Birthstone jewellery: Fancy coloured diamonds for April

Dior

‘Dentelle Guipure' ring from the 'Dior Dior Dior' collection with yellow diamond and diamonds in 18k yellow and pink gold

Chaumet

'Soir de Fête' necklace from the 'Josephine Chaumet au Firmament' collection with approximately 10ct pear cut yellow diamonds, 13ct pear-shaped EF VVS colourless diamonds and colourless brilliant cut diamonds in 18k white gold

De Beers

'Vulcan' ring with 3.53ct pear cut diamond and coloured diamonds in platinum

De Beers

'Vulcan' earrings with two 1.50ct round cut diamonds and coloured diamonds in platinum

David Michael

Ring with old mine cut pink diamond, green and pink diamond pavé and 18k white gold

Boghossian

Cuff with yellow, blue, and green fancy coloured, intense coloured, colourless diamonds and mother-of-pearl in 18k white gold

Calleija

'Tsarina' ring with 2.15ct pear cut fancy intense purplish pink diamond, four marquise cut blue diamonds from the 2012 Argyle Tender, and colourless diamonds, in platinum and 18k rose gold

Boodles

'Papillon' earrings with approx. 4ct fancy coloured diamonds and colourless diamonds in platinum

Forevermark by De Beers

Drop earrings by Julius Klein Group with 12.96ct cushion cut fancy yellow and accenting pink diamonds in 18k rose gold

Hirsh

'Papillon' ring with 1.03ct marquise cut natural fancy yellow diamond and colourless diamonds in platinum and 18k gold

Graff

Earrings with 63.38 carats multi-coloured fancy and fancy intense diamonds in platinum

Graff

Earrings with 27ct multi-coloured round and cushion cut diamonds in 18k rose gold

Harry Kotlar

'The Vault' transformable pendant / brooch with 0.99ct fancy intense orange diamond and colourless diamonds in 18k yellow gold and platinum

Pragnell

Ring with fancy vivid pink 0.50ct, fancy intense blue-green 0.50ct, fancy intense yellow 0.52ct and colourless diamonds in platinum

Piaget

'Sun Vibrations' ring with 4.27ct flawless fancy vivid yellow diamond and colourless diamonds in 18k white gold

Moussaieff

Bangle with 27.49ct natural fancy coloured diamonds and 71.97ct E/F colourless diamonds in platinum

Messika

‘Kite’ ring from the 'Private' collection with kite cut 6.14ct fancy intense pink diamond and colourless diamonds in 18k white gold

Picchiotti

'Pavone Diamanti ' brooch from the 'Exceptional Fauna' collection with fancy yellow, champagne and colourless diamonds in 18k white gold

Martin Katz

Ring with 3.42ct fancy-yellow-green diamond, colourless trapezoid diamonds, channel-set carré diamonds and vivid-pink diamonds in platinum and 18k rose gold

Jessica McCormack

Ring with central 1.50ct cushion cut natural pink diamond in 18k rose gold, and a party jacket with 2.62ct of brilliant cut diamonds in 18k white gold and 18k rose gold

Jacob&Co

Earrings with 15.12ct fancy pink diamond and 15.92ct fancy blue diamond

Kwait

Ring with radiant cut bluish green diamond and pink diamonds in 18k rose gold

Lily Gabriella

'Infinitas' ring for Sotheby's Diamonds with a 6.78ct fancy intense pink diamond and pavé-set light green grossular garnet in 18k yellow gold

David Morris

Necklace with 26.32ct coloured and 47.68ct colourless diamonds in platinum

Tiffany&Co.

Rings (from top): with cushion-cut fancy intense bluish green diamond in platinum , square antique modified brilliant cut fancy yellow diamond ring with melee diamond border in platinum and 18 karat yellow gold, and cushion mixed-cut fancy intense purplish pink diamond ring with pink diamond in platinum and 18 karat rose gold

Reza

'Double Swing' ring with 2 marquise cut diamonds: a 3.08 ct E color internally flawless, a 3.59 ct fancy intense yellow diamond, pink and orange brilliant cut diamonds in 18k yellow and white gold

Maria Canale

'Drop' statement earrings with 0.62ct blue-green pear cut diamond and 0.60ct pear cut fancy vivid IF yellow diamond, and a total of 10.07ct colourless diamonds in 18k white gold