H. STERN: A LARGE 18K GOLD AND BLUE TOPAZ 'GRUPO CORPO' RING The circular-cut blue topaz set 'en tremblant,' weight 22.0 dwt, maker's mark for H. Stern, size 7 1/4, measures 1 5/8 x 1 3/8 in. Footnotes: This collection was inspired by the Brazilian dance troupe Grupo Corpo, expressing movement and ethereal forms. For further information on this lot please visit Bonhams.com For further information about this lot please visit the lot listing