Large Australian Black Opal Diamond Platinum Cocktail Ring

A large and impressive platinum cocktail ring featuring a natural Australian black opal! The opal weighs 4.60 carats and has great play of color as flashes of greens and blues dance ...

A large and impressive ring featuring a natural black opal from Australia! It weighs 4.42 carats and has excellent play-of-color as large and bright flashes of blue and green can be seen across the stone. It is accented by 1.59 carats of baguette-cut diamonds which halo the opal and add brilliance and sparkle to the piece. Hand-fabricated in platinum, this fine Australian black opal ring...

A lovely platinum cocktail ring featuring a 4.51 carat Australian black opal. It is a classic blue-green opal with excellent play of color as bright flashes roll across the surface o...

A large and impressive cocktail ring featuring a fine and gemmy Australian black opal! The opal weighs 5.80 carats and has excellent play-of-color and large prominent bright flashes ...

Natural Black Opal 3.77 carats and Diamond Cocktail Ring in Platinum Black Opal and Diamond Ring features a Center Oval Cabochon Black Opal with flashes of Green and Blue play of co...

This spectacular Lightening Ridge Black Opal and Diamond ring features a 7.14 carat total weight black opal center with a phenomenal blue and green play of color surrounded by a dia...

A beautiful ring featuring a 2.37 Carat Australian Black Opal and 1.09 Carat Diamonds made in Platinum. The Opal displays very good play of color! Opals are known for exhibiting flas...

This Is A 14k White Gold Ladies Australian Black Opal And Diamond Ring. The Main Stone Is A Solid 17 X 10 Millimeter Oval Opal. The Opal Is Accented By 12 Round Cut Diamonds With A T...