Natural Gemstones

Earth-mined sapphires, rubies, emeralds and other natural colored gemstones, hand-selected by Randolph & Co. Shop loose stones for a custom build, or choose a finished earring, pendant, ring or bracelet.

23 products

Earth-mined sapphires, rubies, emeralds and other natural colored gemstones, hand-selected by Randolph & Co. Shop loose stones for a custom build, or choose a finished earring, pendant, ring or bracelet.
23 products
1.00ct natural Mozambique aquamarine stud earrings in 14K white gold
1.00ct Natural Mozambique Aquamarine Earrings in 14K White Gold $73800
0.62ct natural Mozambique pink sapphire stud earrings in 14K white gold
0.62ct Natural Mozambique Pink Sapphire Earrings in 14K White Gold $81800
1.61ctw natural emerald earrings with natural diamonds in 14K yellow gold
1.61ctw Natural Minor Oil Emerald Earrings with 0.06ctw Natural Diamonds in 14K Yellow Gold $87700
0.52ct natural unheated Tanzanian ruby stud earrings in 14K yellow gold
0.52ct Natural Unheated Tanzanian Ruby Earrings in 14K Yellow Gold $1,15000
1.95ct natural yellow Sri Lankan sapphire stud earrings in 14K yellow gold
1.95ct Natural Yellow Sri Lankan Sapphire Earrings in 14K Yellow Gold $92600
0.91ct natural Tanzanian rhodolite garnet stud earrings in 14K yellow gold
0.91ct Natural Tanzanian Rhodolite Garnet Earrings in 14K Yellow Gold $45400
1.16ct natural bi-color Tanzanian rhodolite garnet stud earrings in 14K yellow gold
1.16ct Natural Bi-Color Tanzanian Rhodolite Garnet Earrings in 14K Yellow Gold $48700
0.99ct natural Tanzanian rhodolite garnet stud earrings in 14K white gold
0.99ct Natural Tanzanian Rhodolite Garnet Earrings in 14K White Gold $46600
3.67ct natural watermelon tourmaline pendant with natural diamonds
3.67ct Natural Watermelon Tourmaline Pendant with Natural Diamonds in 14K White Gold $2,75000
0.79ct natural emerald pendant with natural diamond in 14K yellow gold
0.79ct Natural Emerald Pendant with Natural Diamonds in 14K Yellow Gold $44200
2.67ct natural sphene pendant in 14K yellow gold
2.67ct Natural Sphene Pendant in 14K Yellow Gold $1,00000
Natural Australian opal ring and pendant set in 14K yellow gold
Natural Australian Opal Ring & Pendant Set, 14K Yellow Gold, 3.84ct & 10.64ct Opals with Natural Diamonds $3,00000
Matched pair of natural pear shape Tanzanian rhodolite garnets in a gem box
Pair of Natural Pear Shape Tanzanian Rhodolite Garnets, 1.12ctw, Matched Loose Gems $10000
1.44ct natural Afghan emerald, square emerald cut, in a gem box
Close up of the 1.44ct natural Afghan emerald
1.44ct Natural Afghan Emerald, No Oil, Square Emerald Cut Loose Gemstone $2,59200
Three natural 5.25mm round emeralds in a gem box
Natural 5.25mm Round Emerald Set, 1.68ctw, Calibrated Loose Emeralds $75000
Natural 2mm round rubies in a gem box
56pc Natural 2mm Round Ruby Set, 2.18ctw, Calibrated Loose Rubies $50000
20 natural multi-color sapphires laid out in a row
20pc Natural Sapphire Set, 6.35ctw, Matched Loose Sapphires $90000
34 natural rainbow oval sapphires laid out in a graduated color run
34pc Natural Rainbow Oval Sapphire Set, 10.42ctw, Matched Loose Sapphires $1,20000
Matched pair of natural pink Tanzanian spinels, 0.50ct, in a gem box
Pair of Natural Pink Tanzanian Spinel, 0.50ct, Matched Loose Spinels $30000
Matched pair of natural 5mm round emeralds in a gem box
Pair of Natural 5mm Round Emeralds, 0.84ctw, Matched Loose Emeralds $40000
21 natural 3mm round purple sapphires in a gem box
21pc Natural 3mm Round Purple Sapphire Set, 2.91ctw, Calibrated Loose Sapphires $98000
Natural 2.25mm round pink sapphires in a gem box
Natural 2.25mm Round Pink Sapphire Set, 2.64ctw, Calibrated Loose Sapphires $60000
16 natural 3mm round rubies in a gem box
16pc Natural 3mm Round Ruby Set, 2.58ctw, Calibrated Loose Rubies $80000
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