18K Gold 11.00ct Tanzanite & 1.75ctw Diamond Ring
Updated August 7, 2026
| Lot number | 287 |
| Estimate | 21,420.00 - 42,840.00 USD |
| Category | Jewelry & Watches |
| Auction | Fine 18K Jewelry, Rolex, Artwork & Estate Collectibles |
| Date | August 13, 2026 at 8:59 PM PDT |
| Auction house | A&B Gemological Services |
| Location | Los Angeles, California |
18K White Gold 11.00ct Tanzanite & Diamond Ring <br> <br> <br> Estimated Retail Replacement Value: $42,840.00 <br> Reference: BEL24480 <br> Item No.: FA2055939007-BR6222ATZ <br> <br> <br> An exceptional 18K solid white gold ring centered with a natural oval-cut tanzanite weighing approximately 11.00 carats. The gemstone displays a vivid violetish-blue color with Type I clarity and a very good cut, creating impressive depth, brilliance, and visual presence. <br> <br> <br> The center stone is surrounded by a double halo of natural round brilliant-cut diamonds, with additional diamonds extending along the split shoulders of the band. The 102 diamonds have a combined estimated weight of 1.75 carats and are graded G–H color and SI1–SI2 clarity. <br> <br> <br> Specifications: <br> <br> <br> Metal: 18K Solid White Gold <br> Total Item Weight: 8.92 grams <br> Ring Size: 7.5 <br> Country Made: USA <br> <br> <br> Main Gemstone: <br> <br> <br> Gemstone: Natural Tanzanite <br> Shape: Oval Cut <br> Quantity: 1 <br> Carat Weight: 11.00ct <br> Color: Violetish Blue <br> Clarity: Type I <br> Cut Grade: Very Good <br> <br> <br> Accent Gemstones: <br> <br> <br> Gemstone: Natural Diamond <br> Shape: Round Brilliant Cut <br> Quantity: 102 <br> Total Carat Weight: 1.75ctw <br> Color Grade: G–H <br> Clarity Grade: SI1–SI2 <br> Hardness: 10 <br> <br> <br> Condition: <br> Excellent condition with light signs of handling consistent with careful storage and display. Please review the photographs for additional details. <br> <br> <br> Additional Information: <br> This item comes with an appraisal confirming its specifications and estimated retail replacement value.
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