Sign in to download a work market report (PDF) — placement, comparables, and the artist's market, generated from the record.
- Estimate
- £500–£700 hammer ≈ $615–$861
- Result
- Performance
- Sale
- Bonhams — Knightsbridge Jewels Online, London, Knightsbridge · 3 November 2023
- Record ID
- TB-2026-389315
- Record
- first seen 20 Jul 2026 · updated 20 Jul 2026 · source ↗
- Cite this record
- TB-2026-389315 — https://thebasis.art/cite/TB-2026-389315
Sapphire And Diamond Plaque Ring, LATE 19TH CENTURY. Bonhams, 3 Nov 2023, lot 55. bought in (did not sell). TheBasis.Art, TB-2026-389315.
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-2026-389315.
Sapphire And Diamond Plaque Ring, LATE 19TH CENTURY. Bonhams, 3 Nov 2023, lot 55. bought in (did not sell). TheBasis.Art, TB-2026-389315.
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 Online · Nov 2023
| Lot | Artist | Estimate | Result |
|---|---|---|---|
| Bulgari: Diamond-Set 'B.zero1' Earrings | — | £1,200–£1,500 | |
| Diamond Cluster Earstuds | — | £1,000–£1,500 | |
| Diamond Half-Eternity Ring | — | £500–£700 | |
| Late 19Th Century | Diamond Plaque Ring | £600–£800 | |
| Early 20Th Century | Ruby And Diamond Brooch Cultured Pearl | £800–£1,000 | |
| Cultured Pearl Necklace with Pearl and Diamond Clasp | — | £800–£1,000 |
Comparable results nearest sold works, same medium & price band
| Artist | Lot | vs. estimate | Result USD, incl. premium | Sale |
|---|---|---|---|---|
| Sapphire And Diamond Plaque Ring | A sapphire and diamond plaque ring, | $657 | Christie's, Jan 1998 | |
| Emerald And Diamond Ring | First Half of Twentieth Century | Bonhams, Dec 2024 | ||
| Sapphire And Diamond Plaque Ring | Late 19Th Century | Bonhams, Sep 2023 | ||
| Diamond-set Half Eternity Ring | 1998 | Bonhams, Apr 2022 | ||
| Ruby And Diamond Brooch | Broche Rubis Et Diamants | Bonhams, Nov 2024 | ||
| Emerald And Diamond Ring | Circa 1970 | Bonhams, Nov 2023 | ||
| Emerald And Diamond Ring | Bague Émeraude Et Diamants | Bonhams, Sep 2025 | ||
| Emerald And Diamond Ring | Bague Emeraude Et Diamants | Bonhams, Nov 2024 |
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.