their explanation 14K Yellow Gold 8.75 CTS Blue Topaz Diamond Necklace Pendant – Very impressive 14K yellow gold pendant with a large, crisp, Blue Topaz center surrounded by sparkly natural diamonds. The topaz is 8.5 carats and exceptionally clean with incredible vibrance, color and flashing! Size is 1″ tall including bail north to south by 5/8″ wide across the widest part east to west. Depth is just over 3/16″. Weight is 3.6 grams. Gemstone size is 15m by 9m. Cut is pear shape. Color is vivid light blue with hints of aqua, teal and violet flashes. It is extremely clean and crisp. Diamond accents are bright, white and sparkly a diamond carat gem weight of .25 carat thereby making the total carat gemstone weight 8.75 carats. Condition is very gently used and handled with care. Just add a chain and you will have a super pretty Swiss Topaz dangle pendant necklace. The color is gorgeous on this one!!