CLAUDIA MA A PARAIBA TOURMALINE, ROCK CRYSTAL, CULTURED SEED PEARL AND DIAMOND BANGLECLAUDIA MA: A PARAIBA TOURMALINE, ROCK CRYSTAL, CULTURED SEED PEARL AND DIAMOND BANGLEDesigned as a hinged rock crystal bangle, set with a series of pear-shaped, marquise and oval-cut Paraiba tourmalines, each within a round brilliant-cut diamond frame, and spaced by blue topaz and seed pearl clusters, the reverse with pear-shaped and round brilliant and baguette-cut diamond and Paraiba tourmaline details; signed Claudia; estimated paraiba tourmaline and diamond weight 2.98 and 8.71 carats respectively; mounted in 18k white gold; inner circumference 15.2cmAccompanied by a GRS report stating that the natural tourmalines 'Cuprian-Elbaite' originate from Brazil (Paraiba or Rio Grande do Norte), greenish-blue (GRS-type 'Paraiba'-color), with indications of heat treatment. Report #GRS2022-048003, dated 1 April 2022. Claudia Ma:天然巴西帕拉依巴碧璽,水晶配藍色托帕石,養殖珍珠及鑽石手鐲帕拉依巴碧璽及鑽石分別共重約2.98及8.71克拉,手鐲內圍約15.2厘米,附GRS證書