Michele della Valle
Opal, tsavorite and diamond brooch, 'Koala'
Opal, tsavorite and diamond brooch, 'Koala', Michele della Valle
The carved opal depicting two koalas, sitting in leaves set with circular-cut emeralds and tsavorite garnets and brilliant-cut diamonds, signed Michele della Valle, Italian assay marks for gold, maker's marks, pouch stamped Michele della Valle.
Signed MICHELE DELLA VALLE, Italian maker's mark and maker's mark for Michele della Valle, assay mark for 18 carat gold. Opal in good condition, showing mostly blue and green iridescence. Emeralds stated to weigh a total of 2.12 carats, well-matched in colour, minor abrasions. Tsavorite garnet with minor abrasions. Diamonds estimated to weigh a total of approximately 3.50 - 4.00 carats, bright and lively. Minor evidence of wear to the metal. In very good condition. Gross weight approximately 37 grams. Measuring approximately 50 x 65mm. Accompanied by a pouch stamped Michele della Valle.