Christie’s will offer a jadeite bead necklace that could fetch up to $11 million at its upcoming Hong Kong auction.

A number of colored diamonds will also be up for sale at the May 25 Magnificent Jewels sale, Christie’s said Monday. A ring by Moussaieff featuring a 3.06-carat, fancy-vivid-blue diamond and a pink, internally flawless diamond is estimated at up to $7.5 million, while a 13.32-carat, fancy-intense-orangey-pink, VVS1-clarity diamond ring could garner up to $4.8 million. Another fancy-intense-orangey-pink diamond ring, weighing 7.33 carats, carries a price tag of $1.5 million to $2.3 million.

Other notable items include a 36.15-carat, D-flawless, type IIa diamond with a presale estimate of $3 million to $4.5 million. A pair of diamond solitaire earrings, which features 15.59-carat and 15.12-carat, D-color, internally flawless, type IIa diamonds, is set to go under the hammer for up to $3.8 million.