Fancy Colored Diamond Platinum 18 Karat Gold Unisex Oil Rig Signet Ring Schlumberger Centering a checkerboard cushion cut

Centering a checkerboard cushion cut prasiolite measuring approximately 11

Centering an oval cabochon pink tourmaline with deeply carved fluting

Measuring: 1 x 1/2 Inch

Total weight: 10 grams

Pierced circular Moroccan inspired design

Fancy Colored Diamond Platinum 18 Karat Gold Unisex Oil Rig Signet Ring Schlumberger Centering a checkerboard cushion cutSignet style ring designed with broad brushed gold shoulders Designed as a stylized oil rig featuring fancy cut diamonds flush set in platinum, F G in color and VS clarity Accented by round brilliant cut fancy colored brownish yellow diamonds Stamped 18k for 18 karat gold and tested as platinum with makers mark Ring size: 8 3 4 Circa: 1960s Top Measures: 18. 4 mm and its 5. 8 mm high Total weight: 19. 3 grams Uncommon. Hefty. Picturesque. Stock