This Necklace By David Yurman Features A Striking 11mm Round Blue Diamond As The Centerpiece, Set In A Classic Four-Prong Mounting That Enhances Its Brilliance And Deep Oceanic Tone. The Vivid Blue Gemstone Creates A Cool, Elegant Focal Point, Beautifully Contrasted With The Polished Sterling Silver Setting For A Refined Gold And Silver Luxury Aesthetic. It Is Paired With A Durable 2mm Chain That Provides A Clean And Balanced Structure, While The 45Cm Base Length With A 5Cm Adjustable Extension Allows Flexible Styling For Different Necklines. A Sophisticated Piece That Blends Bold Color, Timeless Diamond Craftsmanship, And Modern Fine Jewelry Elegance.