Eternity Necklace 925 Sterling Silver with Created Blue Fire Opal Infinity Pendant, 18" + 4" Extender This Exquisite Opal Infinity Necklace is Made by Hand in our Jewelry Design Studio Created Blue Fire Opal Unique Infintity Shaped Pendant Eternity, Infinity, Figure 8 Neckalce 18" chain + 4" Extender all in 925 Silver for adjustable length up to 22" Graceful and Feminine. Great Gift Idea, Show Your Eternal Love With This Exquisite Necklace