Yellow sapphire rings stackable show off yet another glorious gemstone in the sapphire classification! The yellow sapphire, which was once a lesser known variation of the more traditionally used deep blue jewels, has now made a name for itself in delightful pieces like these stackable yellow sapphire eternity bands. One of many reasons that these wonderful yellow sapphire stackable ring set designs are in such high demand is the sunny gemstone's strong likeness to elusive yellow diamonds. Although a stackable rings set with so many yellow diamonds would be out of reach to many people, the yellow sapphire offers an equally attractive but significantly more cost-effective option.