You choose Armenta for the deeper significance of each piece, but it doesn't hurt that the effervescent green turquoise of this enhancer will bring out the light in your eyes. Not only visually enhancing, the turquoise is often given as a gift of friendship#151;for the stone is believed to aid in faithfulness and constancy in relationships. From the Heraldica Collection. Round-cut green turquoise with faceted clear quartz overlay. Four Cravelli cross prongs with white diamond quatrefoils. 18-karat yellow gold rope and and bezel-set black diamonds. Turquoise and white quartz, 18.69 total carat weight; approximately 1/2"Dia. White diamonds, 0.06 total carat weight. Black diamonds, 0.6 total carat weight. Please note: Chain, shown, sold separately.