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Browse the complete Thai Gems inventory — over 6,000 natural loose gemstones and fine jewelry pieces from our Bangkok facility. Sapphires in every color: blue, pink, yellow, teal, green, purple, white, peach, bi-color, and color change. Rubies from Burma, Madagascar, and Mozambique. GIA-certified diamond jewelry in 18K gold.

All stones are genuine, natural, and conflict-free, with treatment clearly disclosed on every listing. Thai Gems has been sourcing directly from mining origins since 1963. Trade accounts, volume discounts, and custom cutting available. Worldwide shipping. 30-day money back guarantee.

8x4 MM Natural Blue Sapphire Marquise Cut | 9 Different Grades | Varieties Of Color & Clarity | Deep / Medium / Pastel Blue | Calibrated

From $6.00

5x3 MM Natural Blue Sapphire Marquise Cut | 9 Different Grades | Varieties Of Color & Clarity | Deep / Medium / Pastel Blue | Calibrated

From $9.00

7x3.5 MM Natural Blue Sapphire Marquise Cut | 9 Different Grades | Varieties Of Color & Clarity | Deep / Medium / Pastel Blue | Calibrated

From $7.00

4.42 Cts Natural Peach Sapphire Loose Gemstone Oval Cut

$212.00

1 color available

1.80 cts Natural Bi-color Sapphire Loose Gemstone Oval Cut

$173.00

1 color available

2.87 cts Natural Peach Sapphire Loose Gemstone Oval Cut

$414.00

1 color available

1.12 cts Natural Fancy Bi-Color Sapphire Loose Gemstone oval Cut

$203.00

1 color available

6x5 Natural Calibrated Blue Sapphire Loose Gemstone Oval Cut

From $60.00

7x5 MM Natural Ruby Loose Gemstone Pear & Oval Cut

From $66.00

6x4 MM Natural Ruby Loose Gemstone Oval & Pear Cut

$48.00

1.80 cts Natural Fancy Bi-Color Sapphire Loose Gemstone oval Cut

$86.00

1 color available

5 Mm Natural Ruby Loose Gemstone Heart Cut

From $5.00

3.5 mm Natural Sapphire Loose Gemstone Round Cut

$48.00

1 color available

0.66 cts Natural Pinkish Orange Sapphire Loose Gemstone Oval Cut

$96.00

1.02 cts Natural Purple Sapphire Loose Gemstone Oval Cut

$144.00

0.93 cts Natural Purple Sapphire Loose Gemstone Oval Cut

$282.00

0.97 cts Natural Purple Sapphire Loose Gemstone Oval Cut

$198.00

0.85 cts Natural Purple Sapphire Loose Gemstone Oval Cut

$204.00

1.07 cts Natural Pink Sapphire Loose Gemstone Oval Cut

$132.00

1.00 cts Natural Pink Sapphire Loose Gemstone Oval Cut

$264.00

1.22 cts Natural Pink Sapphire Loose Gemstone Oval Cut

$294.00

0.93 cts Natural Peach Sapphire Loose Gemstone Oval Cut

$134.00

0.94 cts Natural Peach Sapphire Loose Gemstone Oval Cut

$142.00

0.94 cts Natural Peach Sapphire Loose Gemstone Oval Cut

$174.00

0.88 cts Natural Pink Sapphire Loose Gemstone Oval Cut

$127.00

1.14 cts Natural Pink Sapphire Loose Gemstone Oval Cut

$210.00

1.24 cts Natural Purple Sapphire Loose Gemstone Oval Cut

$223.00

1.03 cts Natural Purple Sapphire Loose Gemstone Oval Cut

$246.00

1.06 cts Natural Yellow Sapphire Loose Gemstone Oval Cut

$252.00

0.99 cts Natural Golden Yellow Sapphire Loose Gemstone Oval Cut

$178.00

1.41 cts Natural Pink Sapphire Loose Gemstone Oval Cut

$468.00

0.83 cts Natural Yellow Sapphire Loose Gemstone Oval Cut

$84.00

0.81 cts Natural Yellow Sapphire Loose Gemstone Oval Cut

$84.00

0.81 cts Natural Yellow Sapphire Loose Gemstone Oval Cut

$84.00

0.81 cts Natural Yellow Sapphire Loose Gemstone Oval Cut

$84.00

0.48 cts Natural Yellow Sapphire Loose Gemstone Oval Cut

$48.00