A 50 carat diamond ring is an extremely rare and extravagant piece of jewelry, seldom available in typical retail stores. Due to the scarcity and value of such large stones, most diamond retailers and online catalogs do not stock 50 carat diamonds on a regular basis. Sites specializing in large diamonds often show “0 diamonds found” for this weight range, highlighting just how uncommon these stones are[4][5].
The price of a diamond increases exponentially with carat weight. While a standard price per carat can offer some information, 50 carat diamonds exist in a market of their own and prices are typically negotiated privately, depending heavily on the “4 Cs”: carat, cut, color, and clarity[3]. Even for smaller and more common sizes, a price estimator is necessary due to the many factors affecting value[2][6].
For comparison, smaller diamonds like a 0.5 carat stone (one-hundredth the size) currently average around $1,100, with top-quality stones fetching somewhat higher prices[1]. Extrapolating from standard pricing is unreliable for a 50 carat diamond since premiums are much higher per carat for extraordinary sizes, and each stone is evaluated as a unique item by experienced gemologists and auction houses[3]. Some specialty jewelers do accept custom orders for extremely large stones, but expect a price in the millions of dollars and significant lead time for procurement[8].
The design and setting of a 50 carat diamond ring are typically fully bespoke, given both the size and the security required for such an asset. Engagement rings of this magnitude are usually created for private clients with exact specifications and are often accompanied by independent certification (such as from GIA) to guarantee authenticity and quality[8].
References
- [1] 0.5 Carat Diamond Prices – StoneAlgo
- [2] Diamond Price Calculator | StoneAlgo
- [3] Diamond Prices Calculator & Simulator
- [4] 50 Carat Oval Cut Lab Diamonds
- [5] 50 Carat VS1 Diamond Prices and Value | Rare Carat®
- [6] Diamond Price Calculator | Washington Diamond®
- [8] 50 carat Round Diamond Platinum Engagement Ring
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