For those seeking a really individual take on the traditional diamond solitaire engagement ring this emerald and 065 total carat weight diamond set cluster engagement ring in 18 carat rose gold is as stunning as it is gleaming and luxurious the oval cut central emerald is surrounded by delicate diamond set petals and the flower shape is genuinely romantic the incas and aztecs in south america viewed the emerald as a holy stone and to modern couples the deep green of the precious gemstone