Started by David Mouawad in 1890 and still going strong, the jeweler Mouawad is no stranger to reinvention but a pairing with Victoria's Secret, arguably the world's most recognizable lingerie company, was possibly its most bold.

Since 2001, Mouawad has produced the show-stopping, gem-studded "fantasy bras" and other lingerie for Victoria's Secret's high-profile annual runway show. Click ahead to see the glitziest of Mouawad's creations for the U.S. underwear brand.

—By Justin Chan | Special to CNBC

Painstakingly handcrafted from 18K gold, this floral design features 1,150 ruby roses and 1,600 emerald leaves.

This lingerie set features a 70-carat diamond pendant, the second-largest of its type in the world, which won it a Guinness World Record as the most expensive piece of lingerie ever made.

One of the most expensive designs Mouawad has created, this bra features 2,900 pave-set diamonds, 22 rubies and a 101-carat diamond set in 18K white gold.

The Royal Fantasy Bra and matching belt feature more than 4,200 precious gems including rubies, diamonds and yellow and blue sapphires.

Handset in 18K gold, the bra's centerpiece is 52-carat, pear-shaped ruby.

The Dream Angels Fantasy Bras took 1,380 hours of work by Mouawad's jewelers, which involved hand-setting diamonds, rubies, sapphires and multi-colored gemstones, strung together with 18K gold.

This jewel-encrusted bra and matching belt took more than 685 hours of labor and is hand-set with 6,808 precious gems totaling 1,300 carats, including diamonds, blue topaz, yellow sapphires and pink quartz, set in 18K gold.