☎ 425-270-7435Insured delivery on every order
Au $2,387.40 ▲
Ag $31.85 ▲
Pt $1,012.20 ▼
Pd $978.50 ▲
Rh
Ir
Alchemy Trading Co.
Markets Search Sell to Us Cart 0
Home  /  Gemstones & Diamonds
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
1.68ct Heated Greenish Blue Zircon from Cambodia, Pear, 7.5 x 5.8 x 4.0 mm · GEM-9191 1.68ct Heated Greenish Blue Zircon from Cambodia, Pear, 7.5 x 5.8 x 4.0 mm · GEM-9191Gem $42.00 5.53ct Unheated Ametrine, 12.8x11.0x6.5 mm, Fancy, from Bolivia · GEM-9173 5.53ct Unheated Ametrine, 12.8x11.0x6.5 mm, Fancy, from Bolivia · GEM-9173Gem $28.00 3.15ct London Blue Topaz from Brazil, Cushion, 9x9 mm, VS · GEM-9212 3.15ct London Blue Topaz from Brazil, Cushion, 9x9 mm, VS · GEM-9212Gem $36.00 6.79ctw Purple & Green Tourmaline Lot from Africa, 2 stones, Octagon, VVS · GEM-9184 6.79ctw Purple & Green Tourmaline Lot from Africa, 2 stones, Octagon, VVS · GEM-9184Gem $68.00 6.5ctw Green & Blue Tourmaline Lot from Africa, 2 stones, Octagon · GEM-9208 6.5ctw Green & Blue Tourmaline Lot from Africa, 2 stones, Octagon · GEM-9208Gem $65.00 1.63ct Unheated Bicolor Brown/Green Tourmaline from Africa, Baguette, 21.7x3 mm, VVS · GEM-9200 1.63ct Unheated Bicolor Brown/Green Tourmaline from Africa, Baguette, 21.7x3 mm, VVS · GEM-9200Gem $16.00 1.88ct Orange Hessonite Garnet from Tanzania, Round, 7.2 mm · GEM-9177 1.88ct Orange Hessonite Garnet from Tanzania, Round, 7.2 mm · GEM-9177Gem $19.00 3.37ctw Yellowish Green Sphene Lot, 6 stones, Round 4.8 to 5.0 mm, from Russia · GEM-9342 3.37ctw Yellowish Green Sphene Lot, 6 stones, Round 4.8 to 5.0 mm, from Russia · GEM-9342Gem $51.00 1.24ct Heated Greenish Blue Zircon from Cambodia, Oval, VS, 6.5 x 4.8 x 3.8 mm · GEM-9331 1.24ct Heated Greenish Blue Zircon from Cambodia, Oval, VS, 6.5 x 4.8 x 3.8 mm · GEM-9331Gem $31.00 1.46ct Heated Greenish Blue Zircon from Cambodia, Pear, VS, 7.0 x 5.5 x 3.7 mm · GEM-9316 1.46ct Heated Greenish Blue Zircon from Cambodia, Pear, VS, 7.0 x 5.5 x 3.7 mm · GEM-9316Gem $37.00 8.15ct Orange Grossular Garnet from Africa, Octagon, 14.2x8 mm · GEM-9321 8.15ct Orange Grossular Garnet from Africa, Octagon, 14.2x8 mm · GEM-9321Gem $41.00 1.01ct Heated Bluish Green Zircon from Cambodia, Octagon, VS, 5.3 x 4.0 x 3.5 mm · GEM-9333 1.01ct Heated Bluish Green Zircon from Cambodia, Octagon, VS, 5.3 x 4.0 x 3.5 mm · GEM-9333Gem $25.00 1.05ct Purple Spinel from Tanzania, Cushion, 6.5x5.5 mm, VS · GEM-9318 1.05ct Purple Spinel from Tanzania, Cushion, 6.5x5.5 mm, VS · GEM-9318Gem $32.00 1.94ct Unheated Bluish Green Tourmaline from Nigeria, Octagon, 9.2x5.5 mm, VS · GEM-9341 1.94ct Unheated Bluish Green Tourmaline from Nigeria, Octagon, 9.2x5.5 mm, VS · GEM-9341Gem $19.00 1.91ct Heated Blue Zircon from Cambodia, Trillion, 7.3x6.3 mm, VS · GEM-9353 1.91ct Heated Blue Zircon from Cambodia, Trillion, 7.3x6.3 mm, VS · GEM-9353Gem $48.00 1.8ct Pinkish Purple Rhodolite Garnet from Tanzania, Marquise, 7.5 x 6.5 x 3.5 mm, Unheated Untreated · GEM-9346 1.8ct Pinkish Purple Rhodolite Garnet from Tanzania, Marquise, 7.5 x 6.5 x 3.5 mm, Unheated Untreated · GEM-9346Gem $18.00 2.98ct Purplish Pink Rhodolite Garnet from Tanzania, Octagon, 7.8 x 7.7 x 5.0 mm · GEM-9326 2.98ct Purplish Pink Rhodolite Garnet from Tanzania, Octagon, 7.8 x 7.7 x 5.0 mm · GEM-9326Gem $30.00 2.59ct Unheated Green Tourmaline from Nigeria, Octagon, 7.5x6.5 mm, VVS · GEM-9336 2.59ct Unheated Green Tourmaline from Nigeria, Octagon, 7.5x6.5 mm, VVS · GEM-9336Gem $26.00 4.65ctw Green Diopside Lot from Africa, 6 stones, Pear, 7x5 mm · GEM-9359 4.65ctw Green Diopside Lot from Africa, 6 stones, Pear, 7x5 mm · GEM-9359Gem $70.00 1.25ct Heated Greenish Blue Zircon from Cambodia, Oval, VS 6.8 x 5.2 x 3.5 mm · GEM-9357 1.25ct Heated Greenish Blue Zircon from Cambodia, Oval, VS 6.8 x 5.2 x 3.5 mm · GEM-9357Gem $31.00 1ct Pinkish Purple Spinel from Burma, Cushion, 6x5 mm, VS · GEM-9325 1ct Pinkish Purple Spinel from Burma, Cushion, 6x5 mm, VS · GEM-9325Gem $35.00 1.2ct Unheated Green Tourmaline from Africa, Baguette, 16x3.3 mm, VVS · GEM-9355 1.2ct Unheated Green Tourmaline from Africa, Baguette, 16x3.3 mm, VVS · GEM-9355Gem $12.00 0.68ct Unheated Color Change Color Change Garnet from Africa, Oval, 5.5x4.5 mm · GEM-9354 0.68ct Unheated Color Change Color Change Garnet from Africa, Oval, 5.5x4.5 mm · GEM-9354Gem $68.00 2.16ct Unheated Color Change Brown-Pink Garnet from Tanzania, Oval, 8.8x6.3 mm · GEM-9347 2.16ct Unheated Color Change Brown-Pink Garnet from Tanzania, Oval, 8.8x6.3 mm · GEM-9347Gem $216.00

Have something to sell?

We buy what we sell — fair quotes against live market pricing.

Sell to Us →