Our Sporos necklace is 925 Sterling Silver and 18k yellow gold. Order it with your favorite stone Krokeatis Lithos or White Marble. The chain is 18k yellow gold. Choose the length of the chain that suits you: 45 cm or 55 cm, including the clasp. Sporos measures approximately 3.2 x 0.9 x 0.5 cm and comes with a high gloss finish.