Loose 23 carat Gemstones

Twenty-three-carat gemstones represent extraordinary geological phenomena of extreme rarity, often becoming centerpieces of important collections. Our selection features remarkable 23.0 ct masterpieces – each stone representing nature's spectacular achievement, evaluated for exceptional quality and distinctive character that creates breathtaking presence and extraordinary investment significance.
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

  • N/A
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
1 items

FREQUENTLY ASKED QUESTIONS

Why are twenty-three carat gemstones considered legendary acquisitions?

Twenty-three carat precious stones represent the absolute pinnacle of natural perfection – existing at such extraordinary rarity that many varieties have produced fewer than 2 documented specimens of this size in gem quality throughout human history. Their remarkable presence elevates them beyond conventional collectibles to important scientific specimens 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 generations at prestigious international auctions.

How does the market for 23 Ct gems operate?

Stones of this exceptional caliber rarely appear in any public marketplace, instead moving between national museums and the most important private collections worldwide through highly specialized channels operating with maximum confidentiality. Their acquisition typically involves processes more similar to important art transactions than conventional gemstone purchasing. For authentic, top-quality colored precious stones of twenty-three carats, provenance history becomes fundamentally important, with documented connections to historical collections often multiplying value for gems with distinguished lineage.

What special considerations apply when handling twenty-three carat treasures?

Gems of this extraordinary value require specialized expertise beyond standard gemological practices, with even momentary carelessness potentially causing catastrophic damage to essentially irreplaceable natural wonders. Their examination typically involves controlled environments with specialized equipment, secure fixturing, and dedicated insurance coverage. For genuine, investment-grade stones of this caliber, professional conservators utilize museum protocols during evaluation, ensuring these remarkable treasures receive the careful attention their exceptional value and absolutely irreplaceable nature demand throughout any examination process.