The geometric duality of the Quatre solitaire
Launched in 2004, the Quatre collection defines Boucheron’s identity by drawing inspiration from the geometric lines of the cobblestones on the Place Vendôme. This pre-owned ring belongs to the Black Edition line, characterised by a striking contrast of materials. It features a 0.20-carat natural brilliant-cut diamond, graded F for colour and VVS for clarity. Crafted in 18-carat white gold, this model, bearing the reference JSL0011851, encapsulates the Parisian architectural approach in a strictly understated and clear design.
Architecture and jewellery craftsmanship
The setting is structured around two distinct bands, ensuring a substantial yet balanced presence on the finger. The first features a mirror-polished white gold surface, whilst the second displays the Clou de Paris motif finished in matt black PVD. The centre holds the diamond in a bevelled closed setting. This technical construction isolates the gem whilst enhancing the metal’s lustre, increasing the overall perception of its volume without the need for additional pavé setting.
Why choose this second-hand ring
Purchasing this pre-owned creation is a pragmatic decision. This choice allows you to acquire a designer piece whilst avoiding the initial mark-up. Boucheron’s exacting standards guarantee lasting structural integrity. The quality of the materials and the precision of the setting offer a level of finish that is difficult to match in contemporary pieces at a comparable price point.
Contents and condition
Available in size 51, this ring retains its internal identification engravings, including the serial number, the master’s hallmark and the Swiss guarantee. Our workshops have carried out a technical inspection of the setting and targeted polishing to restore the lustre of the white gold, whilst rigorously preserving the matt finish of the black PVD section. The piece is supplied with its original Geneva invoice and a The Swiss Collector box.
Warranty and delivery
The Swiss Collector guarantees the authenticity of this piece with a 12-month warranty. We accept returns within 10 days in accordance with our terms and conditions. As Switzerland’s leading second-hand retailer, backed by the largest network of boutiques, we offer online booking for a fitting and in-store collection, or fully secure international delivery.
* Refurbished: our jeweller has meticulously polished and inspected the piece to restore it to its original lustre.