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- Estimate
- £1,500–£3,000 hammer ≈ $1,979–$3,958
- Result
- Performance
- Sale
- Bonhams — Knightsbridge Jewels, London, Knightsbridge · 26 November 2025
- Record ID
- TB-2026-165139
- Record
- first seen 20 Jul 2026 · updated 20 Jul 2026 · source ↗
- Cite this record
- TB-2026-165139 — https://thebasis.art/cite/TB-2026-165139
John Donald: Diamond 'crown' Ring, 1972. Bonhams, 26 Nov 2025, lot 192. result recorded. TheBasis.Art, TB-2026-165139.
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John Donald: Diamond 'crown' Ring, 1972. Bonhams, 26 Nov 2025, lot 192. result recorded. TheBasis.Art, TB-2026-165139.
The citation omits the realized price because this record is not unlocked. Everything else in it is complete and permanent.
From the same sale Knightsbridge Jewels · Nov 2025
| Lot | Artist | Estimate | Result |
|---|---|---|---|
| Natural Pearl Necklace | — | £3,500–£4,500 | |
| Circa 1880 | Diamond Serpent Brooch | £1,500–£2,000 | |
| Circa 1890 | Diamond Necklace | £4,000–£6,000 | |
| Circa 1910 | Sapphire And Diamond Bar Brooch | £1,000–£1,500 | |
| Cartier: Diamond-Set 'C de Cartier' Necklace | — | £8,000–£12,000 | |
| Cartier: Diamond-Set 'C de Cartier' Bracelet | — | £2,000–£3,000 |
Comparable results nearest sold works, same medium & price band
| Artist | Lot | vs. estimate | Result USD, incl. premium | Sale |
|---|---|---|---|---|
| John Donald: Diamond 'crown' Ring | 1976 | $5,745 | Bonhams, Sep 2024 | |
| Emerald And Diamond Ring | Emerald and Diamond Ring | Christie's, Aug 2022 | ||
| Diamond Brooch | Circa 1890 | Bonhams, Nov 2025 | ||
| Diamond Brooch | Circa 1900 | Bonhams, Sep 2024 | ||
| Diamond Brooch | Circa 1920 | Bonhams, Dec 2023 | ||
| Aquamarine And Diamond Ring | Aquamarine and Diamond Ring | Christie's, Nov 2021 | ||
| Diamond Brooch | Diamond Brooch | Christie's, Mar 2022 | ||
| Emerald And Diamond Ring | 1999 | Bonhams, Apr 2023 |
The closest sold results by price, artist, and medium — the appraiser's comp set, generated from the corpus. All figures converted to USD at current reference rates.