18K Yellow Gold Black Onyx & 0.25ctw Diamond Ring
Updated September 15, 2026
| Lot number | 290 |
| Estimate | 3,627.00 - 7,980.00 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 |
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
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