These dark blue sapphires look lovely in this yellow gold filigree vintage pendant.  This pendant has an oval cut blue sapphire that is decorated by twelve round dark blue sapphires.  These thirteen blue sapphires are mounted in a 10kt yellow gold filigree mounting.

Blue Sapphires: One oval center blue sapphire, opaque, measuring appx 1.21 carats, 7.45 x 5.06 x 3.83mm, color dark blue
Twelve round dark blue sapphires, opaque, measuring appx 0.48 ct tw
Total blue sapphires: appx 1.69ct tw
Measures: H 1 1/8", W 5/8"
Weight: 2.6 Grams
Hallmarks: CI 10KT