YES! LIL's jewels are handmade in solid gold only. They are in 9 or 18 carat gold as you can see in each product page (details section). In your LIL box you will find a 2 years warranty certificate and the gold title. 

Choker: we suggest using a meter or download this chart.
Rings: you can order LIL Ring Sizer (Free Shipping for national orders. The cost will be reimbursed at the following purchase) or print this chart. If you are ordering from abroad check out the international size chart.

From Italy: yes. Exchanges and returns are free within 14 days from the delivery of the package. 
From EU: yes. Exchanges and returns are accepted within 14 days from the delivery of the package, the cost of shipments is stated in this chart.
Unfortunately we cannot accept exchanges or returns from the rest of the world. We are sorry. Please read our Terms and Conditions here.