Since its inception, Gelin Abaci has made a name in the industry as the premier designer of Tension Set jewelry, engagement and wedding rings in the United States. Gelin Abaci is committed to designing and manufacturing unique styles offering superb beauty, elegance and quality. All Gelin Abaci Tension settings allows the maximum amount of light to pass through the center stone, creating brilliance that is superior to all traditional settings (prong, bezel, channel etc..) As a Gelin Abaci authorized dealer, Harold Steven’s Jewelers is proud to present San Diego with a beautiful collection of tension set styles.