Centering on an asymmetrical cabochon opal framed by diamonds and suspending a briolette diamond to a fine link platinum chain

Metal: Platinum topped yellow gold (opal mount), Platinum (chain)
Diamonds: 10 single-cut diamonds and 1 briolette diamond
Opal: 17.5 x 23.0 x 5.76 mm as stated in AGL report
Certificate: With report 1094025 dated July 30, 2018 from the American Gemological Laboratories stating that the opal is of Australian origin with natural color
Marks: 15ct (opal mount); PT950 RSA (chain)
Size/Dimensions: 46.1 cm length, 2.8 cm at widest point
Gross Weight: 10.1 grams

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