The best proposal stories start with a ring that feels personal; timeless enough to age beautifully, modern enough to feel like you. In 2025, the conversation is shifting even more where couples want personalization, sustainability, and timeless engagement ring styles all at once.  Whether it’s the rise of lab-grown diamonds, the return of vintage-inspired bands, or the continued demand for oval engagement rings, these trends are shaping how proposals look and feel this year. Rare Carat, aka the go-to diamond