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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 DiopsideAlexandriteKunziteZirconMoonstoneTanzaniteOpal
336 items
8.93ct Pink Kunzite Pear from Afghanistan, No treatment · GEM-5125 8.93ct Pink Kunzite Pear from Afghanistan, No treatment · GEM-5125Gem $67.00 21.22ct Orange Spessartite Garnet from Nigeria, Rough, 18x14.2 mm · GEM-5351 21.22ct Orange Spessartite Garnet from Nigeria, Rough, 18x14.2 mm · GEM-5351Gem $42.00 4.34ct Pink Spinel from Tanzania, Rough, 10.5x6.5 mm · GEM-5373 4.34ct Pink Spinel from Tanzania, Rough, 10.5x6.5 mm · GEM-5373Gem $109.00 2.23ct Unheated Blue Green Sapphire, Rough, 8.7x7 mm · GEM-5349 2.23ct Unheated Blue Green Sapphire, Rough, 8.7x7 mm · GEM-5349Gem $22.00 0.5ct Unheated Color Change Garnet, Pear, 6x4.2 mm · GEM-5374 0.5ct Unheated Color Change Garnet, Pear, 6x4.2 mm · GEM-5374Gem $50.00 0.29ct Green Alexandrite, Oval, 4.8x3.5 mm · GEM-5365 0.29ct Green Alexandrite, Oval, 4.8x3.5 mm · GEM-5365Gem $44.00 0.38ct Green Alexandrite, Oval, 4.8x4 mm · GEM-5354 0.38ct Green Alexandrite, Oval, 4.8x4 mm · GEM-5354Gem $38.00 0.31ct Green Alexandrite, Oval, 5.7x3.5 mm · GEM-5368 0.31ct Green Alexandrite, Oval, 5.7x3.5 mm · GEM-5368Gem $93.00 0.52ct Green Alexandrite, Oval, 6.5x3.3 mm · GEM-5352 0.52ct Green Alexandrite, Oval, 6.5x3.3 mm · GEM-5352Gem $156.00 0.34ct Green Alexandrite Oval, 4.5x3.5 mm · GEM-5350 0.34ct Green Alexandrite Oval, 4.5x3.5 mm · GEM-5350Gem $102.00 3.09ctw Unheated Sapphire Lot from Tanzania, 22 stones, Round · GEM-5357 3.09ctw Unheated Sapphire Lot from Tanzania, 22 stones, Round · GEM-5357Gem $77.00 4.95ct Grossular Garnet Cushion, 10x9 mm · GEM-5356 4.95ct Grossular Garnet Cushion, 10x9 mm · GEM-5356Gem $74.00 1.03ct Purple Mahenge Spinel, Pear, 7.5x5 mm, VS · GEM-5359 1.03ct Purple Mahenge Spinel, Pear, 7.5x5 mm, VS · GEM-5359Gem $103.00 1.12ct Unheated Bluish Green Tourmaline, Octagon, VS · GEM-5379 1.12ct Unheated Bluish Green Tourmaline, Octagon, VS · GEM-5379Gem $22.00 1.02ct Fancy Cut Heated Pink Madagascar Sapphire , VS, GFCO cert · GEM-5353 1.02ct Fancy Cut Heated Pink Madagascar Sapphire , VS, GFCO cert · GEM-5353Gem $230.00 Round 3.5 mm. Russian Chrome Diopside 20Pcs/3.87Ct · GEM-5575 Round 3.5 mm. Russian Chrome Diopside 20Pcs/3.87Ct · GEM-5575Gem $58.00 Round 3.5 mm. Russian Chrome Diopside 20Pcs/3.75Ct · GEM-5571 Round 3.5 mm. Russian Chrome Diopside 20Pcs/3.75Ct · GEM-5571Gem $56.00 Round 3.5 mm. Russian Chrome Diopside 20Pcs/3.80Ct · GEM-5570 Round 3.5 mm. Russian Chrome Diopside 20Pcs/3.80Ct · GEM-5570Gem $57.00 Round 3.5 mm. Russian Chrome Diopside 20Pcs/3.75Ct · GEM-5569 Round 3.5 mm. Russian Chrome Diopside 20Pcs/3.75Ct · GEM-5569Gem $56.00 Round 3.5 mm. Russian Chrome Diopside 20Pcs/3.80Ct · GEM-5573 Round 3.5 mm. Russian Chrome Diopside 20Pcs/3.80Ct · GEM-5573Gem $57.00 Round 3.5 mm. Russian Chrome Diopside 20Pcs/3.73Ct · GEM-5568 Round 3.5 mm. Russian Chrome Diopside 20Pcs/3.73Ct · GEM-5568Gem $56.00 1.76Ct. Russian Chrome Diopside &CLEAN · GEM-5576 1.76Ct. Russian Chrome Diopside &CLEAN · GEM-5576Gem $53.00 Round 3.5 mm. Russian Chrome Diopside 20Pcs/3.73Ct · GEM-5567 Round 3.5 mm. Russian Chrome Diopside 20Pcs/3.73Ct · GEM-5567Gem $56.00 Oval 7x5 mm. Russian Chrome Diopside 3Pcs/2.24Ct · GEM-5565 Oval 7x5 mm. Russian Chrome Diopside 3Pcs/2.24Ct · GEM-5565Gem $34.00

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