"This colorful lab-created opal displays a rainbow of colors in this beautiful necklace. Opals are the birthstone of October but they are also known as the gem of choice by most and loved by many. The oval-shaped opal has been handset in an oxidized sterling silver crown setting and hangs from a sturdy 1.7mm sterling silver cable chain that closes with a sterling silver lobster clasp. The chain comes in three lengths to choose from at checkout. Also, the opal pendant is available in four differe