The Friendship Necklaces in 14kt Yellow Gold feature 1 Pear Shape Gemstone (4x6 mm) and 6 Round Diamonds totaling 0.21 carats (3 mm). The necklace weighs 2.01 grams and is 16 inches adjustable. Blue Topaz is 0.51 carats, Amethyst is 0.38 carats, and Pink Sapphire is 0.21 carats. A perfect high jewelry gift for Mom, a girlfriend, a daughter, birthdays, or Christmas.