Seventeen blue sapphires of fine quality set in a beautiful gold setting. You will stand out in any crowd! This is an eye catching piece! The center navy blue sapphire is 3.71mm. This ring has 16 sapphires of good quality ranging from 2.31mm to 3.51mm. This ring is set in 18kt gold, acid tested, not marked. This ring has a height of 1/2". The rings diameter is 3/4".