Vintage Canadian Platinum Solitaire Diamond Ring | 0.55ct SI1/SI2 H/I | SZ 6.25 | brooch 01ct Clarity I2 Colour I/J

01ct Clarity I2 Colour I/J Cut Fair

Metal 18k Yellow Gold Size 4 3/4 Width Top: 12

Metal 10k Yellow Gold Size 5 1/2 Width Top: 9

Round Brilliant Diamond Carat Centre: 1

Clarity VVS Colour F/G Florescence  Mild

Vintage Canadian Platinum Solitaire Diamond Ring | 0.55ct SI1/SI2 H/I | SZ 6.25 | brooch 01ct Clarity I2 Colour I/JMetal 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.