A diamond single-stone ring, by J. Roca
A diamond single-stone ring, by J. Roca sold for £302,500 at Bonhams on September 20, 2016 as lot 120 against an estimate of £180,000 to £250,000. See sale price, estimate, source link, and related auction records.
What is the auction result for A diamond single-stone ring, by J. Roca?
A diamond single-stone ring, by J. Roca sold for £302,500 at Bonhams on September 20, 2016 as lot 120 against an estimate of £180,000 to £250,000. See sale price, estimate, source link, and related auction records.
- A diamond single-stone ring, by J. Roca sold at Bonhams on September 20, 2016 for £302,500.
- The work appeared as lot 120 in Fine Jewellery. Wassily records the published estimate range as £180,000 to £250,000.
- This record is structured for research citation: it links the object, auction house, sale context, estimate, result, and source attribution in one page.
Auction result
Bonhams
September 20, 2016
£180,000 to £250,000
£250,000
£302,500
Sold
120
Object details
A diamond single-stone ring, by J. Roca
Jewellery
GBP
Related records
Data coverage and methodology
Wassily summarizes indexed auction records from the production warehouse. Totals are computed from available records and may differ from official auction-house totals. Sale prices may include buyer's premium when the source provides it; hammer prices are shown separately when available.
Last updated from indexed records: May 12, 2026
bonhams.com
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