This Necklace By David Yurman Features A Bold 14mm Square-Cut Blue Diamond Centerpiece That Delivers A Cool And Sophisticated Brilliance. The Geometric Square Design Enhances Light Reflection And Creates A Strong Modern Focal Point With Elegant Depth. Set In A Polished Gold-Tone Finish, It Provides A Warm Contrast To The Vivid Blue Gemstone, While The 2mm Chain Ensures A Clean And Balanced Structure. The 45Cm Base Length With A 5Cm Adjustable Extension Allows Flexible Styling For Different Necklines And Layering Combinations. A Refined Statement Piece That Blends Modern Geometry, Bold Color, And Fine Jewelry Craftsmanship.