Yes: glamorous. I love to incorporate it into design projects, and Murano glass lamps are always good sellers in my shop. To me, lamps, sconces and chandeliers are the jewelry of a room.

According to Tirath Kamdar, the general manager of luxury at eBay, sales for Murano glass products in the retailer’s watches and jewelry category are up nearly 200 percent since this time last year.

The range and depth of those colors, along with the level of artistry, help authentic Murano glass stand out from mass-produced versions from China. “What we need is variety,” said Ferro ...