A classic Ruby and Diamond trilogy ringA traditional three stone ring. The centre gem a square cut ruby 5x5mm (est 0. 98 carats) raspberry red colour and good clarity Each side a brilliant cut white diamond 0. 25 carats, colour H i, clarity Si. Head tests as platinum 12. 5x5. 3mm , platinum lipped shoulders. Band tests as 18 carat yellow gold. Period assumed 1960 1970. No hallmark required for this period. Weight 2. 3grams Size J 1 2, we can resize free of charge.