Ring size 16.25mm, Australian letter K-L

Items in lot marked as gold are, the small white gold Masonic pin with single diamond and blue enamel infill, marked 14k and weighs .37grams (not including steel fastening back); The 10ct rose gold enamel and seed pear decorated American university lapel badge weighing total 1.75grams; The 1964 American university ring marked 10k, total weight 9.45grams; The Freemasons California blue enamel infill pin marked 14K weighing 3.3grams (not including back); The Masonic cufflinks with pointer set square and seed pearl decoration, unmarks but containing 10ct gold elements and weighs 15.6grams total for the pair (how much is gold weight?); The filigree ring with blue/grey stone unmarked but appears to be gold and weighs 14.4grams ; The Gruen wristwatch marked 14ct, (case only) weight total including movement, glass, and strap 29.9grams.