Con·stel·la·tion - a group or cluster of related things.

These rings are like little summer candies for your fingers. Sterling silver band with bezel set semi-precious gemstone. Priced individually. 

Shown from top to bottom: citrine, amethyst (rose cut), moonstone, chrysoprase. Other stones available but not shown: amethyst, carnelian, iolite, garnet, peridot, & white topaz (rose cut).