For its 2025 Blue Book high jewelry collection ... the value goes through the roof," says Tiffany's longtime chief gemologist, Victoria Reynolds, at The Landmark yesterday. "It's like a Cashmere ...

Chief artistic officer of jewelry and high jewelry Nathalie Verdeille's latest high jewelry collection themed around marine life is connected to the legacy of Jean Schlumberger.

Tiffany & Co. Blue Book Wave Green and Blue Cuprian Elbaite Tourmaline Necklace Tiffany & Co. The ... “It’s like a Cashmere sapphire or Ceylon sapphire.” The Mozambique tourmalines were ...