NIESSING solitaire ring with brilliant-cut diamond of 0.30 ct, FW (G)/SI1, NP: approx. 3,000 € (2025), PT 950, 4.6 g, RW: 49, 21st century, minimal signs of wear, with maker's signature, incl. NIESSING box, copy of proof of purchase (2015) and copy of GIA graduation report (2014).