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On Now: Bonhams’ California Jewels Sale

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By Annie Davidson Watson | May 20, 2025

Bonhams is sending 265 fine jewelry lots to the auction block for its California Jewels sale, taking place today in Los Angeles.

Highlights include a selection of rare, untreated colored gemstones—vibrant emeralds, rich rubies, and deep sapphires. Headlining the auction, with an estimate of $40,000–$60,000, is a sapphire and diamond ring in 18k white gold (pictured at top). Its 6.63 ct. cushion-shape sapphire is surrounded by approximately 1.9 cts. t.w. round diamonds.

Bonhams is also offering antique and vintage jewels, each with its own unique history and appeal, as well as striking contemporary designs and signed creations from prestigious jewelry houses including Tiffany and Buccellati. Here are some of the coveted pieces in the California Jewels sale to watch.

Verdura ring
Verdura “caged” ring in 18k yellow gold with mixed-cut rock crystals, estimate $5,000–$7,000
Carlo illario bracelet
Carlo Illario serpent bracelet in 18k yellow gold with marquise diamonds, estimate $7,000–$9,000
buccellati bracelet
Buccellati bracelet in 18k bicolor gold with round cabochon coral, estimate $7,000–$9,000
Tiffany brooch
Tiffany & Co. brooch in 18k yellow gold with approximately 8.4 cts. t.w. round brilliant diamonds, estimate $5,000–$7,000
diamond spinel ring
Ring in platinum and 18k yellow gold with 2 ct. round diamond and 2 ct. octagonal-cut pink spinel, estimate $10,000–$15,000
diamond ring
Circa 1905 platinum ring with 2.95 ct. old European-cut diamond and single-cut diamonds, estimate $12,000–$18,000

(Photos courtesy of Bonhams)

Follow me on Instagram: @anniedavidsonwatson

By: Annie Davidson Watson

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