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A super original Art Deco aquamarine and diamond ring set with a cushion cut, intricately faceted est. 3.40ct aquamarine flanked by two baguette diamonds (est. 0.20cts each). A further 14 brilliant cut diamonds estimated at 0.02cts each, all millegrain set complete the octagonal setting. Two further diamonds are set in the trefoil shoulders, giving an estimated diamond weight of 0.70ct.


The intricately pierced underbezel is typical of the period as is the reeded shank and the flat design of this lovely ring being so easy to wear with the lack of claws to catch. This ring really does cover all the best elements of the Art Deco period jewelry design. Dating from the 1920s this super antique aquamarine and diamond ring would make a lovely engagement ring. 


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


DETAILS - the head of the ring measures 18mm long x 14mm wide. 



Colour: pale blue 

Carat weight: 3.40ct (approx)

Cut: Briollete, mixed cut 


No internal cracks or fissures are present. External facets remain well defined showing no signs of wear or any chips to edges. Overall, excellent condition.




Colour: G

Clarity: VVS 1

Carat weight: 0.70ct total (approx)

2 baguette cut (0.20ct each)

14 round brilliant 

Cut: Baguette & brilliant


RING SIZE - UK M / US 6 ¼ / EU - 52¾
Diameter of ring 19mm 
4mm high when worn on the finger 


WEIGHT - 5.35g 


MATERIALS - Platinum/aquamarine/diamond 


HALLMARKS - None present, but not unusual for the period (tested as Platinum) 


CONDITION - Very good commensurate with age 

Art Deco 3.40 Carat Aquamarine and Diamond Platinum Dress Cocktail Ring, 1920s

  • Diameter of ring 19mm 
    4mm high when worn on the finger 

    Resizing available upon request, here.



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