| This week’s stories A diamond once owned by Marie Antoinette’s daughter — reimagined by JAR |  | | The Marie-Thérèse Pink Diamond has been transformed by one of the world’s most revered jewellers into a contemporary masterpiece | | |  | Discover Claude Lalanne’s ‘Ginkgo’ dining suite: an adroit mix of poetry and craftsmanship | | |  | Cornelis van Haarlem and the stylish standard-bearer who inspired ‘courage and daring’ | | | |  | Why Tiffany Studios windows were a must-have for the great residences of the Gilded Age | | |  | Objects treasured by Maurice Sendak: from this Stubbs lion to Mickey Mouse on a motorbike | | | |  | Spring and summer handbags offered in Hong Kong: find the right model for your style, whether it’s Preppy, Girl Crush or Cottagecore | | | | MORE STORIES |
Editor’s picks | | | André Lhote’s portrait of his wife Marguerite, also an artist, was painted in 1910, the year after the couple were married. The sitter is presented in a regal pose, emphasised by her red and gold dress, as she gazes out of the picture with a calm sense of self-confidence. Their relationship would later break down, but here every brushstroke speaks of Lhote’s devotion to her Estimate: €40,000-60,000 until 27 May, Online | | | | | | Masterful in its depiction of light, Dune Landscape with a Thatched Cottage next to an Oak Tree, from 1634, marks a period of transition in the career of Jan van Goyen. While the blues and greys associated with his teacher Esaias van de Velde are present in the upper part of the image, the lower section is notable for the tones of brown and yellow that would come to dominate his later work Estimate: €30,000-50,000 11 June, Paris | | | | | | This René Boivin brooch, dating from the 1980s, is based on a 1949 design. Since the firm’s foundation in the late 19th century, Boivin jewels have often been modelled on animals, and this one takes the form of a brightly coloured bird. Crafted in gold, it is covered from head to tail feathers in circular-cut sapphires and rubies, with a cabochon stone for the eye Estimate: £10,000-15,000 until 6 June, Online | | | | | | The Algerian artist Baya painted Les deux îles in 1966. With its flowing forms, bold outlines and rich palette, it exemplifies the style that won her admirers including André Breton and Pablo Picasso. Born Fatima Haddad in 1931, she taught herself to paint and had her first show in Paris in 1947, inspiring Breton to enthuse: ‘For the rocket that launches the new age, I propose the name Baya’ Estimate: €15,000-20,000 until 27 May, Online | | | | | | |
Spotlight on |  | | • | The Collection of Lucille Coleman, including one of the most significant groups of Van Cleef & Arpels ‘mystery-set’ jewels ever to appear at auction | | • | Hermès handbags: a guide to the most sought-after shades, from Y1 Vanille to 0H Gris Misty — and how to tell your 5P Pink from your 3Q Rose Sakura | |  | | Anytime, Anywhere Discover Private Sales on your schedule |  | | Christie’s Education In-Person, Livestream and Online | | |
