Vintage Canadian Platinum Solitaire Diamond Ring | 0.55ct SI1/SI2 H/I | SZ 6.25 | Jackets Metal 10k Yellow Gold Size

Metal 10k Yellow Gold Size 6 1/4 Width Top: 27

Metal 14k Yellow Gold Gemstone Pearl Carat  3

18 ctw Accent Stones Clarity VS2

26 ctw Clarity SI1/SI2 Colour F/G

10mm Width 55

Vintage Canadian Platinum Solitaire Diamond Ring | 0.55ct SI1/SI2 H/I | SZ 6.25 | Jackets Metal 10k Yellow Gold SizeMetal Platinum Size 6 1 4 Width Front: 5. 30mm, Back: 2. 00mm Gemstone Round Brilliant Cut Diamond Carat 0. 55ct Clarity SI1 SI2 Colour H I Cut Good Fluorescence Yes Based on the platinum alloy used in this piece and the diamond cut, it is most likely from the late 1950 or 1960s. The manufacturer of the piece is Corona, a Canadian manufacturer based out of Montreal.