Gold Rate in Saudi Arabia per Gram 22k. Current price in Saudi riyal of 24k, 23k, 22k, 21k, 18k gold in Riyadh (Asia) time (GMT+03:00). Gram in KSA is a standard unit for measuring the precious metals. Gold bullion bars are also measured in gram e.g., 1, 5, 10, 20, 50, and 100 grams. While the 10-gram gold bullion bar is the most common.