1980s S.L. Osborne 10K Yellow Gold 3-Stone Trilogy Ring Size 4

This is a stunning 1980s "Past, Present, Future" trilogy ring manufactured by the renowned Canadian jeweler S.L. Osborne (marked SLO). Known for their high-quality craftsmanship and substantial gold settings, this ring features a massive 10mm center stone and two 6mm side stones, totaling approximately 5.00 carats of diamond-equivalent brilliance. The stones are secured in a robust 10kt yellow gold multi-prong setting with a classic tapered shank. This is a rare size 4, making it an ideal choice for petite fingers or a high-end pinky ring without the need for resizing. Manufacturer: S.L. Osborne (SLO) - Toronto, Canada Era: 1980s Metal: Solid 10K Yellow Gold Size: 4 Main Stone: 10mm x 10mm (approx. 3.75ct diamond equivalent) Side Stones: 6mm x 6mm (approx. 0.75ct diamond equivalent each) Style: Traditional Anniversary / Statement Ring Condition: This item is in good vintage condition with light wear consistent with its age. The gold has a beautiful natural luster, and all stones are securely seated in their prongs.