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A delightful platinum Art Deco period ring with four Old Mine cut diamonds of varying size with two unmatched emeralds, formed into a cruciform design. This pretty antique ring is in a simple form consisting of four Old Mine cut diamonds with a total estimated diamond weight of 0.75ct with two centre step-cut emeralds of 0.40ct. Typical of the period all the gemstones are mille-grain set. This charming platinum antique ring would make a distinctive engagement ring with the flat setting being a practical advantage when worn.


Please feel free to contact us for more details on this piece, including additional images or video clips. Complimentary re-sizing is available on this piece.


RING SIZE – UK Q /US 8/ EU 57¾


MEASUREMENT – 15mm W x 12mm L x 3mm D

The ring stands 3mm on the finger.





CARAT WEIGHT – 0.75ct Total Weight (4 mixed size stones 0.10ct, 0.15ct, 0.20ct, 0.30ct)


CUT – Old Mine Cut




COLOUR – Bight, yellowish green

WEIGHT – 0.40ct total weight (0.18ct, 0.22ct)

CUT - Rectangular step-cut


WEIGHT – 2.1 grams


MATERIALS – Platinum/ Diamonds/Emeralds


HALLMARKS – None (but tested throughout as platinum)


CONDITION – Good, wear is commensurate for the age of the ring, emeralds are bright and a lively yellowish green.

Art Deco Platinum Diamond and Emerald 6-Stone Antique Engagement Ring circa 1920

  • Total ring diameter: 18mm
    Height: 3mm when worn on the finger

    Resizing available upon request, here.



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