pori jewelers genuine platinum 950 solid diamond cut franco/square box chain necklace -1.0mm (16) pori jewelers this beautiful square box link /franco chain pendant necklace is beautifully crafted in genuine platinum and it secures with a lobster claw clasp. a diamond cut high polish finish is featured in this platinum franco chain necklace and it is a charming piece by itself that adds shine to your every day style or wear it with a platinum pendant, white gold pendant .... 16"-2.65g 18"-3.3g 20"- 3.6g 24"-4.1g