This engagement ring with a moonstone plays with a cool, blue flash that appears and vanishes with every turn of the hand. The cabochon cut doesn't scatter that effect across tiny facets - the rounded surface gathers light in one place and lets the adularescence glide across the stone like a narrow ribbon of glow. In old-world craft, this stone was linked to intuition and inner focus, and today its delicate, vintage character suits the role of an engagement symbol well. The medium-size band doesn't overwhelm the hand, keeping the stone at the centre of attention.

The choice of this particular piece came down to the colour and clarity of the stone itself - only a clear, even flash qualifies for this type of ring. Good moonstones are becoming harder to find today, since nature itself limits the supply of fine specimens, which makes the fair price of this piece worth noting. The stone is set in refined, pure sterling silver 925, and a rhodium layer protects the setting from tarnishing and scratches, keeping the shine bright for years to come. The alloy contains no nickel, the metal responsible for most contact allergies, so the ring can be worn without worry about irritation. The metal carries a maker's mark registered with the French assay office, attesting to the piece's origin.

This form sits well alongside a lace blouse, a dress with a small pastel pattern, or a soft powder-pink jumper. A romantic style highlights the softness of the flash, and the blue glimmer brings life to light, muted outfit colours. On the hand, the ring works best paired with thin, plain bands - without competing stones. It's a subtle nod to engagement tradition, built around one striking stone.