Ray-Ban RB3025 Large Aviator - Julia Roberts - Eat, Pray, Love
Julia Roberts wears Ray-Ban 3025 Aviator sunglasses in the film Eat, Pray, Love
photo © Columbia Pictures
Ray-Ban 3025 with Black frame, Gray Green lenses (code 002)
photo © Ray-Ban

Actress Julia Roberts, as Elizabeth Gilbert, wears Ray-Ban 3025 Aviator sunglasses in the film Eat, Pray, Love

The exact color of the Ray-Ban sunglasses that she is wearing is Black frame and probably custom lenses (maybe polarized), color-code 002.

The Ray-Ban RB3025 Aviator is available in several sizes and color combinations. 

Get the classic Ray-Ban RB3025 Aviator with black frame at the official Ray-Ban website, on Amazon.com or take a look on eBay.

Reference: Ray-Ban RB 3025 - Color: Black frame, Gray Green lenses (code 002)