Shop SILVER PEBBLE - SUGARLOAF & CUSHIONSilver Citrine Cushion ring. 127-SIL-CIT-CUSH Silver Citrine Cushion ring. 127-SIL-CIT-CUSH € 395.00 10mm Silver cabochon Citrine Cushion pebble ring Finger Size N - other sizes available. This beautiful cabochon gemstone measures 10mm x 10mm approximately.