Vintage Derco Platinum Diamond Solitaire Engagement Ring 1.51ct GIA cert

Description

Title: Vintage Derco Platinum Diamond Solitaire Engagement Ring 1.51ct GIA cert

Description: About the Item
This refined platinum solitaire ring showcases a 1.51 carat cushion modified brilliant cut diamond with J color and VS2 clarity, offering a beautiful balance of presence, fire, and elegance. The softly squared cushion shape gives the stone a timeless look with a subtle vintage feel, while the clean solitaire setting allows the diamond to take center stage with understated sophistication. The ring is crafted in platinum and is stamped PT950 along with the maker’s mark Derco, an San Francisco based jeweler. It is a size 5.5 and presents as a classic, versatile engagement ring that pairs effortlessly with both contemporary and vintage wedding bands. With its substantial center stone and enduring platinum setting, this piece offers lasting beauty suitable for everyday wear or a meaningful milestone occasion.
More Details
Creator:
Derco
Ring Size:
5.5 US, Resizable
(Size Guide)
Metal:
Platinum
Stone:
Diamond
Stone Cut:
Cushion Cut
Weight:
4.9 g
Period:
Late 20th Century
Date of Manufacture:
c 1990s
Condition:
GoodWear consistent with age and use.
Seller Location:
Beverly Hills, CA
Reference Number:
Seller: KL0226UITO1stDibs: LU1782128590332; Resizing is available.
Request Customization

Reserve: $4,240.00

Shipping:

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Location: This item ships from California

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In the rare event that the item did not conform to the lot description in the sale, Chairish Auctions specialists are here to help. Buyers may return the item for a full refund provided you notify Chairish Auctions within 5 days of receiving the item.

Buyer's Premium

20%

Vintage Derco Platinum Diamond Solitaire Engagement Ring 1.51ct GIA cert

Lot 0015

Estimate $5,000-$6,000

Mar 17, 2026, 8:14 PM EDT

Starting Price

Secure

$2,000

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Mar 12, 2026 10:00 AM EDT

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