An Edwardian opal crescent shaped broochA pretty crescent shaped brooch set with opals. From the early part of the 20th century the brooch measures 50mm width, and graduates from the centre 5mm to 1mm at its furthest edge, The white opals feature good colour variation from vibrant green hues to flashes of orange. Smallest at 2. 3mm to the largest at 4mm. Tiny diamond accents are rose cut and scatter through the piece, the end diamonds a little larger. Weight 3. 2grams, and supplied with a