18K yellow gold As shown with: Chain of Tubes Necklace, Hexagons Ring, Hexagon Multi-Colored Sapphire Ring, Hexagon Light Green Sapphire Ring, and Wood Grain Cuff. • 1.43" (3.64cm) length • 0.70" (1.78cm) width • Articulated moveable curved segments • 18K gold post/nut • One of a kind