Our backdrop necklace is handmade with genuine emerald and opal gemstones for the bride with a backless wedding dress. Adds a little green color to your look in an elegant minimal style. The front has an emerald stone adorned with tiny beads wrapped onto our dainty cable chain. The back has opal stones with dancing color play dangling a briolette at the end of the drop. Made in sterling silver, gold or rose gold filled. You can add on the matching earrings made with 20G french hook earwires. About Emerald: Emeralds are the birthstone for May and the 20th and 35th wedding anniversary stone. Emerald belongs to the beryl group of gemstones and is one of the four precious gemstones in the world, which includes sapphire, ruby, and diamond. The name comes from the French word 'esmeralde', meaning 'green stone. The color comes from chromium and vanadium deposits. Most natural emeralds will have various color shades and inclusions. Columbia, Brazil, and Zambia have the largest sources. These emerald stones have been dyed for a more uniform color. Materials: Emerald gemstones heart briolettes 8-9mm Ethiopian opal gemstones 3-4mm All metal components are 14K rose gold filled, 14K gold filled, or 925 sterling silver If you have any questions just click "message seller" on our homepage. Thank you for visiting our jewelry shop, Linda and Joe .