A dazzling array of colored diamonds and rare gemstones will headline Bonhams’ upcoming Jewels and Jadeite sale in Hong Kong on May 22, with standout pieces expected to fetch up to HKD 5 million ($640,000).

Leading the sale is a striking pink diamond ring featuring a 1.08-carat, fancy vivid pink, internally flawless diamond. The modified shield brilliant-cut stone is mounted in a contemporary setting and surrounded by 13.90 carats of round brilliant and tapered baguette-cut diamonds.

Also among the top highlights:

• The Kat Florence Lumina, an unmounted 181.61-carat cushion-cut greenish-blue Paraiba-type tourmaline, shares the spotlight with the pink diamond, both carrying an estimate of HKD 5 million ($640,000).

• A pair of ruby and diamond earrings by Harry Winston, with center rubies weighing 6.98 and 6.96 carats, is expected to fetch up to HKD 3.8 million ($490,000).

• A ruby and diamond fringe necklace, showcasing 44 oval Burmese rubies totaling 49.09 carats and a prominent pendant ruby, could reach HKD 2.8 million ($360,000).

• A 7.03-carat fancy vivid yellow diamond ring, internally flawless, is estimated at HKD 2.5 million ($320,000).

• A Cartier panther bracelet, set with 18.10 carats of diamonds, 12 carats of sapphires, emerald eyes, and an onyx nose, also carries an estimate of HKD 2.5 million ($320,000).

• A 15.06-carat orange-red Tanzanian spinel ring, flanked by diamonds, may achieve HKD 2 million ($260,000).

Rounding out the top lots are several vibrant yellow and Paraiba tourmaline rings, each estimated between HKD 1.5 million and HKD 1.9 million ($190,000–$240,000).

Renowned names such as Harry Winston, Cartier, and Bulgari will be represented, offering collectors a rare chance to acquire exceptional pieces from leading design houses.