The stunning Mini Bubble ring is made in 10-karat solid gold with a braided ring shank and is set with a cabochon-cut Turquoise gemstone in prong settings. The ring belongs to the Bon-Bon collection inspirered by gemstones cut like sweet candy. Turquoise is December's birthstone and is a unique, opaque gemstone with sky blue, blue-green, and green colors. Turquoise symbolizes friendship, love, serenity, wisdom, and positivity and is said to protect travelers during journeys. Jewellery with Turquoise is also traditionally given for 11th and 21st wedding anniversaries. Material: Gold Karat: 10K Stone: Turquoise Number of Stones: 1 Stone Setting: 4 Prong Dimensions: Gemstone size: 4x4 mm Does it come with certificate?Yes Can the piece be engraved? No