Vintage Canadian Platinum Solitaire Diamond Ring | 0.55ct SI1/SI2 H/I | SZ 6.25 | new356 35mm Gemstones Curved Cut Jadeite

35mm Gemstones Curved Cut Jadeite

09 ctw Accents Clarity I1/I2 Colour  J/K

00ct Synthetic Emerald

Metal 18k Yellow Gold Size 9 3/4 Width Top- 15

25ctw Diamonds Clarity SI2-I1 Colour I/J Cut Good

Vintage Canadian Platinum Solitaire Diamond Ring | 0.55ct SI1/SI2 H/I | SZ 6.25 | new356 35mm Gemstones Curved Cut JadeiteMetal 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.