The Blue Moon Diamond gives new meaning to the meaning "once in a blue moon": the 12-carat blue diamond isn't just rare, but it's only in Los Angeles for a limited period of time.

No one ever really needs an excuse to drink margaritas but if you do, just use National Guacamole Day, which we're celebrating today, Sept. 16. Whether blended or on the rocks, nothing pairs better with guac than margs. If you're looking for the best places for margaritas in San Francisco, this haute list is a good start:

Do you want your dinner, dessert or drinks with a cool visual kick? If so, liquid nitrogen is the way to go. Bars, restaurants and even ice cream shops are popping up around Los Angeles that utilize LN2, which creates a cool (pardon the pun) visual spectacle as steam rises from the sub-zero temperature gas. We have to give a special nod to L.A. newcomer Barton G., who doesn't just have one menu item using this molecular gastronomic trick, but has an entire bar devoted to it.

Yannick Benjamin, one of NYC's best sommeliers, shares his top four wine picks for the season.

Online consignment store "TheRealReal" is changing the way we shop for designer fashions and accessories.

When you want to see Las Vegas, it’s best to head to the rooftops. Fans of desert vistas at sunset and 15,000 miles of neon look up to the highest perches in the city for jawbreaking, picture-perfect views. Want to head upward? Here’s a look at the top five views of Las Vegas. Some of them are not meant for those with a fear of heights.

Boost your outfit with one simple accessory. These pocket squares will have you looking like that dapper dressed man you truly are.

Luxury fashion retailer, Boutique 1 Group, is set to open the first ISABEL MARANT flagship store in the Gulf region.

Ignazio R. Marino, Mayor of Rome, talked trash on his recent visit to San Francisco, where he loves the sushi but stays away from the Italian food. He also told Haute Living what he really thinks about California wine.

You wouldn't want to miss out on one of fashion's coolest and most flattering trends, would you? We didn't think so.

Photo Credit: Getty ImagesHollywood headed to Malibu on Sunday for the 28th Annual Nautica Malibu Triathlon, presented by Equinox, which saw over 5,000 participants swimming, biking and running side-by-side for a cause; the event raised more than $1.35 million for Children’s Hospital Los Angeles’ Pediatric Cancer Research Program.

All eyes are on A. Lange & Söhne this year, as the brand gets ready to celebrate the 20th anniversary of the Lange 1.

Gourmet seasonings to spruce up any meal

This year the legendary watchmaker François-Paul Journe unveiled his first-ever ladies' timepiece, the Élégante. Combining F.P Journe's traditional pared-down aesthetic with a unique new horological concept, the Élégante marks a deft debut into the women's watch market.

Members of L.A.'s elite art scene came together to toast the opening of Doug Aitken's "Still Life" exhibition at Regen Projects, followed, of course, by an even more intimate dinner at Chateau Marmont.

Jon Secada, Star Jones, Laurie Jennings and Julian Chang will all be part of Dress for Success' Fab 20th Anniversary Gala next month.

Spoil yourself with a weekday New York breakfast that might make you switch your regular brunch date.

A roundup of the world's most outrageous and innovative architectural designs of homes around the globe.