TANK Art Deco ring year 40 GOLD 18 carats Diamonds 1.10 carats

Imposing tank ring circa 1940 in 18 carat gold
adorned with a beautiful central diamond of 0.40 carat G/VS supported by diamonds for a weight of 0.70 carat finalized by 4 calibrated baguette rubies.
Total diamonds: 1.10 carats
Weight: 10.7 grams
size: 60