A&G marble are experience in fabrication, we are capable to produce various edges for our customers.  We can produce a choice of common edge profiles or designer's custom edge. 

In general, use 1 1/4" thick tops in kitchens and 3/4" tops in bathrooms.  Backsplashs and upstands are usually made by 3/4" thick stones.  The following are some common edges in 1 1/4" thick top.

Bullnose
Demi-Bullnose
Radius
Platner
Bevel
Ogee
Ogee Roundover
Dupont
Glue & Pin Aprons
Cove
Stair Tread
Straight Edge
Cove-Dupont
Double Cove
Cove Ogee
Full Bullnose
Hollywood Bevel
Reverse Ogee
Step Ogee

It is possible to make countertops by gluing 2 3/4" materials to create an upscale impression.  This tends to be more expensive than regular countertop due to the work involved.  These are some common edges in 1 1/2" thick top.

Laminated Bullnose
Laminated Bevel
Quirk Mitre
Laminated Mitre

The cost of countertops edges will depend on the chosen edge profile, the type of material, and the thickness of countertop.