ROBERTO COIN 18K YELLOW GOLD CHAIN 1-STATION 0.1ctw DIAMOND BY THE YARD NECKLACE. ROBERTO COIN 18K YELLOW GOLD CHAIN 1-STATION 0.15ctw DIAMOND BY THE YARD NECKLACE. This is an authentic Roberto Coin 18KT yellow gold chain with 1 stationed diamonds necklace. Item total weight is approximately 1.94 grams and measures approximately 16.5 long. The diamond…