Antique 18ct Gold Diamond and Sapphire Boat Ring

This is a beautiful antique 18ct gold diamond and sapphire ring. The ring has been made from solid 18ct yellow gold with a long ‘boat’ shaped setting. In the setting sit five diamonds and eight sapphires.
The diamonds are old mine cuts and have been claw set.
The sapphires are baguette cut and have been set with a milgrain edge.
This ring has 18ct yellow gold shoulders and shank.
There are stamps in the shank, but they are unreadable.

Diamond weight: 0.50ct approx.
Tested: 18ct gold
Dated: circa 1910
Weight: 2.2 grams
Measurements: ring head 4mm wide approx. at the widest point.
UK size: N
US size: 6 3/4