Sterling Silver Plumeria Engraved Ring 6mmSolid 925 Sterling Silver Plumeria Engraved Ring Item Number: SR1291 All Weights and Measurement are approximately and may vary slightly from listed information as below: Weight: 4. 3 gram Band Width: 6mm Material: 925 Sterling Silver This beautiful ring is made with 925 Sterling Silver. 925 Sterling Silver means the silver is alloyed with 92. 5% of pure silver and 7. 5% of other metal(usually copper). It is the highest concentration of silver allowed