It's been awhile since I checked but our 10' island was going to have to have a seam, so we decided to go with something else. What are the dimensions of your island?

Silestone slabs come in 2 sizes; 120 X 55 (119 X 54 usable) and 128 X 63" (127 X 62" usable).

a given color may be available in only one size or both. theres no way to know without asking the distributor.

I am a Silestone fabricator so I deal with this issue every day.

Thanks. I discovered that the website says "jumbo slabs usually available" for some colors in the little symbol key underneath. The color that I like best does not have that little symbol, natch. I think that we need to shrink the island down. We actually are dealing with a house that has an addition which resulted in an overly large kitchen! The previous owners had 7 children ( not raised in this house!) which is 7 more than we have.

A seam in quartz is NOT a big deal if done by a good fabricator. Just ask to see your potential fabricator's seams if the larger island would work best in the space.