Loose 10 carat Gemstones

Ten-carat gemstones cross the threshold into legendary status, with specimens of this magnificent scale destined for histories, exhibitions, and the world's most important collections. Our prestigious selection features extraordinary 10.0 ct treasures – each gem representing nature's most spectacular achievement, carefully authenticated and selected for its exceptional quality characteristics and remarkable character that creates both incomparable aesthetic presence and extraordinary investment potential.
Filters
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.

LEARN MORE ABOUT Shape
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.

LEARN MORE ABOUT Carat weight
7 items

10.07 Octagonal Shape Yellow Sapphire CGL

27,000.00$

10.50 Green Square Emerald Shape Colombian Emerald CGL

65,000.00$

10.54 Pair of Pear Shape Peach Pink Brazilian Morganite

850.00$

10.53 Oval Shape Tanzanian Tanzanite

4,500.00$

10.56 Cushion Shape Golden Yellow Sapphire GRS

Sold

10.33 Oval Shape Pink Peach Brazilian Morganite

Sold

10.44 Oval Shape Tanzanian Tanzanite

Sold

FREQUENTLY ASKED QUESTIONS

Why are ten-carat gemstones considered legendary acquisitions?

Ten-carat precious stones represent the absolute pinnacle of natural perfection – existing at such extraordinary rarity that many varieties have produced fewer than 10 documented specimens of this size in gem quality throughout history. Their remarkable presence elevates them beyond conventional collectibles to important cultural artifacts worthy of perpetual preservation. Natural, untreated gems of this magnitude represent serious investments that have consistently demonstrated exceptional appreciation, with fine examples establishing price records that remain unbroken for decades at prestigious international auctions.

How does the market for 10 Ct treasures differ from standard gemstone trading?

Gems of this exceptional caliber rarely appear in public marketplaces, instead moving between important collections through specialized channels operating at the highest levels of discretion. Their valuation transcends conventional pricing mechanisms, with each stone essentially establishing its own market based on historical significance and unique characteristics. For authentic, GIA-certified colored stones of ten carats, acquisition typically involves relationships developed over decades with specialized dealers having access to extraordinary material that never reaches public awareness.

What documentation should accompany investment-grade ten-carat gems?

Beyond standard certification, stones of this magnitude require comprehensive documentation packages establishing their complete provenance and unique characteristics. These typically include detailed origin analysis, comparative studies with other important specimens, and specialized security documentation. For genuine precious stones representing investments of this significance, complete records of previous ownership, exhibition history, and scholarly publications provide essential provenance that substantially enhances both historical importance and long-term investment potential in these extraordinarily rare natural wonders.