Each piece has been cleaned and inspected every 6 months by Kay jeweler. Lab-Created Opal & Sapphire Ring With Topaz Sterling Silver-This gorgeous ring for her showcases an oval-cut, lab-created opal encircled with lab-created white sapphires. Styled in sterling silver, pairs of blue topaz decorate the sides to complement. Lab-Created Opal Bracelet Diamond Accents Sterling Silver- Oval lab-created opals luminesce between diamond-accented curlicues of sterling silver in this charming bracelet for her. The bracelet is secured with a lobster clasp. Colors in Rhythm Necklace Lab-Created Opal Sterling Silver-Gleaming sterling silver frames a lab-created opal that captivates as it moves, in this attractive necklace from Colors in Rhythm A pretty blue topaz further enhances the pendant, which suspends from an 18- inch box chain secured with a lobster clasp. Colors in Rhythm Lab-Created Opal Sterling Silver-Gleaming sterling silver frames a lab-created opal that captivates as it moves, in this attractive necklace from Colors in Rhythm A pretty blue topaz