18K Yellow Gold Black Onyx & 0.25ctw Diamond Ring

Updated August 29, 2026

This auction ended on September 4, 2026. See upcoming auctions from A&B Gemological Services or current jewelry & watches auctions.
Lot number2
Estimate3,627.00 - 7,980.00 USD
CategoryJewelry & Watches
AuctionExceptional Estate Treasures – Rolex, Jewelry, Art & Collect
DateSeptember 4, 2026 at 8:59 PM PDT
Auction houseA&B Gemological Services
LocationLos Angeles, California

This 18K yellow gold ring features black onyx accented by 12 round brilliant-cut natural diamonds totaling 0.25 carats. The diamonds are graded I - J color and SI1 - SI2 clarity, creating a refined contrast against the black onyx. An appraisal accompanies the piece.<br><br>Estimated Retail Replacement Value: $7,980.00<br>Ref: BEL9120-X7000D<br>Item no.: DAG3054<br><br>Specification:<br><br>Gold Content: 18K Yellow Gold<br>Weight of Item: 10.00 grams<br>Ring Size: 7.50<br>Country Made: USA<br><br>Main Gemstone: Black Onyx<br><br>Adjacent Gemstone: Natural Diamond<br>Shape: Round Brilliant Cut<br>Quantity: 12<br>Carat Weight: 0.25ctw<br>Color Grade: I - J<br>Clarity: SI1 - SI2<br>Cut Grade: Very Good

18K Yellow Gold Black Onyx & 0.25ctw Diamond Ring

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