Gemstones catalog
Our constantly growing gemstone collection is the result of many years’ gemological experience, dozens of trips to mining regions and passion for gems.
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36 items on page from 5099 in category
Pair of neon blue Paraiba tourmalines in cushion cut 3.11 carats, Mozambique
$15,395 / 4,950/ct
Free worldwide shipping
Neon Blue Paraiba tourmaline in pear cut 2.26 carats, Mozambique
$10,622 / 4,700/ct
Free worldwide shipping
Neon blue Paraiba tourmaline in pear cut 2.78 carats, Mozambique
$14,178 / 5,100/ct
Free worldwide shipping
Neon blue Paraiba tourmaline in cushion cut 3.53 carats, Mozambique
$16,768 / 4,750/ct
Free worldwide shipping
Unheated purple or Lavender sapphire in oval cut 2.96 carats, Sri Lanka
$11,544 / 3,900/ct
Free worldwide shipping
Large vivid pink rubellite tourmaline in cushion cut 18.25 carats, Nigeria
$15,939 / 873/ct
Free worldwide shipping
Rubellite tourmaline Hot pink in cushion cut 14.63 carats, Nigeria
$11,612 / 794/ct
Free worldwide shipping
Vivid pink tourmaline in octagon cut 11.05 carats, Nigeria
$10,829 / 980/ct
Free worldwide shipping
Intense Blue sapphire in oval cut 8.81 carats, Sri Lanka
$14,889 / 1,690/ct
Free worldwide shipping
Royal Blue sapphire in cushion cut 4.18 carats, Sri Lanka
$14,630 / 3,500/ct
Free worldwide shipping
Rare unheated vivid and vibrant pink sapphire in cushion cut 4.01 carats, Madagascar
$19,649 / 4,900/ct
Free worldwide shipping
Intense Cornflower Blue sapphire in oval cut 4.54 carats, Sri Lanka
$16,344 / 3,600/ct
Free worldwide shipping
Vibrant Lagoon Tourmaline in cushion cut 7.49 carats, Afghanistan
$10,454 / 1,396/ct
Free worldwide shipping
Unique Color-Change Violet to Green Vibrant zircon in cushion cut 15.20 carats, Burma
$17,936 / 1,180/ct
Free worldwide shipping
Vibrant Vivid Pink Mahenge spinel in cushion cut 2.57 carats, Tanzania
$11,051 / 4,300/ct
Free worldwide shipping
Unheated Vivid Yellow sapphire in radiant cut 8.04 carats, Sri Lanka
$17,418 / 2,166/ct
Free worldwide shipping
Unheated Vivid Yellow sapphire in radiant cut 7.04 carats, Sri Lanka
$12,034 / 1,709/ct
On hold
Purple spinel in octagon cut 6.46 carats, Tanzania
$19,283 / 2,985/ct
Free worldwide shipping
Purple-pink Mahenge spinel in oval cut 5.65 carats, Tanzania
$18,883 / 3,342/ct
Free worldwide shipping
Neon Blue tourmaline Paraiba in heart shape 4.92 carats, Mozambique
$17,636 / 3,585/ct
Free worldwide shipping
Spinel Mahenge Vivid pink cushion cut 2.91 carats, Tanzania
$15,059 / 5,175/ct
Free worldwide shipping
Vivid Red-Pink Mahenge spinel in cushion cut 4.12 carats, Tanzania
$18,055 / 4,382/ct
Free worldwide shipping
Vivid pink Mahenge Spinel in octagon cut 2.63 carats, Tanzania
$11,960 / 4,548/ct
Free worldwide shipping
Pair of Cornflower Blue sapphires in cushion cut 6.30 carats, Sri Lanka
$18,823 / 2,988/ct
Free worldwide shipping
Unheated sapphire Pastel Yellow radiant cut 10.25 carats, Sri Lanka
$18,404 / 1,796/ct
Free worldwide shipping
Yellow sapphire in radiant cut 8.17 carats, Sri Lanka
$13,745 / 1,682/ct
Free worldwide shipping
Rare Red-Pink spinel in radiant cut 5.26 carats, Vietnam
$12,214 / 2,322/ct
Free worldwide shipping
Vivid orange spessartine in marquise cut 6.90 carats, Africa
$10,633 / 1,541/ct
Free worldwide shipping
Vivid pink Mahenge spinel in cushion cut 2.92 carats, Tanzania
$15,110 / 5,175/ct
Free worldwide shipping
Vivid pink Mahenge spinel in cushion cut 2.19 carats, Tanzania
$11,401 / 5,206/ct
Free worldwide shipping
Spinel Mahenge Vibrant Pink-Red cushion cut 2.79 carats, Tanzania
$10,888 / 3,903/ct
Free worldwide shipping
Spinel Mahenge Vibrant Pink-Red cushion cut 3.23 carats, Tanzania
$18,736 / 5,801/ct
Free worldwide shipping
Spinel Mahenge Vibrant Pink-Red cushion cut 3.06 carats, Tanzania
$19,751 / 6,455/ct
Free worldwide shipping
Unheated purple sapphire with silk effect in cushion cut 6.01 carats, Sri Lanka
$15,226 / 2,533/ct
Free worldwide shipping
Neon tourmaline Paraiba greenish blue pear cut 1.91 carats, Mozambique
$12,449 / 6,518/ct
Free worldwide shipping
Neon tourmaline Paraiba greenish blue oval cut 2.30 carats, Mozambique
$14,942 / 6,497/ct
Free worldwide shipping
GEMSTOCK.ORG COMPANY LIMITED, Tax ID: 0105561148825
919/1, Jewelry Trade Center, 2nd Floor, Room No. 201, Si Lom Road, Si Lom Sub-district, Bang Rak District, Bangkok, Thailand 10500
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