Romantic/vintage Bulgari The Dedicata a Venezia (Dedicated to Venice) solitaire ring (above) in platinum features a round brilliant cut diamond and lateral pave diamonds. Tiffany & Co (from top left) This patented cushion-cut Tiffany Legacy diamond surrounded by bead-set diamonds evokes the glamour of the Edwardian period. Tiffany & Co Novo is a brilliant cushion-cut creation with spirit, fire and style. This dazzling ring was inspired by the famous 128.54-carat Tiffany Diamond. It gives a nod to the past and a glimpse of the future. Chow Sang Sang The new Love Diamond Antwerp Diamond Heritage Collection features mostly solitaire rings. Launched in collaboration with Belgium's Antwerp Diamond Museum, the collection combines the beauty of historical designs with modern interpretation and craftsmanship. Feminine designs Cartier You're mine is a solitaire ring (bottom) in platinum paired with brilliant cut diamonds and a heart-cut centre diamond. The setting of the ring represents two hearts holding the heart-cut diamond. Cartier The Ballerine (left) is a highly feminine ring inspired by flowers and curves. Set in a light and graceful design. Timeless classics Cartier 1895 Solitaire (top) - befitting its name, this has been a Cartier classic since 1895. This timeless solitaire is a perfect example of delicate balance. A wire setting with four elegant and harmonious claws enhances the radiance of the stone. Tiffany & Co Tiffany's famous six-prong (above) setting has emerged to be the most popular engagement ring style in the world. This innovative design sets the diamond away from the band, with six platinum prongs, allowing a more complete return of light through the diamond and maximising its natural brilliance. Iconic designs Cartier The LOVE solitaire ring (bottom) in white gold, with a brilliant-cut centre diamond, is available from 0.23 to 0.29 carat Bulgari The Griffe rings (below) feature two sides of diamonds holding the diamond solitaire in a solid embrace. Contemporary styles Tiffany (above) The patented Lucida square diamond is a mixed cut stone with wide corners. The ring is available in platinum and yellow gold. Bulgari The Marryme ring (right) sets a single diamond solitaire in an exquisite modern design. Cartier Declaration (right middle) is a contemporary solitaire. Its four tapered claws and elegant lines give the ring a modest refined charm. Bulgari The Corona features a solitaire ring (right bottom) in platinum with a round, brilliant-cut diamond.