Sapphire and Diamond Ring in 18k Yellow and White Gold. The centrepiece is a blue sapphire weighing approximately 1.00 carat, securely set in a four-prong setting. The sapphire is flanked by baguette-cut diamonds with a total weight of around 1.00 carat. Any additional costs or fees, such as customs duties, import taxes, or customs clearance and handling fees, are the buyer’s responsibility.