Mid-Century 1.00 CTW Diamond Platinum Vintage Circular Dinner Ring Mellerio Centering an oval cut rubellite

Centering an oval cut rubellite tourmaline weighing approximately 21

Centering barrel cut coral with face up measurements of 12

Set with transitional cut diamonds weighing in total approximately 0

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GIA diamond grading report: 2223306763

Mid-Century 1.00 CTW Diamond Platinum Vintage Circular Dinner Ring Mellerio Centering an oval cut rubelliteCentering an old European cut diamond weighing approximately 0. 36 carat J with VS2 clarity prong set with a recessed circular surround Comprised of transitional and baguette cut diamonds Arranged as a cross motif and weighing approximately 0. 64 carat total Well matched to center bead and bezel set With pierced gallery Stamped for platinum With maker's mark for John Giovannetti Circa: 1950s Ring size: 2 1 4 and sizable Measures north to south 12. 5