18K Gold 4.57ct Sapphire & 0.50ct Diamond Ring

Updated September 15, 2026

This auction ended on September 18, 2026. See upcoming auctions from A&B Gemological Services or current jewelry & watches auctions.

Lot number	81
Estimate	1,519.00 - 3,038.00 USD
Category	Jewelry & Watches
Auction	Collector’s Auction SALE – Rolex, Fine Jewelry, Art & Rare F
Date	September 18, 2026 at 8:59 PM PDT
Auction house	A&B Gemological Services
Location	Los Angeles, California

18K White Gold 4.57ctw Sapphire and 0.50ctw Diamond Ring A bold gemstone ring crafted in solid 18K white gold, featuring seven natural oval-cut sapphires totaling approximately 4.57 carats and accented by approximately 0.50 carat of natural diamonds. The greyish-blue sapphires are arranged in a graduated row across the center of the ring, while round brilliant-cut diamonds trace the upper and lower contours of the setting. Open crossover details along the shoulders add movement and dimension to the wide-band design. This item comes with a professional appraisal. Specifications Metal: Solid 18K White Gold Ring Size: 7 Total Item Weight: 8.25 Grams Country of Manufacture: USA Estimated Retail Replacement Value: $6,075.00 Reference Number: BEL5400 Item Number: BR7398AS Sapphire Details Gemstone: Natural Sapphire Shape: Oval Cut Quantity: 7 Total Carat Weight: 4.57 ctw Color Grade: Greyish Blue Clarity Grade: Type I, Eye Clean Cut Grade: Very Good Treatment: Heated and Diffusion Treated Diamond Details Gemstone: Natural Diamond Shape: Round Brilliant Cut Total Carat Weight: 0.50 ctw Color Grade: G–H Clarity Grade: SI1–SI2 Cut Grade: Very Good Treatment: None Total Gemstone Weight: 5.07 ctw Appraisal: Professional appraisal included

18K Gold 4.57ct Sapphire & 0.50ct Diamond Ring

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