Australian 12.94ct Black Boulder Opal, Diamond, 18K Gold & Platinum Ring

Gender: Ladies Metal Type: 18K Yellow Gold & Palladium Ring Size: 6 Shank Maximum Width: 3.50 mm Weight: 12.83 grams One ladies 18K yellow gold and palladium vintage diamond...

A beautiful electric blue and green, approximately 10 x 20 mm, semi-rectangular Australian boulder opal from the Quilpie opal fields in Queensland is surrounded by 2 rows of stacked ...

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...

Natural black opal doublet and diamond ring in 18K and 14K yellow gold featuring bezel-set oval opal doublet measuring 13.4 x 8.3mm with diamond accent band totaling 0.12 carats. Siz...

Made to order* Custom made 18ct yellow gold rainbow sapphire ring featuring a Lighting Ridge Australian Black opal centre surrounded by a double halo o...

A fab Mid Century Australian black opal and diamond ring. With a fabulous play of color, flashing between electric blue and green, this captivating cocktail ring is smartly surrounde...

A captivating cocktail ring featuring a mesmerizing opal with a multi-colored hue. The opal is set in a bold, organic design. Surrounding the opal are round-cut stones in vibrant mul...

Ring Size: 11 This statement ring showcases a mesmerizing oval-cut opal radiating with captivating flashes of multiple colors, from rich blues and greens to fiery reds. The vibrant ...

This beautiful ring features a 4.07 carat oval lightening ridge black opal displaying a phenomenal red, orange, yellow, blue, green play of color. The ring is set in 18 karat white ...

Natural Diamond Black Opal Ring 14K Gold Cocktail Vintage This stunning vintage ring is finely crafted in solid 14K Yellow Gold (stamped and guaran...