- Blue Sapphire & London Blue Topaz Necklace - A stone of prosperity, Sapphire sustains life force and attracts joy and peace. Sapphire helps to open the mind to beauty and intuition. Sapphire is a stone of wisdom, with each color containing its own unique energy vibration and information. This necklace is made with geometric shape of Blue Sapphire, and London Blue Topaz Briolette drop. Of course, it will make a perfect gift! Gemstone: London Blue Topaz (11x5mm) Blue Sapphire (approximately 4x2mm) Length (of Necklace): Please select (Mannequin is wearing 16 inch) (6cm(2.5 inch) drop including London Blue Topaz Briolette) All the components are Sterling Silver.