Sapphire, diamond and gold Retro tank ring

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18ct yellow gold and platinum Retro tank ring with an open book design centred with a rectangular-cut sapphire of approximately 1.70ct and two old-mine cut diamond roll shoulders in platinum setting.

Circa 1940.

Ring size : 49.5 J-1/2 (UK); 5 (US)

Gross weight : 12.8g (0.4oz).

Condition report :

Bibliography :

Provenance :

  • Items quantity:  1
  • Period :  20th Century
  • Expertissim Reference: 2014091938
  • Material: 
    • Ring Diamond
    • Ring Saphir