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Art Deco, Platinum, 4ct Burmese Pink Sapphire and Diamond Ring

Product SKU: ARB-336

Pink sapphire and diamond ring, 1920s. The pink sapphire at the centre of this ring is blessed with both an unusual and attractive early 20th century geometric cut, and a beautiful magenta body colour. Pink sapphires, like rubies, are coloured by chromium, and as both are varieties of corundum, all that separates the two stones is the subtlety of its colour. This example weighing approximately 4.00 carats is of Burmese origin, and was undoubtedly mined alongside some of the world’s best ruby deposits. Unusually for sapphires and rubies, this stone has not been heat treated, meaning its colour and clarity are entirely natural – a rare feat for any stone. With a border of single-cut diamonds accentuating its geometric outline and a hand-made mount, this effortlessly elegant ring is a superb example of pre-war jewellery design.



Place Of Origin

United Kingdom

Stone Type

Pink Sapphire: 4.00 carat (calculated) / Accompanied by GCS report no. 80269-10, stating that the pink sapphire weighing approximately 4.0 carats is of Burmese (Myanmar) origin, with no indications of heat treatment.

Diamonds: Approx. 0.28 carats total


Height of setting: 4.2mm
Width of setting at front: 13.5mm x 12.5mm

Metal Type


Date Of Manufacture

1900 - 1930

Period Of Manufacture

Art Deco


Very good

Signs Of Wear

Minor wear commensurate with age

Band Size

UK J  /  US 4.75 (complimentary re-size available)


3.27 grams (gross)