18K white gold, 0.5 ctw G/H SI diamond halo studs from Brian Gavin Diamonds. These studs have a finished diameter of ~5.6 mm. These earrings are out of stock on the BGD website, but can be viewed here: http://www.briangavindiamonds.com/diamond-earrings/studs/diamond-halo-studs-18k-white-gold-5469w18 The original box and the original (very solid) earring backs are included. Additional photos available here: http://www.pricescope.com/forum/post3679956.html#p3679956 Please add $25 for shipping and paypal fees. US buyers only, please. Please feel free to ask questions. I'm a private seller, so all sales are final.