Sign in to download a work market report (PDF) — placement, comparables, and the artist's market, generated from the record.
- Estimate
- £1,800–£2,500 hammer ≈ $2,275–$3,160
- Result
- Performance
- Sale
- Bonhams — Knightsbridge Jewels, London, New Bond Street · 15 July 2020
- Record ID
- TB-2026-716543
- Record
- first seen 21 Jul 2026 · updated 21 Jul 2026 · source ↗
- Cite this record
- TB-2026-716543 — https://thebasis.art/cite/TB-2026-716543
A Tanzanite And Diamond Dress Ring, by Geoffrey Rowlandson, 2003. Bonhams, 15 Jul 2020, lot 130. bought in (did not sell). TheBasis.Art, TB-2026-716543.
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-2026-716543.
A Tanzanite And Diamond Dress Ring, by Geoffrey Rowlandson, 2003. Bonhams, 15 Jul 2020, lot 130. bought in (did not sell). TheBasis.Art, TB-2026-716543.
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 · Jul 2020
| Lot | Artist | Estimate | Result |
|---|---|---|---|
| A cultured pearl, amethyst and citrine collar | — | £1,500–£2,000 | |
| A diamond brooch | — | £1,500–£2,000 | |
| A diamond five-stone ring | — | £1,500–£2,000 | |
| A diamond dress ring | — | £1,600–£1,800 | |
| A mid 20th century gem-set spray brooch | — | £3,000–£4,000 | |
| A pair of diamond earrings | — | £3,000–£4,000 |
Comparable results nearest sold works, same medium & price band
| Artist | Lot | vs. estimate | Result USD, incl. premium | Sale |
|---|---|---|---|---|
| Ruby And Diamond Ring | Bague Rubis Et Diamants | $2,863 | Bonhams, May 2025 | |
| Ruby And Diamond Ring | Ruby and Diamond Ring | Christie's, Nov 2025 | ||
| Ruby And Diamond Ring | Circa 1910 | Bonhams, Feb 2021 | ||
| Ruby And Diamond Ring | 2008 | Bonhams, Oct 2024 | ||
| A Tanzanite And Diamond Dress Ring | A tanzanite and diamond dress ring | Christie's, Jun 2014 | ||
| Ruby And Diamond Ring | 1979 | Bonhams, Jul 2022 | ||
| Diamond Bracelet | Circa 1998 | Bonhams, Mar 2025 | ||
| Pair Of Diamond Earstuds | Elsa Peretti for Tiffany | Bonhams, Jul 2019 |
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.