Important Mid-Century Petochi Platinum Sapphire and Diamond Demi-Parure

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Important mid-century Petochi platinum demi-parure with cushion-cut sapphires, marquise diamonds, and round brilliant-cut diamonds. The dangle earrings are day/night so they can be worn as button earrings as well. The pendant on the necklace is also removable.  Italy; circa 1960.


  • Diamonds: 11.55 total carat weight, G-J color, VVS-SI1 clarity 
  • Sapphires:  14.18 total carat weight, SSEF lab reports, No heat Ceylon and No heat Burma
  • Length:  2 inches 


  • Diamonds:  34.75 total carat weight, G-J color, VVS-SI1 clarity
  • Sapphires:  30.45 total carat weight, SSEF lap report, No heat Burma and Ceylon
  • Length:  16 inches 
STOCK NO. G24229
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