Since meeting when we worked in the London Diamond Bourse, the team behind Ostara London has been offering our customers the highest quality diamonds and craftsmanship. Our lab grown diamonds are the very best standard and we are passionate about bringing these to your jewellery collection. We handcraft our bespoke pieces in 18ct gold and platinum, this means your jewellery has the ability to last a lifetime. We've all heard of 'fast fashion' - why is it any different for jewellery? Choose made, not mined and own lab grown - it's better for everyone.