EARRINGS SIGNATURE MIDI STUDS SKY BLUEDEAN DAVIDSON Dean Davidson's best selling earrings, worn by Meghan Markle. The Signature Midi Knockout Studs feature multi faceted, brilliant cut gemstones that make an impact for both day and night. Gemstone: Iridescent Sky Blue (man made). This soft blue synthetic gemstone is handcrafted as a doublet, a technique that lends it extra iridescence through a mother of pearl backing. Metal: DD Signature Brushed Gold Plated Over High Quality Brass.