Roberto Coin 22.81 carat Tanzanite and Diamond Ring in 18K White Gold status_not_sold Oval panels in guilloché blue

Oval panels in guilloché blue enamel

pearls and sapphires

A pair of bright red rubies forms this avian's glowing eyes

A dash of diamonds makes these golden hoop earrings an ideal accessory for taking your look from day to night

Roberto Coin 22.81 carat Tanzanite and Diamond Ring in 18K White Gold status_not_sold Oval panels in guilloché blueFeaturing a large marquise cut, deep blue tanzanite with flashes of violet, surrounded by an intricate halo of diamonds in a floral motif, set in 18k white gold. Signed RC for Roberto Coin with his iconic ruby. Accompanied by a Gubelin report stating that the tanzanite is natural. The retail price in 2017 was $90,000.