Loose Siam-Thailand Gemstones

Siam-Thailand gemstones carry a royal legacy with their distinctive color profiles and historical significance. Our collection features authentic Thai treasures – from classic "Siamese" rubies to rare black star sapphires – each selected for its unique saturation and optical phenomena that have made these gems favorites among collectors for centuries.
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Gem type

Gem type

Color

Color

Shape

Shape

Diamond shape refers to the overall outline and facets of a diamond. It’s a crucial factor that affects a diamond’s brilliance, fire, and scintillation – its ability to reflect light and sparkle.

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Origin

Origin

Treatment

Treatment

Carat weight

Carat weight

Diamond weight, also known as carat weight, is a measure of a diamond’s mass. It’s one of the four Cs (carat, cut, clarity, and color) that determine a diamond’s value and price.

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