A superb Art Deco platinum brooch, circa 1920, set with a striking oval black opal displaying vivid green, blue and violet play-of-colour. The opal is framed by old-cut diamonds in a finely scalloped platinum surround.
The black opal measures approximately 23 x 16 mm (estimated approx. 25 ct), and the 22 old-cut diamonds have an estimated total weight of approximately 2.20 carats, of approximately H-J colour and VS/SI clarity. A fine and important Art Deco opal and diamond brooch with exceptional colour play.
Opal and diamond weights and grades are given as careful estimates and are not based on a laboratory certificate.
Dimensions -
Dimensions: 3 x 2.5 cm
Weight: 9.2 grams
Specifications -
Metal: Platinum
Black opal: Approx. 23 x 16 mm, approx. 25 ct (estimated)
Diamonds: 22 old-cut, approx. 0.10 ct each
Estimated total diamond weight: Approx. 2.20 ct
Estimated diamond colour: H-J range
Estimated diamond clarity: VS/SI range
Date: Art Deco, circa 1920
Condition :
In good antique condition, with wear and tear consistent with age.
A superb Art Deco platinum brooch, circa 1920, set with a striking oval black opal displaying vivid green, blue and violet play-of-colour. The opal is framed by old-cut diamonds in a finely scalloped platinum surround.
The black opal measures approximately 23 x 16 mm (estimated approx. 25 ct), and the 22 old-cut diamonds have an estimated total weight of approximately 2.20 carats, of approximately H-J colour and VS/SI clarity. A fine and important Art Deco opal and diamond brooch with exceptional colour play.
Opal and diamond weights and grades are given as careful estimates and are not based on a laboratory certificate.
Dimensions -
Dimensions: 3 x 2.5 cm
Weight: 9.2 grams
Specifications -
Metal: Platinum
Black opal: Approx. 23 x 16 mm, approx. 25 ct (estimated)
Diamonds: 22 old-cut, approx. 0.10 ct each
Estimated total diamond weight: Approx. 2.20 ct
Estimated diamond colour: H-J range
Estimated diamond clarity: VS/SI range
Date: Art Deco, circa 1920
Condition :
In good antique condition, with wear and tear consistent with age.
