The pendant is 20mm north to south and 10mm east to west.  The Natural Pear cut Deep Sea Blue Topaz is approx 1ct.  The Chocolate and Nude diamonds total approx 1/8ctw.  The diamonds and topaz are the typical high quality stones Levian is known for. The chain measures 18". It is fully hallmarked, has been tested and verified.   It weighs 4.1 grams.   Comes from a clean, smoke-free home.