Trilogy Natural Sky Blue Topaz Silver Ring. The three stones symbolize the past, present (center stone), and future. 

Main Stone: Sky Blue Topaz 3,53ct (Total)
Metal: Solid 925 Sterling Silver
CertificateType: NGSTC
Setting Type: Prong Setting
The ring is OFFICIALLY CERTIFIED and HALLMARKED Sterling Silver .925 of Highest Quality, comes in Gift Packaging.