Tropicalia 18-karat yellow gold necklace, $5,610 at Net-A-Porter (sold out)
From the Net-A-Porter website:
"18-karat yellow gold chain necklace with watermelon pendant. Carolina Bucci necklace has pink and green gemstones on pendant and a lobster clasp to fasten to neck."
See the rest of this & other Carolina Bucci collections here.