM-8788 0.84ct Yellowish Green Russian Sphene Pear, 7.5 X 5.7 X 3 mm · GEM-8788Gem $15.00 1.88ct Green Tsavorite Garnet Oval from Tanzania, 8.8 X 7.3 X 3.8 mm · GEM-8794 1.88ct Green Tsavorite Garnet Oval from Tanzania, 8.8 X 7.3 X 3.8 mm · GEM-8794Gem $47.00 2.94ct Neon Blue Apatite Octagon from Brazil, 9 X 7 X 4.4 mm · GEM-8757 2.94ct Neon Blue Apatite Octagon from Brazil, 9 X 7 X 4.4 mm · GEM-8757Gem $59.00 2.32ct Yellow Russian Sphene Octagon, 9.3 X 6 X 4.2 mm · GEM-8793 2.32ct Yellow Russian Sphene Octagon, 9.3 X 6 X 4.2 mm · GEM-8793Gem $35.00 1.28ct Heated Blue Green Sapphire Oval from Australia, 7.1 X 5.5 X 3.7 mm · GEM-8769 1.28ct Heated Blue Green Sapphire Oval from Australia, 7.1 X 5.5 X 3.7 mm · GEM-8769Gem $209.00 4.11ct Ametrine, Octagon, 12.7x9.7x4.3 mm, from Bolivia · GEM-8779 4.11ct Ametrine, Octagon, 12.7x9.7x4.3 mm, from Bolivia · GEM-8779Gem $27.00 2.99ct Orangish Red Zircon Oval from Tanzania 8 X 6.6 X 5.5 mm · GEM-8771 2.99ct Orangish Red Zircon Oval from Tanzania 8 X 6.6 X 5.5 mm · GEM-8771Gem $75.00 1.55ct Aquamarine Oval · GEM-10252 1.55ct Aquamarine Oval · GEM-10252Gem $23.00 1.78ct Aquamarine Oval · GEM-10249 1.78ct Aquamarine Oval · GEM-10249Gem $26.00 1.22ct Aquamarine Oval · GEM-10248 1.22ct Aquamarine Oval · GEM-10248Gem $28.00 1.34ct Aquamarine Oval · GEM-10247 1.34ct Aquamarine Oval · GEM-10247Gem $20.00

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