Are lab-grown diamonds real diamonds?

Yes. They are chemically and optically identical to mined diamonds, just grown in a lab. They rank 10 on the Mohs hardness scale, so they wear the same way.

How big are 0.50ct total studs?

The pair totals 0.50ct, so each stone is about 0.25ct. At roughly 4.2mm across, they sit close to the earlobe and read as a neat everyday size.

Will sterling silver irritate my ears?

Sterling silver is fine for most people, but it contains copper and some wearers with metal sensitivity react to it. If you know you react to silver, white gold is the safer choice.

How do I keep the silver from tarnishing?

Store them dry and airtight, and wipe them with a soft cloth after wearing. Avoid perfume, chlorine and lotions on the metal. A silver polishing cloth restores shine.

What is H/SI clarity?

H is a near-colorless grade and SI means slightly included. At this size the inclusions are usually not visible to the naked eye, though a jeweler's loupe may show them.

Can I wear them every day, including to sleep?

The size suits daily wear, but prong-set studs can catch on pillows and hair. Many owners take studs out at night to protect the setting and the earlobe.