Ross-Simons - 6.50ct t. w. Emerald, 1.50ct t. w. Diamond Tennis Necklace Over Sterling. 18". Elevate your jewelry box to fabulous new heights with our gorgeous graduated tennis necklace. In a classic pairing, 6.50 ct. t. w. emeralds and 1.50 ct. t. w. diamonds shimmer from 18kt yellow gold over sterling silver settings. You're destined to dazzle at your next event when you wear this enduring favorite! Graduates from 1/8" to 3/16" wide. Single-latch safety. Push-button clasp, diamond and…