Vintage marquise diamond cluster ring, French, circa 1950.

Belle Époque marquise shape diamond cluster ring. Set to centre with a cushion shape old mine diamond in an open back claw setting,...

Vintage diamond cluster ring. Centrally set with one cushion shape old mine diamond, I colour, VS1 clarity, with a weight of 1.50 carats in an ...

René Boivin marquise diamond coronet cluster ring. Set to centre with a marquise shape old cut diamond in an open back grain setting, with an approximate weight of 1.00 carat, encircled by twenty two round eight cut diamonds in open back grain settings, with a combined weight of 0.22 carats, flanked further by three round eight cut diamonds in open back grain settings, six in total, with a combined weight of 0.06 carats. The total approximate diamond weight is 1.28 carats, to an impressive coronet cluster design featuring polished borders, an intricately pierced gallery and fancy open backholing, flanked by slightly raised shoulders that flow through to a concave shank. Tested platinum, makers mark...

Mauboussin diamond cluster ring. Set to centre with a round old cut diamond, J colour, VS1 clarity, with a weight of 4.01 carats in an open back claw setting, further adorned with tw...

This stunning Vintage cluster ring centres around a gorgeous 1.04 carat marquise cut diamond. Claw set in 18 carat white gold the diamond is surrounded by a further 1.50 carat in rou...

A beautiful 1.60 carat, transitional cut diamond takes centre stage in this cluster ring crafted in the 1950s. The rub over set diamond has a colour of H and Clarity of SI2. Envelopi...

Originating in the early 1900s, this late Victorian era ring is grain set within a platinum marquise-shaped bezel with 1.90 carats of old cut diamonds. This handmade antique bezel...

Here we have a wonderfully assembled French diamond cluster ring from the early stages of the 20th century. A gorgeous round faceted old cut diamond sits slightly risen atop a domed ...