All our pieces are handcrafted and hand cut from scratch. We use our own materials Sterling Silver which does not tarnish, is non allergic and has a unique white gold look finish; and 18ct gold which is a top gold alternative out there All pieces are also a solid, strong and thick 1.2mm. Handcrafted to Order check current ETA here. Using polishing cloths or jewellery cleaning liquids will only eat away at the top layer causing the base metal to show through. After you are finished cleaning, keep your jewellery stored away to prevent any damage or tarnish.