Two black opal and diamond rings

Auction from 'Jewellery', 02 December 2026 from 10:00 GMT. Lot 311. The first bombé-ring with inlaid black opal panels and a central curved channel-set row of round brilliant-cut diamonds, stamped 14k; the second ring tension-set with a square step-cut amethyst, between two pairs of small round-cut diamonds, inlaid wit

Estimate:£500

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