This Necklace By David Yurman Features A Bold 14mm Square-Cut Black Diamond Centerpiece That Delivers A Powerful And Modern Luxury Aesthetic. The Geometric Square Design Enhances Depth And Structure, Creating A Strong Focal Point With Refined Edge. Set In A Polished Gold-Tone Finish, It Creates A Striking Contrast Against The Deep Black Gemstone, While The 2mm Chain Provides A Clean And Balanced Profile. The 45Cm Base Length With A 5Cm Adjustable Extension Allows Flexible Styling For Different Necklines And Layering Options. A Sophisticated Statement Piece That Blends Monochrome Contrast, Modern Geometry, And Fine Jewelry Craftsmanship.