Lucara Announces Sale of 1,109 carat Lesedi La Rona

VANCOUVER, BRITISH COLUMBIA--(Marketwired - Sept. 25, 2017) - Lucara Diamond Corp. (TSX:LUC)(BOTSWANA:LUC)(NASDAQ OMX Stockholm:LUC) ("Lucara" or the "Company") is pleased to announce that the historic 1,109 carat Lesedi La Rona recovered from the Karowe mine in Botswana in November 2015 (see news release dated November 19, 2015) has been sold for US$53 million (US$47,777 per carat) to Graff Diamonds.

Laurence Graff comments, "We are thrilled and honoured to become the new custodians of this incredible diamond. The stone will tell us its story, it will dictate how it wants to be cut, and we will take the utmost care to respect its exceptional properties. This is a momentous day in my career, and I am privileged to be given the opportunity to honour the magnificent natural beauty of the Lesedi La Rona."

William Lamb, President and CEO, comments, "The discovery of the Lesedi La Rona was a company defining event for Lucara. It solidified the amazing potential and rareness of the diamonds recovered at the Karowe mine. We took our time to find a buyer who would take the diamond through its next stage of evolution. The price paid is also an improvement on the highest bid received at the Sotheby's auction in June 2016. Graff Diamonds is now the owner of the Lesedi La Rona as well as the 373 carat diamond, purchased earlier this year, which formed part of the original stone. We are excited to follow these diamonds through the next stage of their journey."

On behalf of the Board,

William Lamb, President and CEO

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About Lucara

Lucara is a leading independent producer of large exceptional quality Type IIa diamonds from its 100% owned Karowe Mine in Botswana. The Company has an experienced board and management team with extensive diamond development and operations expertise. The Company operates transparently and in accordance with international best practices in the areas of sustainability, health and safety, environment and community relations.

The information in this release is accurate at the time of distribution but may be superseded or qualified by subsequent news releases.

The information in this release is subject to the disclosure requirements of Lucara Diamond Corp. under the EU Market Abuse Regulation and the Swedish Securities Markets Act. This information was publicly communicated on September 25, 2017 at 2:30 p.m. Pacific Time.