Vintage 1.22ct Diamond Solitaire Ring, c.1970s

A spectacular vintage ring featuring a stunning square emerald cut weighing 3.01 carat. Set to either side are a matching pair of trapeze cut diamonds weighing 0.30 carats each. All ...

A beautiful 1.08 carat, emerald cut diamond is on display in this 1940s solitaire. Claw set in platinum, the central diamond is graded H in colour and SI1 in clarity. The shoulders a...

A magnificent 3.18 carat emerald cut diamond distinctively stands out within its four claws. It has been graded by EDR as an I in colour and VVS2 in clarity. Set either side are a matching pair of tapered baguette cut diamonds, weighing 0.05 carat each. This Late Deco...

This beautiful solitaire ring comes from Tiffany & Co.'s 'Novo' Collection. At its centre sits a 1.29 carat, emerald cut diamonds. The diamond has been graded I in colour and VS1 in clarity and is expertly set into a platinum collet. Down each shoulder, adding to the presentation, a further 0.16 carat of sparkling round brilliant diamond are set . Along the inside of the band the full suite of Tiffany makers marks...

Diamond flanked solitaire ring. Set to centre with an octagonal emerald-cut diamond, G colour, VS1 clarity with a weight of 2.57 carats in an open back claw setting, flanked by six r...

Golconda type IIa diamond flanked solitaire ring. Set to centre with a Golconda type IIa octagonal emerald-cut diamond, D colour, VVS1 clarity, with a weight of 2.36 carats, in an open back claw setting, flanked by two tapered baguette cut diamonds in open back rubover settings with a combined approximate weight of 0.45 carats. The total approximate diamond weight is 2.81 carats, to an impressive flanked solitaire design featuring curving corner claws, a linear pierced gallery and angular open backholing, leading to raised shoulders and flowing through to a solid D-shape shank. Tested platinum, circa 1950, accompanied by Gemological Institute of America (GIA) report #2225798012. Diamonds are classified by scientists into two main types, depending on the presence of nitrogen in the diamond's chemical makeup. Type II diamonds contain little to no such impurities. This type is further subdivided into two groups, ‘a’ and ‘b’, both of which make up less than two percent of all gem quality diamonds. Type IIa diamonds are extremely rare, and the most pure of all diamonds, and consequently exhibit superior transparency. This type was first identified as coming out of India, namely the Golconda region. Some of the most famous diamonds in the world...

Vintage Diamond flanked solitaire ring. Set to centre with an octagonal emerald-cut diamond, E colour, VVS2 clarity with a weight of 1....

Emerald-cut diamond flanked solitaire ring. Centrally set with an octagonal emerald-cut diamond, H colour, VS1 clarity, with a weight of 4.02 carats in an open back four claw setting...