21.64ct Boulder Opal & Diamond Brooch
Sold For
$4,900
Sale Date
14 December 2025
Opal and Diamond brooch/pendant with centre freeform Solid Natural Boulder Opal of 21.64ct, round & marquise cut Natural blue Sapphires totalling 0.81ct, round & marquise cut Natural Emeralds totalling 0.35ct and round Natural Diamonds totalling 0.79ct (Estimated grading: H-I SI). 18ct yellow gold and Platinum - 900. Size: 5.5cm x 2.8cm. Weight: 21.6g. With Certificate #421183. (Pre-owned)
Type
Brooch
Diamond Carat
21.64
Secondary Colour
Blue
Secondary Diamond Carat
0.81
Gold Carat
18
Metal
Platinum and Yellow Gold
Certificate
Mitchells Jewellery Valuations
Condition
Pre-owned
Category
Opal
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