Get ready to dazzle with this stunning simulated blue sapphire necklace, a true masterpiece of color and brilliance! 18K Gold Overlay. It features 4mm Diamondettes. 18" Comes in a gift pouch or box Diamondette is a lab-created stone simulated to look like diamonds. Diamondette is essentially a high-quality cubic zirconia designed to resemble a real diamond's look but at a significantly lower price point