Which is better for a single rose or a few short stems?

The Nuvola. Its 4-inch opening and 14 oz capacity are sized for a bud or two, and the narrow mouth holds stems upright.

Both are fragile. The Nuvola is dishwasher safe and easy to replace, while the Braid's porcelain and gloss glaze need hand washing to avoid wear.

Is the Braid worth stepping up to?

If you want a tall centerpiece that looks good empty, yes. If you just need a small vase for cut flowers, the Nuvola covers it.

Can I put the Braid vase outside?

No. It is rated for indoor use. The Nuvola is rated for indoor and outdoor use.

Which holds more water?

The Braid, by a wide margin. Its tall body holds far more than the Nuvola's 14 oz, so tall stems stay hydrated longer.

Are either of them handmade?

Yes. Both are described as handcrafted, so expect slight variation between pieces.

Nuvola Round Bud Vase vs White Ceramic Braid Vase

The Nuvola is a small, handcrafted Italian glass bud vase for a few stems or a single bloom. The White Ceramic Braid Vase is a tall, architectural porcelain tower that works as a sculptural piece with or without flowers. The Nuvola suits tight spaces and casual use, including the dishwasher. The Braid is heavier, glossier and more of a statement, but it is fragile and needs hand washing.

Choose the Nuvola Round Bud Vase if you want a compact, dishwasher-safe glass vase for short stems or a shelf accent.
Choose the White Ceramic Braid Vase if you want a tall, textured porcelain centerpiece that reads as sculpture on its own.

Prices

Nuvola Round Bud Vase: $54.00 at Elizabeth Lamont (last seen Nov 9)
White Ceramic Braid Vase: $49.99 at Amazon (last seen Nov 9)
Difference: the White Ceramic Braid Vase is $4.01 cheaper than the Nuvola Round Bud Vase at the latest prices (Nov 9)