Jewels

MARGHERITA BURGENER;AN AQUAMARINE, PINK TOURMALINE AND DIAMOND-SET RING;the square French-cut aquamarine within a brilliant-cut diamond surround to th

A PAIR OF DIAMOND AND GEM-SET EARPENDANTS AND RING;of interlocking openwork squares, each set with lines of circular-cut rubies, sapphires, emeralds,

AN UNUSUAL SPINEL AND DIAMOND PENDANT NECKLACE;the large cabochon spinel pendant with diamond-set surmount and faceted spinel and diamond tassel to th

MARGHERITA BURGENER;A PINK TOURMALINE, ONYX AND DIAMOND-SET CLUSTER RING;the flowerhead centrally-set with an oval pink tourmaline to the black onyx p

A SAPPHIRE AND DIAMOND-SET CLUSTER RING;the oval mixed-cut sapphire within a two row surround of brilliant-cut and baguette-cut diamonds <b>No...

MARGHERITA BURGENER;A CITRINE, SAPPHIRE AND DIAMOND-SET RING;the faceted oval citrine within a scroll to the top and bottom, spirally-set with bands o

A PINK TOURMALINE, ONYX AND DIAMOND-SET PENDANT;the ovoid pink tourmaline cabochon within a diamond-set surround with onyx detail, diamond-set suspens

AN ART DECO DIAMOND AND SAPPHIRE BROOCH/PENDANT;designed as an articulated swaged tassel set with calibre-cut sapphires and brilliant-cut and eight-cu

A SAPPHIRE AND DIAMOND-SET CLUSTER RING;the oval mixed-cut sapphire within a surround of ten old brilliant-cut diamonds <b>Notes: </b>

A CULTURED PEARL AND DIAMOND-SET BRACELET;the three rows of 6.00 mm cultured pearls with five diamond-set bar spacers to the cultured pearl and single