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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 DiopsideAlexandriteKunziteZirconTanzaniteOpal
345 items
2.2ctw Spinel Lot from Burma, 22 stones, 2.5 - 3.2 mm · GEM-5683 2.2ctw Spinel Lot from Burma, 22 stones, 2.5 - 3.2 mm · GEM-5683Gem $44.00 3.52ctw Spinel Lot from Burma, 5 stones, Emerald Cut, 5x4 - 7x5 mm · GEM-5682 3.52ctw Spinel Lot from Burma, 5 stones, Emerald Cut, 5x4 - 7x5 mm · GEM-5682Gem $70.00 2.03ctw Spinel Lot, 17 stones, 2.5 - 3.2 mm · GEM-5681 2.03ctw Spinel Lot, 17 stones, 2.5 - 3.2 mm · GEM-5681Gem $41.00 5.52ctw Spinel Lot from Burma, 30 stones, 2.5 - 4 mm · GEM-5679 5.52ctw Spinel Lot from Burma, 30 stones, 2.5 - 4 mm · GEM-5679Gem $110.00 3.64ctw Green Chrome Diopside Lot from Russia, 20 stones, Round, 3.5 mm · GEM-5678 3.64ctw Green Chrome Diopside Lot from Russia, 20 stones, Round, 3.5 mm · GEM-5678Gem $91.00 1.76ctw Spinel Lot, 25 stones, 2 - 3.5 mm · GEM-5677 1.76ctw Spinel Lot, 25 stones, 2 - 3.5 mm · GEM-5677Gem $35.00 3.02ctw Spinel Lot from Burma, 24 stones, 3 mm · GEM-5675 3.02ctw Spinel Lot from Burma, 24 stones, 3 mm · GEM-5675Gem $60.00 4.89ct Yellow Grossular Garnet, Cushion, 11x8.8 mm · GEM-5663 4.89ct Yellow Grossular Garnet, Cushion, 11x8.8 mm · GEM-5663Gem $122.00 1.13ct Strong Bluish Green Emerald Cut Tourmaline · GEM-5707 1.13ct Strong Bluish Green Emerald Cut Tourmaline · GEM-5707Gem $45.00 1.79ctw Spinel Lot from Burma, 23 stones, 2 - 3.5 mm · GEM-5697 1.79ctw Spinel Lot from Burma, 23 stones, 2 - 3.5 mm · GEM-5697Gem $36.00 2.27ctw Spinel Lot from Burma, 27 stones, 2 - 3 mm, Round · GEM-5693 2.27ctw Spinel Lot from Burma, 27 stones, 2 - 3 mm, Round · GEM-5693Gem $45.00 5.11ctw Spinel Lot from Burma, 44 stones, 2.5 - 3.2 mm · GEM-5695 5.11ctw Spinel Lot from Burma, 44 stones, 2.5 - 3.2 mm · GEM-5695Gem $102.00 2.57ctw Spinel Lot from Burma, 16 stones, 2.5 - 4 mm, Round · GEM-5698 2.57ctw Spinel Lot from Burma, 16 stones, 2.5 - 4 mm, Round · GEM-5698Gem $51.00 1.86ct Mint Green Tourmaline Emerald Cut · GEM-5718 1.86ct Mint Green Tourmaline Emerald Cut · GEM-5718Gem $28.00 1.30ct Light Pink Tourmaline Emerald Cut · GEM-5716 1.30ct Light Pink Tourmaline Emerald Cut · GEM-5716Gem $13.00 0.80ct Bluish Green Bicolor Tourmaline Elongated Emerald Cut · GEM-5712 0.80ct Bluish Green Bicolor Tourmaline Elongated Emerald Cut · GEM-5712Gem $20.00 1.02ct Strong Bluish Green Tourmaline Baguette · GEM-5706 1.02ct Strong Bluish Green Tourmaline Baguette · GEM-5706Gem $41.00 1.15ct Pink Tourmaline Baguette · GEM-5704 1.15ct Pink Tourmaline Baguette · GEM-5704Gem $17.00 0.3ct Unheated Color Change Garnet, Oval, 4.4x4 mm, African Origin · GEM-5674 0.3ct Unheated Color Change Garnet, Oval, 4.4x4 mm, African Origin · GEM-5674Gem $30.00 0.19ct Unheated Color Change Garnet, Oval, 4x3 mm, VS, Africa · GEM-5659 0.19ct Unheated Color Change Garnet, Oval, 4x3 mm, VS, Africa · GEM-5659Gem $48.00 0.09ct Green Alexandrite, Round, 3 mm · GEM-5656 0.09ct Green Alexandrite, Round, 3 mm · GEM-5656Gem $27.00 3.13ctw Bluish Green Tourmaline Octagon Pair · GEM-5158 3.13ctw Bluish Green Tourmaline Octagon Pair · GEM-5158Gem $94.00 AIG Certified 2.02ct Emerald Cut Color Change Spinel from Tanzania, No Treatment, 7.00 x 6.67 x 4.67mm, Unheated · GEM-5592 AIG Certified 2.02ct Emerald Cut Color Change Spinel from Tanzania, No Treatment, 7.00 x 6.67 x 4.67mm, Unheated · GEM-5592Gem $1,545.00 1.43ct Sapphire Oval from Madagascar, Heat Treated, 8.02 x 5.72 x 3.73mm, Heated · GEM-5564 1.43ct Sapphire Oval from Madagascar, Heat Treated, 8.02 x 5.72 x 3.73mm, Heated · GEM-5564Gem $125.00

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