18ct White Gold Marquise Diamond & French-Cut Sapphire Halo Ring

18ct White Gold Marquise Diamond & French-Cut Sapphire Halo Ring

A beautifully balanced 18ct white gold ring centred with a marquise-cut diamond, framed by a precisely fitted halo of rich blue French-cut sapphires.

The centre diamond measures approximately 8 × 5mm, its elongated shape creating an elegant line across the finger. Surrounding it, individually cut sapphires follow the marquise outline almost seamlessly, their deep blue colour providing a striking contrast against the brightness of the diamond.

Fine milgrain detailing traces both the centre setting and outer sapphire border, introducing the delicate architectural finish associated with early 20th-century jewellery. Small diamonds continue into the shoulders before meeting a polished 2mm shank, giving the ring sparkle beyond the central setting without distracting from its strong geometric silhouette.

The overall design has clear Art Deco influence: disciplined symmetry, contrasting gemstones and precise geometric stonework, but executed with proportions that remain elegant rather than overly formal.

Specifications

Metal: 18ct white gold
Principal stone: Marquise-cut diamond (approx. 8x5mm - 0.60ct)
Surround: French-cut sapphires
Additional stones: Round-cut diamonds to the shoulders
Head dimensions: Approximately 12 × 9mm
Shank width: Approximately 2mm
Ring size: N½
Style: Art Deco-inspired
Condition: Excellent pre-owned condition, with light wear consistent with careful use

A ring built around contrast: white diamond, saturated sapphire and crisp milgrain detail, brought together in one of the most recognisable silhouettes of Deco-inspired jewellery.