Metal: 18k Yellow Gold pendant. 22k yellow gold necklace.6.80 carat natural blue sapphire. Cabochon cut sapphire. 100% natural earth mined.0.25 carat round brilliant cut diamonds. VS clarity and F color.TCW of all precious stones: 7.05 carats.Certified by GIA graduate gemologist, AGI New York. Estimate retail value: $7500.00.Indian style necklace. Mangalsutra necklace. Traditional Indian jewelry. Symbol of love and marriage. A mangala sutra (from Sanskrit mangala, meaning 'holy, auspicious', and sutra, meaning 'thread') is a necklace that the groom ties around the bride's neck in the Indian subcontinent, in a ceremony called Mangalya Dharanam (Sanskrit for '"wearing the auspicious"'), which identifies her as a married woman.Mangala sutra's origin dates back to the 6th Century AD. Mangala sutra is a social practice widespread in India, Sri Lanka, and Nepal.