Sign in to download a work market report (PDF) — placement, comparables, and the artist's market, generated from the record.
- Estimate
- £3,000–£5,000 hammer ≈ $3,916–$6,527
- Result
- Performance
- Sale
- Bonhams — Knightsbridge Jewels, London, Knightsbridge · 5 February 2020
- Record ID
- TB-2026-717855
- Record
- first seen 21 Jul 2026 · updated 21 Jul 2026 · source ↗
- Cite this record
- TB-2026-717855 — https://thebasis.art/cite/TB-2026-717855
Sapphire And Diamond Ring, by Trevor Tyler Ltd, 1979. Bonhams, 5 Feb 2020, lot 8. bought in (did not sell). TheBasis.Art, TB-2026-717855.
Cite this record permanent · resolvable · quotable
Appraisal reports, insurance claims, catalogue entries and footnotes. The identifier never changes, and anyone can resolve it back to this page at https://thebasis.art/cite/TB-2026-717855.
Sapphire And Diamond Ring, by Trevor Tyler Ltd, 1979. Bonhams, 5 Feb 2020, lot 8. bought in (did not sell). TheBasis.Art, TB-2026-717855.
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 · Feb 2020
| Lot | Artist | Estimate | Result |
|---|---|---|---|
| A gem-set bombé dress ring, circa 1970 | — | £2,500–£3,500 | |
| A gem-set novelty brooch, circa 1970 | — | £1,000–£1,500 | |
| by David Thomas, 1972 | Pair Of Gold Cufflinks | £1,500–£2,000 | |
| one by Kutchinsky, 1971, the other 1982 | Pair Of Sapphire Cufflinks | £1,000–£1,500 | |
| by Dior | Diamond Necklace | £3,000–£4,000 | |
| A diamond cluster ring | — | £800–£1,200 |
Comparable results nearest sold works, same medium & price band
| Artist | Lot | vs. estimate | Result USD, incl. premium | Sale |
|---|---|---|---|---|
| Sapphire And Diamond Ring | Bague Saphir Et Diamants | $5,359 | Bonhams, Oct 2025 | |
| Sapphire And Diamond Ring | Sapphire and Diamond Ring | Christie's, Jun 2024 | ||
| Sapphire And Diamond Ring | 1996 | Bonhams, Nov 2025 | ||
| Sapphire And Diamond Ring | 2014 | Bonhams, Jun 2023 | ||
| Sapphire And Diamond Ring | Sapphire and Diamond Earrings | Christie's, May 2025 | ||
| Sapphire And Diamond Ring | circa 1990 | Bonhams, Oct 2020 | ||
| Sapphire And Diamond Ring | 2020 | Bonhams, Jun 2022 | ||
| Sapphire And Diamond Ring | 1998 | Bonhams, Mar 2025 |
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.