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Bonhams Jewellery auctions offer gemstones and jewels from names including Cartier, Van Cleef & Arpels, Boucheron, Harry Winston, Tiffany, Bulgari, Chaumet and Verdura. We hold over 40 auctions a year across all the key jewellery markets: New York, London, Hong Kong and Los Angeles.

Our auction record results include The Hope Spinel, which achieved the world record price per carat for a spinel sold at auction. We also achieved world record prices per carat for a Fancy Blue diamond and a Fancy Pink diamond sold at auction. Among the high profile, international collections that we have brought to auction are the jewels of Dame Joan Collins, Lauren Bacall and Jackie Collins.

We champion wearable art and works by 'artist jewellers' - from Andrew Grima, John Donald and David Thomas in the UK to Art Smith, Betty Cook and William Spratling in the US. In 2006, we curated the first auction dedicated to works by Grima, followed by a 100% sold private collection of Grima jewellery in 2017 and a successful sale of artist jewellery from the Crawford Collection in 2021.

Buying and selling jewellery at Bonhams
Bonhams Jewellery department has specialists and consultants across the UK, Europe, America, Asia and Australia. Our passionate and experienced team include qualified gemologists and knowledgeable jewellery connoisseurs, up to date on the latest market trends. We regularly collaborate with other Bonhams departments - from Designer Handbags and Watches to Contemporary Art - to cross-market items to new buyers.

With offices and representatives in nearly 50 locations, Bonhams gives buyers and sellers access to a global network of collectors, to achieve the highest price and level of customer satisfaction possible. Contact a specialist directly for more information or submit your item online for a free auction estimate.

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Thinking of selling? Get a free auction estimate by submitting your item online or contacting your local Bonhams. With specialists based in towns and cities worldwide, we are your local auction house.

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Exceptional results

News and stories

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Photo of Jean Ghika

Jean Ghika

Global Head of Jewellery

Jean Ghika is Bonhams Global Director of Jewelry. Based in London, she oversees all jewelry auctions in the UK, Europe, America, Hong Kong and Australia. Under Jean's leadership, the London Jewelry de…

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Photo of Emily Barber

Emily Barber

Head of Department, UK

Emily Barber is Bonhams Jewelry Director in the UK and widely regarded as one of the industry's leading experts. She has been instrumental in guiding the Jewelry department to the position of market l…

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Photo of Carole Gordon

Carole Gordon

Head of Department

Carole Gordon is the Head of the Jewelry Department at Bonhams Knightsbridge. With 11 Jewelry auctions scheduled each year, Bonhams Knightsbridge is the UK leader in mid-market Jewelry sales. Carole p…

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Photo of Caroline Morrissey

Caroline Morrissey

Head of Department, Jewelry, NY

Caroline Morrissey is Director and Head of Jewelry at Bonhams in New York. Her areas of expertise span diamonds and colored gemstones to 20th century jewelry. She has a particular interest in large wh…

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Photo of Emily Waterfall

Emily Waterfall

Head of Department/Director

Based in Los Angeles, Emily Waterfall is the Director of the Jewelry Department for Bonhams Auction House. With over 16 years of experience, Emily is responsible for business-getting, client developme…

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Photo of Leslie Roskind

Leslie Roskind

Head of Jewelry Department

Leslie Roskind is a Senior Specialist at Bonhams Jewelry department in New York. She was Interim Head of Jewelry in Hong Kong until July 2022. During that time, she increased the number of sales, wide…

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Stewart Young

Director of Jewellery/Head of Jewellery, Asia

Stewart Young is Bonhams Director of Jewellery and Head of Jewellery, Asia. Based in Hong Kong, he works with the wider global jewellery team on promoting all sales in the region. Joining Bonhams in 2…

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Fiona Frith

Senior Specialist

Fiona Frith is a Specialist in the Fine Jewelry department at Bonhams in Sydney. In this position, Fiona works with the global jewelry team to source consignments for the Bonhams salerooms in New York…

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Jennifer Tonkin

Senior Specialist

Jennifer Tonkin is Senior Specialist for Bonhams Jewellery department at New Bond Street in London. Her main area of interest is mid-20th century jewellery, particularly from 1940-70, and her favourit…

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Eleonora D'Ottavi

Head of Department, Italy

Eleonora D'Ottavi is Head of Jewelry at Bonhams in Rome. She supports the category's global auctions and her areas of expertise include 20th century jewelry design and Italian jewelers. Since joining …

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Photo of Kate Flitcroft

Kate Flitcroft

Senior Specialist

Kate Flitcroft is Senior Specialist for Jewelry at Bonhams New Bond Street in London. Before joining Bonhams in 2021, Kate was Head of Jewelry and Silver for another auction house. She also spent ten …

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Photo of Althea Hanshaw

Althea Hanshaw


Althéa Hanshaw is Specialist for Jewelry at Bonhams in Paris. She is responsible for organizing the Paris auction room's four Jewelry auctions a year. Before joining Bonhams in October 2021, Althéa wo…

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Allison Osborn


Allison Osborn is a Specialist in the Los Angeles Jewelry Department. She received her Bachelor of Fine Arts in Painting & Curatorial studies from Maryland Institute College of Art, and has also compl…

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Lucy Lanning

Jewellery Valuer

Lucy Lanning is a Specialist for Jewellery at Bonhams' Bath, Exeter and Truro offices, offering valuations across the South West of England and South Wales. Since joining Bonhams in 1995 as a porter, …

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Sara Lodge


Sara Lodge is a Specialist for Jewellery and Silver at Bonhams' Knowle office. She offers valuations across the wider Midlands area and also travels to the Leeds office for valuation events. Since joi…

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Photo of Claire Tuck

Claire Tuck

Jewellery Specialist & Office Manager

Claire Tuck is Bonhams Business Manager for clients across Norfolk and South Lincolnshire, providing valuations for auction, probate and insurance across all fine art and antiques categories. She is a…

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Photo of Kelly Sitek

Kelly Sitek


Kelly Sitek is a Cataloguer for Bonhams Jewelry department in Los Angeles. She joined in 2011 and assists with expanding the Art Jewelry and Mexican silver jewelry markets. Kelly holds a Graduate Gemo…

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