18" Natural Labradorite 26ct. Necklace with 2" Extender in Sterling Silver- Free Gift Box The gemstones span 170 mm in width with a hanging length of 36mm. Weighing over 18 grams.* Necklace is 18" with a 2" extender to vary the necklace length. The total necklace length is 20". The labradorite stones are excellent quality and placed perfectly for a beautiful look. The teardrop labradorite stones measure 10mm x 7mm and the circular stones measure 6mm in diameter.* Free Silver Gift Box with Purchase. Handmade, Polished Finish, Excellent Quality, Meticulous Detail.