The 15 carat center Australian Black Opal is actually two 7.5 carat opals. It is set in platinum and framed by 2 carats of D / E color, Vvs1 / Vvs2 clarity single cut and baguette diamonds. The piece can be worn as a brooch or pendant. The bezel that holds the chain is a 14K white gold replacement and is marked as such. The two opals both have noticeable crazing. The pendant is not signed or hallmarked. The necklace is 14K white gold and has .35 carats round brilliant cut E color , Vs2 clarity diamonds and is marked 14K and a makers mark. The chain is a recent addition and not antique. The necklace measures 17″ long. The pendant measures 1.1″ long by 1.1″ wide. The entire set of necklace and pendant weighs a total of 14.1 grams
Era: Art Deco
Composition: Platinum/ Black Opal/ Diamond/ 14K Gold
Primary Stone: Black Opal
Carat Weight: 15 carats
Secondary Stone: Diamond
Carat Weight: 2 carats
Color: D-E
Clarity: Vs1/Vs2
Necklace Chain Stone: Diamond
Carat Weight: .35 carats
Color: E
Clarity: Vs2
Necklace Measurement: 17″ long
Pendant measurements: 1.1″ long x 1.1″ wide
Necklace Weight: 14. 1 grams
Condition: Excellent estate condition, ready to wear