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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
3.35ct Unheated Bluish Green Grandidierite, Pear, 9.8x9.8 mm, from Madagascar, Africa · GEM-9217 3.35ct Unheated Bluish Green Grandidierite, Pear, 9.8x9.8 mm, from Madagascar, Africa · GEM-9217Gem $34.00 2.14ctw Yellowish Green Sphene Lot, 4 stones, Round 4.8 to 5.0 mm, from Russia · GEM-8920 2.14ctw Yellowish Green Sphene Lot, 4 stones, Round 4.8 to 5.0 mm, from Russia · GEM-8920Gem $32.00 0.78ct Greenish Yellow Mali Garnet, Oval, 6x4.7 mm, VVS, from Republic of Mali · GEM-8953 0.78ct Greenish Yellow Mali Garnet, Oval, 6x4.7 mm, VVS, from Republic of Mali · GEM-8953Gem $16.00 1.78ct Heated Blue Zircon from Cambodia, Round, 6.5 mm · GEM-8925 1.78ct Heated Blue Zircon from Cambodia, Round, 6.5 mm · GEM-8925Gem $45.00 2.46ct Purplish Pink Rhodolite Garnet Trapezoid from Tanzania, 9.8x6.8 mm · GEM-8954 2.46ct Purplish Pink Rhodolite Garnet Trapezoid from Tanzania, 9.8x6.8 mm · GEM-8954Gem $25.00 1.35ct Lavender Spinel from Burma, Cushion, 6.8x6 mm · GEM-8952 1.35ct Lavender Spinel from Burma, Cushion, 6.8x6 mm · GEM-8952Gem $27.00 1.56ct Unheated Orange Zircon from Cambodia, Oval, 7x5.5 mm, VS · GEM-8937 1.56ct Unheated Orange Zircon from Cambodia, Oval, 7x5.5 mm, VS · GEM-8937Gem $16.00 1.01ct Heated Blue Zircon from Cambodia, Pear, 6.2x4.7 mm, VS · GEM-8935 1.01ct Heated Blue Zircon from Cambodia, Pear, 6.2x4.7 mm, VS · GEM-8935Gem $25.00 7.28ct Unheated Ametrine, 12.0x10.2x7.0 mm, Fancy, from Bolivia · GEM-8950 7.28ct Unheated Ametrine, 12.0x10.2x7.0 mm, Fancy, from Bolivia · GEM-8950Gem $36.00 2.77ct Unheated Green Tourmaline, Octagon, 7.7x7.2 mm, from Africa · GEM-8927 2.77ct Unheated Green Tourmaline, Octagon, 7.7x7.2 mm, from Africa · GEM-8927Gem $28.00 1.64ct Pink Rhodolite African Garnet Oval 7.2 x 6.2 x 4.5 mm · GEM-8460 1.64ct Pink Rhodolite African Garnet Oval 7.2 x 6.2 x 4.5 mm · GEM-8460Gem $15.00 1.40ct Purplish Pink Spinel Octagon 6.8 x 5.9 x 4 mm · GEM-8458 1.40ct Purplish Pink Spinel Octagon 6.8 x 5.9 x 4 mm · GEM-8458Gem $165.00 1.14ct Grey Blue Spinel Octagon 6.1 x 5.4 x 3.7 mm, Unheated · GEM-8461 1.14ct Grey Blue Spinel Octagon 6.1 x 5.4 x 3.7 mm, Unheated · GEM-8461Gem $80.00 1.08ct Purplish Pink Spinel Octagon, 7.5 x 5.2 x 2.9 mm · GEM-8459 1.08ct Purplish Pink Spinel Octagon, 7.5 x 5.2 x 2.9 mm · GEM-8459Gem $150.00 3.35ctw Heated Multi Color Sapphire Lot, 11 stones, 4.0 x 3.3 to 4.7 x 3.7 m mm, from Africa · GEM-8660 3.35ctw Heated Multi Color Sapphire Lot, 11 stones, 4.0 x 3.3 to 4.7 x 3.7 m mm, from Africa · GEM-8660Gem $251.00 1.19ct Heated Blue Zircon from Cambodia, Pear, 7x4.5 mm · GEM-8664 1.19ct Heated Blue Zircon from Cambodia, Pear, 7x4.5 mm · GEM-8664Gem $30.00 1.22ct Orange Hessonite Garnet from Tanzania, Cushion, 6x6 mm · GEM-8651 1.22ct Orange Hessonite Garnet from Tanzania, Cushion, 6x6 mm · GEM-8651Gem $25.00 1.1ct Unheated Orange Zircon from Cambodia, Oval, 6x5 mm, VVS · GEM-8652 1.1ct Unheated Orange Zircon from Cambodia, Oval, 6x5 mm, VVS · GEM-8652Gem $30.00 1.85ct Orange Hessonite Garnet from Tanzania, Oval, 8.2x6 mm · GEM-8670 1.85ct Orange Hessonite Garnet from Tanzania, Oval, 8.2x6 mm · GEM-8670Gem $35.00 2.25ct Orange Hessonite Garnet from Tanzania, Oval, 8.5x6.7 mm · GEM-8645 2.25ct Orange Hessonite Garnet from Tanzania, Oval, 8.5x6.7 mm · GEM-8645Gem $45.00 0.94ct Unheated Orange-Pink Color Change Garnet from Tanzania, Pear, 6.7x4.7 mm · GEM-8638 0.94ct Unheated Orange-Pink Color Change Garnet from Tanzania, Pear, 6.7x4.7 mm · GEM-8638Gem $180.00 0.17ct Green Alexandrite, Round, 3 mm, from India · GEM-8675 0.17ct Green Alexandrite, Round, 3 mm, from India · GEM-8675Gem $40.00 2.18ct Heated Green Sapphire from Madagascar, Oval, 8.2x7 mm · GEM-8666 2.18ct Heated Green Sapphire from Madagascar, Oval, 8.2x7 mm · GEM-8666Gem $75.00 2.76ct Purplish-Pink Spinel from Burma, Cushion, 8.7x7.7 mm, VS · GEM-8721 2.76ct Purplish-Pink Spinel from Burma, Cushion, 8.7x7.7 mm, VS · GEM-8721Gem $550.00

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