NO RESERVE BULGARI TREATED COLORED DIAMOND AND BI-COLORED GOLD NECKLACE

NO RESERVE BULGARI TREATED COLORED DIAMOND AND BI-COLORED GOLD NECKLACE
Butterfly-shaped treated yellow diamond, 18k yellow and white gold, circa 1970, signed Bulgari N.Y. Italy, maker's mark, numbered, beige Bulgari envelope pouch

GIA, 2023, report no. 2225948248: natural diamond, treated color

Size/Dimensions: 38.5 cm (15 1/8 in)
Gross Weight: 102.7 grams