Unique Moments 1/2 ct Round Lab Grown Diamond Cross Pendant in Sterling Silver (J, SI-I1). Shimmering with graceful design, this diamond cross pendant is a look she'll wear with everything. Created in Sterling Silver, this elegant style showcases sparkling diamonds set along a cascade of sculpted ribbons. Captivating with 1/2 cttw. of lab grown diamonds and a brilliant buffed luster, this pendant suspends along an 18.0-inch box chain that secures with a spring-ring clasp.