Natural Diamond Engagement Ring – 0.79 ct – 18K Gold – Certified Custom-made engagement ring crafted in Italy by Banca dell’Oro. • Natural diamond – Round Brilliant • Diamond weight: 0.79 ct • Color: H–I • Clarity: SI1–SI2 • Gold: 18K white and yellow gold (750) • Ring size: 55½ (resizable) • Gemological certificate available • Original warranty certificate from Banca dell’Oro Original purchase price: €12,800 Open to serious offers.