A rare 15-carat yellow diamond ring could fetch US$1.2 million at auction this spring

The fancy vivid stone, which is set on top of a blingy ring, will go under the gavel at Phillips on 28 March 2024

Phillips wants to help brighten up your jewellery box.

The auction house is offering a dazzling selection of coloured diamonds and gemstones at its Hong Kong Jewels sale on 28 March 224. Such rarities continue to be go-to investments and are thus in high demand. The spring sale will include some of the finest Burmese rubies, Colombian emeralds, red spinels, and Paraiba tourmalines, according to Phillips. Vintage signed pieces by names like Van Cleef & Arpels, Cartier, and Bulgari will also be up for grabs. The star of the show, however, is a 15.51-carat fancy vivid yellow diamond (pictured top).

Positioned between two white diamonds on top of a ring, the mesmerising stone has a round brilliant-cut style that is uncommon with coloured diamonds due to the high waste of raw materials it causes. As such, this particular piece is considered extremely rare. So much so that it is estimated to hammer down for between US$950,000 to US$1.25 million at the auction.

Left to right: Fancy vivid purplish pink diamond ring; Van Cleef & Arpels turquoise and diamond necklace. Photo by Phillips

The sale will spotlight two other coloured gems that are set on rings, too, including a 1.38-carat fancy vivid purplish pink diamond (estimate: US$425,000 to US$560,000) and a 2.65-carat fancy intense orangey pink diamond (estimate: US$300,000 to US$400,000).

Other brightly hued highlights of the auction include a breathtaking bracelet adorned with 24.59 carats of Burmese rubies and diamonds (estimate: US$230,000 to US$300,000) and a pair of Harry Winston earrings featuring 10.05 carats of Colombian emeralds (estimate: US$120,000 to US$180,000). In addition, a striking Mozambican Paraiba Tourmaline and a luxe 10.32-carat Burmese Res Spinel will go under the gavel.

Harry Winston earrings with Colombian emeralds (left); Burmese ruby and diamond necklace (right). Photo by Phillips

As for signed jewellery, collectors can bid on an eye-catching Van Cleef & Arpels turquoise and diamond necklace circa 1985 (estimate: US$110,000 to US$150,000) and an Art Deco-style Burmese ruby and diamond bracelet by Cartier that feels straight out of a Bridgerton scene (estimate: US$40,000 to US$52,000).

Highlights from the auction will be exhibited in Hong Kong from 20 to 28 March 2024. You can visit the Phillips website to peruse the full catalog.

This story was first published on Robb Report USA