Implant Grade Titanium Earrings Pierced Universe Ti2 Titanium 6mm Natural Star Polished Stud Earrings Forum Jewellers Ti2 Titanium Dolphin Dark Blue Stud Earrings Forum Jewellers 2mm Titanium Earrings Studs Etsy. A Tiny Dome stud earring. Diameter 6mm Hypoallergenic Pure Titanium Other colours available to order Delivery times will vary depending on the piece. Please call 0115 9859 856 or email us using the Contact Us tab and we will provide an estimated delivery time for you. If you choose to place the order through the website without contacting us, we will still call or email you with the estimated delivery date to ensure you are happy with the timescale.