Art Deco 1.15 Carat Old Cushion Cut Diamond Engagement Ring, circa 1915

Pure Deco class. The square cushion shaped old cut diamond in the centre is glowingly white, internally clean and bursting with life and fire. This quite exceptional stone is secured in a four claw collet, with step-down shoulders featuring ten rose- and eight-cut diamonds to a slim platinum shank. Magnificent.

Accompanied by an independent jewellery report.

Cut – Cushion shaped old cut in the centre, with a mix of eight-cuts and rose cuts in the shoulders.

Colour – The centre stone is G. The diamonds in the shoulders are F to H.

Clarity – The centre is VS1. The diamonds in the shoulders are SI1 to I1; all are clean to the naked eye.

Carat – The centre is a known 1.15 carat. The total approximate diamond weight in the shoulders is 0.10 carat.

Circa – 1915.

Size – L 1/2 (UK) or 5 7/8 (US). Complimentary sizing is available, can be sized up or down.

Measurements – The diamond is approximately 6.45 x 5.9mm. Sits 6.1mm for the finger.

Metal – Stamped PLAT – platinum – and tests as such.