Retro 0.64 CTW Diamond Platinum Five Stone Engagement Ring Colombian all are very well matched

all are very well matched and medium-dark purple

J hoop earrings designed as a tapered half hoop form deeply engraved with a Byzantine motif

Completed by articulated bale accented by round brilliant cut diamond

With signature inset ruby for Roberto Coin

With maker's mark for Riker Bros

Retro 0.64 CTW Diamond Platinum Five Stone Engagement Ring Colombian all are very well matchedEngagement ring is designed with a stylized square form head, fishtail set shoulders, and a knife edge shank Centering a transitional cut diamond weighing approximately 0. 60 carat; H color with VS2 clarity Flanked by single cut diamonds weighing in total approximately 0. 08 carat; eye clean and white Stamped for platinum Circa: 1940s Ring Size: 7 1 2 & sizable Measures: 5. 8 mm wide and sits 6. 0 mm high Total weight: 4. 3 grams Distinguished.