Antique Edwardian 18ct Gold Ruby and Diamond Ring

2 Rubies, diameter: 2 @ 3.0mm, weight: 0.20cts
3 Diamonds, diameter: 1 @ 3.2mm, 2 @ 2.15mm, weight: 0.20ct, clarity: SI, color: G
Ring weight: 2.9 grams, width: 6.1mm, height: 3.5mm, size: N 1/2