A modern ruby and diamond ring, featuring one claw set heart shape ruby of reported origin Mozambique, weight 4.30 carats, accented by two heart shaped diamonds of estimated total weight 0.60 carats, surrounded and accented by approximately one hundred and twenty-two grain set round brilliant cut diamonds of estimated total weight 1.00 carats. 18ct yellow and white gold. Total weight 16.20 grams. Ring size M. GRS Gemstone report. In less than a decade, Mozambique has become the world's most productive source for gem-quality ruby. Since the discovery in 2009