Green Onyx is a symbol of self-love. What better way to whisper sweet nothings to yourself than with our Serena Necklace? 18k gold plated, 100% recycled sterling silver Green Onyx, One: 3mm Brilliant cut, Two: 2mm Brilliant cut, Two: 1.5mm Brilliant cut gemstones Necklace Pendant is 6.4mm x 24.5mm, Depth: 2.5mm Necklace length is: 15" (38cm), extends to 17" (43cm)