The Luminous Gold Blue Topaz Earrings by Lily Blanche. Luminous is a stunning collection of single gemstone cocktail rings and earrings in three precious metals. These blue topaz gemstone earrings have fabulous colour and clarity. About The Designer: Based in her studio in Stirling, creative director of Lily Blanche, Gillian Crawford takes inspiration from her grandmother. Lily Blanche jewellery is imbued with meaning and hidden secrets, creating heirlooms of tomorrow from the conversation pieces of today. Charming, adventurous, authentic & stylish, every piece is designed to surprise & delight. To find out more about the designer, please visit Lily Blanche.