Is a lab-grown diamond a real diamond?

Yes. It is chemically and optically identical to a mined diamond, just grown in a lab. Only a gemologist's equipment can tell them apart.

What do VVS1, D and excellent cut mean?

VVS1 means very, very slightly included, with flaws hard to see even under magnification. D is the highest colorless grade. Excellent cut is the top cut grade and drives the sparkle.

How does it compare with a mined diamond of the same size?

It looks the same to the eye at the same grades and costs much less. The trade-off is resale: lab-grown stones hold little resale value, while mined stones retain more.

What metal is the band made of?

The listing does not state the metal. Confirm whether it is gold, platinum or silver before buying, since that affects durability and skin sensitivity.

Will a 2 carat stone suit everyday wear?

It is a large, high-set stone, so it can catch on clothing and gloves. Many people wear it for occasions and choose a lower-profile setting for daily use.