Shop › 925 3mm Australian Opal Studs Image 1 of 2 Image 2 of 2 925 3mm Australian Opal Studs £44.00 By Tegen Jewellery Handmade in Cornwall Add To Cart Added! By Tegen Jewellery Handmade in Cornwall You Might Also Like 925 Urchin Ring £95.00 925 4mm Pink Sapphire Bijoux 18mm Midi Hoops £87.00 925 Limpet Midi Stud Hoops £107.00 9ct Yellow Gold Urchin Ring £245.00 925 Granulation Circle & Turquoise Drop Shell Stud £32.00