April Birthstone Sterling Silver Cubic Zirconia Necklace The Vita Collection of Birthstones all with Genuine Gemstones are Designed by Amore Argento Eye-catching cubic zirconia sparkles like a diamond and is an item that won’t go back in the box. This faceted brilliant cut stone is round and will delight anybody who likes tasteful and glamorous pieces. An affordable luxury that delivers charm and elegance. Every piece of Amore Argento jewellery is perfectly presented in an attractive gift bag and box. Accompanied by the amore heart-shaped microfibre polishing cloth, this is the gift that will always be treasured. This necklace is 6.5mm diameter with a 4mm round cubic zirconia.