3150. ALTENLOH: EMERALD AND DIAMOND BROOCH, CIRCA 1980 ALTENLOH: EMERALD AND DIAMOND BROOCH, CIRCA 1980 - French import marks for 18 carat white gold (750°/00) and for platinum (850°/00) - 1 cut-cornered step-cut emerald - Numerous old brilliant-, baguette- and brilliant-cut diamonds weighing approximately 6.50-7.50 carats total - Measurements: 5.80 x 3.50 cm - Gross weight: 18.78 grams OVERALL CONDITION: Metal tested and stamped for 18 carat gold and platinum; small signs of repair, light scratches throughout, chips, overall good condition. PRINCIPAL COLOURED GEMSTONE: cut-cornered step-cut emerald Measurements approx. 8.05 x 9.05 x 4.71 mm Chips, abrasions, surface reaching inclusions. Typical inclusions. ACCENT DIAMONDS: Approximate overall colour and clarity: H-I-J, VS-SI Chips. MARKS: Signed Altenloh French import marks for platinum (brooch) and 18 carat gold (pin) This condition report is provided for your convenience based on the opinion of our gemmologists. Bonhams is not responsible for any discrepancies between this information and other opinions.