The Ada III lines up seven brilliant black diamonds within the arch of the gold asymmetric ring profile.
Ruberg

Ruberg is a boutique in Islington, London, owned by Danish jeweller Kamilla Ruberg. Understated, elegant lines of fluid gold and asymmetric silhouettes combined with geometric diamond cuts and shapes, the geometric style is loved by minimalists and fans of the cool Scandinavian aesthetic.
5-stone brilliant white diamonds set in 18k yellow gold, with a brushed finish. Shown with matching wedding band.
From £3590.
Sea green tourmaline and baguette cut white diamonds, set in 18k yellow gold. One-of-a-kind, size L only.
£8100.
Deep blue cabochon sapphire and white trillion cut diamond set in platinum, with a textured finish.
White diamond baguette, fancy yellow pear, and round black diamond set in 18k yellow gold.
From £4700.
Asymmetric oval tourmaline and baguette diamonds set in 18k yellow gold.
Deep green tourmaline with a triangle cut white diamond, in 18k yellow gold.
5 brilliant cut round white diamonds set in platinum. Pictured with platinum fitted wedding band.
Green tourmaline and baguette cut white diamonds set in 18k yellow gold. Pictured with fitted matching yellow gold band.
Deep blue sapphire cabochon, fancy yellow diamond and baguette diamond ring set in platinum.
Three brilliant cut white diamonds set asymmetrically in 18k yellow gold. Also shown with matching yellow gold band.
Princess cut white diamond set in a simple, minimalist platinum band.
Marquise cut white diamond set in a simple, tapering platinum band.
Brilliant white diamond set in an asymmetric position on a platinum band.
Round cognac diamond asymetrically positioned on an 18k yellow gold band.
Princess cut diamond set in 18k yellow gold in a fresh, modern setting.