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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 DiopsideAlexandriteZirconTopazTanzaniteAquamarineAmethystOpal
503 items
7.09ct Yellow Grossular Garnet, Cushion, 11.7x10.3 mm · GEM-5731 7.09ct Yellow Grossular Garnet, Cushion, 11.7x10.3 mm · GEM-5731Gem $40.00 8.11ctw Spinel Lot from Burma, 18 stones, 4.3 - 6 mm · GEM-5798 8.11ctw Spinel Lot from Burma, 18 stones, 4.3 - 6 mm · GEM-5798Gem $162.00 4.99ctw Spinel Lot from Burma, 32 stones, 2 - 4.5 mm · GEM-5773 4.99ctw Spinel Lot from Burma, 32 stones, 2 - 4.5 mm · GEM-5773Gem $100.00 5.05ctw Spinel Lot from Burma, 35 stones, 3.2 - 3.8 mm · GEM-5803 5.05ctw Spinel Lot from Burma, 35 stones, 3.2 - 3.8 mm · GEM-5803Gem $101.00 1.97ctw Spinel Lot from Burma, 34 stones, 1.5 - 4.5 mm · GEM-5805 1.97ctw Spinel Lot from Burma, 34 stones, 1.5 - 4.5 mm · GEM-5805Gem $39.00 4.06ctw Spinel Lot from Burma, 16 stones, 3.7 - 4.3 mm · GEM-5796 4.06ctw Spinel Lot from Burma, 16 stones, 3.7 - 4.3 mm · GEM-5796Gem $81.00 3.7ctw Spinel Lot from Burma, 32 stones, 3 - 4.5 mm · GEM-5784 3.7ctw Spinel Lot from Burma, 32 stones, 3 - 4.5 mm · GEM-5784Gem $74.00 3.44ctw Spinel Lot from Burma, 83 stones, 1.5 - 4.3 mm · GEM-5791 3.44ctw Spinel Lot from Burma, 83 stones, 1.5 - 4.3 mm · GEM-5791Gem $69.00 5.04ctw Spinel Lot, 23 stones, 3.5x3.5 - 5.5x5 mm · GEM-5771 5.04ctw Spinel Lot, 23 stones, 3.5x3.5 - 5.5x5 mm · GEM-5771Gem $101.00 2.39ct Pink Rhodolite Garnet Oval, 7.9x7.2x4.5mm · GEM-5800 2.39ct Pink Rhodolite Garnet Oval, 7.9x7.2x4.5mm · GEM-5800Gem $48.00 0.27ct Green Alexandrite, Oval, 5.5x3.5 mm · GEM-5758 0.27ct Green Alexandrite, Oval, 5.5x3.5 mm · GEM-5758Gem $70.00 2.44ctw Red Spinel Lot from Burma, 2 stones, Cushion, VS, 6.5 x 5.5 & 6.5 x 5.8 mm · GEM-5769 2.44ctw Red Spinel Lot from Burma, 2 stones, Cushion, VS, 6.5 x 5.5 & 6.5 x 5.8 mm · GEM-5769Gem $244.00 2.44ctw Red Spinel Lot from Burma, 2 stones, Cushion, VS, 6.5 x 5.5 & 6.5 x 5.5 mm · GEM-5764 2.44ctw Red Spinel Lot from Burma, 2 stones, Cushion, VS, 6.5 x 5.5 & 6.5 x 5.5 mm · GEM-5764Gem $244.00 1.69ctw Red Spinel Lot from Burma, 2 stones, Cushion, VS, 6.0 x 5.3 & 6.0 x 5.8 mm · GEM-5743 1.69ctw Red Spinel Lot from Burma, 2 stones, Cushion, VS, 6.0 x 5.3 & 6.0 x 5.8 mm · GEM-5743Gem $169.00 1.39ctw Red Spinel Lot from Burma, 2 stones, Cushion, VVS, 5.7 x 4.7 & 5.8 x 4.8 mm · GEM-5765 1.39ctw Red Spinel Lot from Burma, 2 stones, Cushion, VVS, 5.7 x 4.7 & 5.8 x 4.8 mm · GEM-5765Gem $139.00 2.34ctw Red Spinel Lot from Burma, 2 stones, Cushion, VS, 6.8 x 5.0 & 7.0 x 5.5 mm · GEM-5742 2.34ctw Red Spinel Lot from Burma, 2 stones, Cushion, VS, 6.8 x 5.0 & 7.0 x 5.5 mm · GEM-5742Gem $234.00 2.2ctw Red Spinel Lot from Burma, 2 stones, Cushion, VS, 6.8 x 5.2 & 7.0 x 5.5 mm · GEM-5730 2.2ctw Red Spinel Lot from Burma, 2 stones, Cushion, VS, 6.8 x 5.2 & 7.0 x 5.5 mm · GEM-5730Gem $220.00 2.37ctw Red Spinel Lot from Burma, 2 stones, Cushion, VS, 7.0 x 5.5 & 7.2 x 5.5 mm · GEM-5738 2.37ctw Red Spinel Lot from Burma, 2 stones, Cushion, VS, 7.0 x 5.5 & 7.2 x 5.5 mm · GEM-5738Gem $237.00 1.95ctw Red Spinel Lot from Burma, 2 stones, Cushion, VS, 7.0 x 4.8 & 7.0 x 5.0 mm · GEM-5766 1.95ctw Red Spinel Lot from Burma, 2 stones, Cushion, VS, 7.0 x 4.8 & 7.0 x 5.0 mm · GEM-5766Gem $295.00 3.02ctw Heated Teal Australian Sapphire Baguettes, 3.5 x 2mm, 23 Stones · GEM-6058 3.02ctw Heated Teal Australian Sapphire Baguettes, 3.5 x 2mm, 23 Stones · GEM-6058Gem $60.00 2.65ctw Heated Teal Australian Sapphire Baguettes, 5x2.5mm, 10 Stones · GEM-6057 2.65ctw Heated Teal Australian Sapphire Baguettes, 5x2.5mm, 10 Stones · GEM-6057Gem $130.00 1.22ct Teal Heated Sapphire (Small Chip), Round · GEM-0047 1.22ct Teal Heated Sapphire (Small Chip), Round · GEM-0047Gem $49.00 1.22ct No Heat Purple-Green Color Change Sapphire, Unheated · GEM-0028 1.22ct No Heat Purple-Green Color Change Sapphire, Unheated · GEM-0028Gem $195.00 1.01ct Heated Madagascar Teal Sapphire, 5.5 x 5.4 x 3.2mm · GEM-5993 1.01ct Heated Madagascar Teal Sapphire, 5.5 x 5.4 x 3.2mm · GEM-5993Gem $75.00

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