INFO... Engagement Ring with initials.........

[Sherlock]

Hi. Does anyone know what the initials "CAS" followed by a number "H4219" would indicate??? It's on the back of a diamond engagement ring I have. p.s. No Jewelery Store in town recognizes the mark which has me baffled - is the number a serial number or what?

Thanks.

 

[denverappraiser]

That''s probably the manufacturers mark, called a hallmark and their style number.

Neil Beaty
GG(GIA) ISA NAJA
Independent Appraisals in Denver