R Gold-Tone & Sparkly Stones Double Chain Necklace

Brand: Hangtag has the letter R in black & the opposite side has a sparkly stone. I don't know this brand. Features: Double chains & disk pendant with sparkly stones in several colors. Center is star shaped with clear sparkly stone. Fashion jewelry. Condition: Pre-loved. May have fine scratches. Photo 8 shows what might be a knot or just the way it's attached to the ring link.