Ostrowski Design Black Pendant Ring. Must have accessory this season! Contemporary and unique design. This geometric and an elegant ring is made of highest quality acrylic with the addition of SWAROVSKI ELEMENTS crystal on the top, finished with a 925 sterling silver band. Unique design and selection of colors makes it fan to style allowing you to mix and match colors by wearing 2 rings together. By adding chain you will transform it into contemporary pendant. It is all about playfulness and creativity. Length app 1.6 inch, Width including crystal app 1.25 inch. Inside diameter app ∅ 17.53 mm.