David Yurman has named Gisele Bundchen as the new face of the company for its 2012 fall campaign.

Italian-born New Yorker Alberto Petochi recently launched 1884 Collection, combining ancient Roman coins and sterling silver to create an original-yet-romantic look that offers day-to-day wearability.

Konstantino jewelry boasts intricate, culturally inspired pieces in sterling silver, often with gold and gemstone accents, offering a major look with each piece.

An executive whose resume includes marketing and branding work for retailers such as Esprit de Corps and Eddie Bauer is the new chief marketing officer of Blue Nile, the company announced.

Marketing of platinum engagement rings and wedding bands to young couples helped to buoy North American demand for the metal last year, Johnson Matthey reported in “Platinum 2012.”

Christie’s three auctions of jewelry and watches here in May achieved a combined total of approximately $142.8 million, with multiple world record prices set for rare jewels and important watches.

Sotheby’s combined sale of Magnificent Jewels and Noble Jewels held here from May 14-15 achieved a total of $108.4 million and was highlighted by the sale of the Beau Sancy, one of the most important royal diamonds ever to come to auction.

Three Italian jewelry-related organizations have collaborated to launch the Enrico Cirio Talent Award, an international jewelry design competition aimed at young, aspiring goldsmiths that pays tribute to the late designer Enrico Cirio.

Sotheby’s May 14 auction of jewels from the personal collection of the late Suzanne Belperron achieved a total of $3.5 million, with 100 percent of the sale sold by lot and value.

This year marks the 100th anniversary of Universal Pictures, and multi-media retailer HSN is helping the studio mark its centennial with a collection of fashion jewelry inspired by some of the most iconic films of all time.

A panel of style and design experts will present the “Objects of Desire: Lessons from Leaders in Jewelry, Fashion and Style” at the Women’s Jewelry Association’s Metro Chapter 2012 Spring Fling, to be co-hosted with Veranda magazine May 16 here.

Fred Leighton will be introducing The Fred Leighton Collection at Couture, which will have limited and exclusive distribution available to a select group of retail partners.

Newly established Hong Kong auction house Tiancheng International will hold a spring sale of Jewellery and Jadeite at the company’s office here on May 27, and is expecting the lots to total approximately $51.6 million.

It’s real, it’s spectacular and it garnered more than half a million dollars at Heritage Auctions’ April 30 jewelry sale here.

Couture has released its annual digital look book, showcasing marquee designs from participating exhibitors as well as providing information about the show, which is scheduled for May 31-June 4 at the Wynn Las Vegas.

The Silver Promotion Service has added four designers to its International Designers of Distinction category, part of the Savor Silver program.

The Vicenza Fair will host Vicenzaoro Spring from May 19-23, with exhibitors displaying the latest trends in gold and jewelry aimed at Italian and international retailing.

Christie’s Geneva will hold its spring sale of Magnificent Jewels here on May 16, offering more than 340 lots that are expected to total more than $50 million.

Christie’s will offer the largest round fancy intense pink diamond to ever appear at auction on May 29 here at its sale of Magnificent Jewels.

Chains of Silver, an exhibition of Israeli silver materials relating to Judaism, has opened at Ramat-Gan's Harry Oppenheimer Diamond Museum and will run through April 16.

Bonhams sale of Fine Jewelry here on April 19 achieved a total of $4.6 million, with strong prices seen for diamond solitaire rings and estate jewelry.

Sotheby’s sale of Magnificent Jewels here on April 18 achieved a total of $43.2 million, surpassing its pre-sale high estimate of $31.1 million and marking this auction as the highest-ever total for a spring sale of jewelry at Sotheby’s New York.

Designer brand Ippolita is slated to open its first store this September here on Madison Avenue between 67th and 68th Streets in the space formerly occupied by Italian jewelry brand Damiani.

Christie’s auction of Magnificent Jewels here on April 17 achieved a total of $70.7 million, and included the sale of the most valuable pink diamond ever sold in the U.S. market at auction.

Rings containing Kashmir sapphires and one with a Colombian emerald are among the highlights of Heritage Auctions’ April 30 Fine Jewelry Auction.