Loose 7.5 carat Gemstones

Seven-and-half carat gemstones inhabit the uppermost echelons of gemological rarity, with specimens of this magnificent scale seldom available to even the most privileged collectors. Our exquisite collection features extraordinary 7.5 ct treasures – each stone meticulously authenticated and selected for its remarkable combination of impressive size, exceptional quality, and distinctive character that creates truly incomparable investment pieces.
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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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4 items

7.38 Blue Oval Shape Sri Lanka Sapphire GRS

20,148.00$

7.92 Blue Cushion Shape Sri Lanka Sapphire

10,296.00$

7.65 Intense to Vivid Blue Cushion Shape Sri Lanka Sapphire GRS

29,825.00$

7.77 Cushion Shape Verdelite Brazilian Tourmaline

Sold

FREQUENTLY ASKED QUESTIONS

What makes seven-and-a-half carat gemstones historically significant?

At 7.5 carats, precious stones achieve such extraordinary rarity that individual specimens often receive proper names and dedicated documentation in gemological literature. Their exceptional size represents geological perfection so rare that many important varieties have produced fewer than 25 documented examples of this magnitude throughout recorded history. Natural, untreated gems of this remarkable size category represent quintessential achievements in the gem world, worthy of perpetual preservation in important museums and collections.

How does security differ when dealing with 7.5 Ct gems?

Precious stones of this extraordinary value require specialized security protocols rarely encountered in standard jewelry environments, often involving armed transport, specialized insurance arrangements, and secure viewing facilities. Their examination typically occurs under controlled conditions with multiple security measures in place. For authentic gems of this caliber, specialized vaults with advanced protection systems provide necessary safeguarding, while detailed documentation including multiple identifying characteristics ensures proper identification should recovery ever become necessary.

What factors determine the true value of seven-and-a-half carat stones?

Beyond standard quality parameters, gems of this exceptional magnitude develop individual identities that transcend conventional valuation methods. Their worth reflects not only intrinsic qualities but also historical significance, previous ownership, and documented importance within their variety. For investment-grade precious stones of 7.5 carats, working with internationally recognized experts provides essential guidance in determining appropriate acquisition values, ensuring these extraordinary natural treasures receive proper valuation reflecting both their objective qualities and their unique place among the world’s most significant gems.