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A fantastic platinum Art Deco ruby and diamond plaque ring with an estimated 1.50 carat of Old Mine cut diamonds. The centre stone is 0.35 carats and all stones are millegrain set in this stylish antique ring. Completing the geometric shape, the design is complimented by eight caliber cut rubies. Typical of the period there is also fine engraved detail to the shank of this lovely ring. A ring redolent of this glamorous era with a special story to tell no doubt.


Please feel free to contact us for more details on this piece, including additional images or video clips. 



RING SIZE – UK K ½  / US 5 ½  / EU 50 ¼ 


MEASUREMENT – Measures 19mm diameter across the finger.
The head of the ring - 20mm H x 15mm W
2mm H when worn on the finger




CARAT WEIGHT – Centre Stone – 0.35ct 1.15ct Diamonds (0.05ct - 0.10ct) 
CUT – Old Mine Cut


RUBY – 0.20ct total weight 
COLOUR - Pinkish red
CUT - Eight Calibre cut rubies


WEIGHT - 5.64 g 


MATERIALS – Platinum/Diamond/Ruby 


HALLMARK – None, tested as Platinum


CONDITION – The ring is in very good overall condition for the age of the ring, all the stones are securely set and the platinum work is crisp. Surface scratches as would be expected.

Art Deco Ruby and 1.50ct Diamond Platinum Plaque Ring, Circa 1920

  • Head: 20mm (L) x 15mm (W)

    Width: 19mm 

    Height: 2mm high on the finger.

    Resizing available upon request, here.



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