18K yellow gold/sterling silver/cultured freshwater pearl; Pearl: 8-8.5mm; 2.6" diameter; Pushlock clasp; Photo may have been enlarged and/or enhanced; All gemstone carat weights (tcw) are approximate; variance may be 0.05 carat.; Some silver jewelry may be surface-coated with rhodium to enhance metal color and shine; it may wear off over time requiring replating.