Elegano.com

Platinum Channel Set Round Diamond and Sapphire Ring ($1,200).

This beautiful ring alternates six sparkling round diamonds with six brilliant blue sapphires.

The gems are suspended in a channel to create an elegant, lustrous appearance.

Gemstone: Conflict free diamond 
Shape: Round
Number of gemstones: 6
Minimun total carats: .15
Origin: Canada
Setting type: Channel
Clarity: VS2/SI1
Color: F/G

Gemstone: Ethically sourced sapphire
Shape: Round
Number of gemstones: 6
Minimum total carats: .2 
Origin: Australia
Setting type: Channel
Clarity: Eye Clean
Color: Medium to Intense Blue

More at: http://www.brilliantearth.com/rings/blue-sapphire/womens-sapphire-rings/view_detail/4833/?path=/rings/blue-sapphire/womens-sapphire-rings/