Handcrafted 18k gold construction ensures lasting quality and shine
Emerald and diamond accents create a striking, eye-catching centerpiece
Customizable stone sizes and grades for personalized selection
Available in multiple gold tones and sizes to suit individual preferences
Unique key-inspired design offers a modern, statement-making accessory
Summarized by Shop
Cosma Collection
The Emerald E/W Diamond Cosma Ring reimagines the relationship between stone and setting. Each ring is designed to echo the diamond’s own silhouette, preserving its natural geometry beyond the crown. Where traditional settings conceal the body of the stone, Cosma brings it forward, integrating its full form into the archi
Material
18k gold, emerald, diamond
Ring design
Band with emerald and diamond accents
Gold tones
Yellow, white, rose, platinum
Band width
2 mm
Stone sizes
Emeralds 3mm x 3mm to 4.5mm x 7mm, Diamonds 1mm diameter to 3mm x 3mm