Sightholder directory




Head Office

Address Johannesburg, South Africa

Sales Offices

Address Johannesburg, South Afric
Address Johannesburg, South Africa

Short Facts

Year of establishment 1938
Number of employees 500
Number of offices 10
Number of factories 4

Group companies

  • Diacor Belgium
  • Diacor International LTD
  • Ascot Diamonds
  • Penford Israel
  • Diacor Botswana
  • Namcot Diamonds
  • Diacor India

Diacor International Ltd


Diacor is a multinational company with interest ranging from manufacturing to retail. Specialising in the creation of large, fancy coloured and rare stones, the Group supports a wide spectrum of products and focuses on long term relationship with its clients.

Diacor has created some of the world’s most famous diamonds the 203.04 carats, De Beers Millennium Star and the magnificent Pink Star – 59.60 carats, flawless fancy vivid pink diamond.

Corporate Social Responsibility

Diacor’s Sunshine Fund was created to benefit all workers employed at the its manufacturing facilities worldwide. The Fund creates awareness against HIV/AIDs and provides day-to-day support to improve living conditions of employees.

Diacor is the title sponsor of the Diacor Gaborone Marathon, the largest charity event in Botswana, in 2015 the race hosted 6,000 runners and raised P1M.

The Group is also involved with various charity organisations, such as the Khama Trust and the Rotary Club, in the southern African countries it operates in.

Core Business Activity

Wholesaler, Polished manufacturer and Retailer

Product Range Overview

Rough Diamonds

Specialised assortments to leading international manufacturers

Core Polished Diamonds

0.30ct and up round brilliant and fancy production; assortment for jewellery suites, GIA certified, Forevermark

Specialist Polished Diamonds

Special large fancy shape, Rare fancy colour and round brilliant creations

Diamond Jewellery

High-end diamond jewellery, bespoke jewellery, leading designer collections

Polished Outcome





Below 7pts

Fancy shapes Fancy colours Proprietary or branded makes
x x x     x x x

Additional Services

Marketing to HNWI; presence in major auctions around the year worldwide; tailor made assortments; fancy cut assortments; finance and currency management; certification; Forevermark inscription and certification; client experience in high end events through F1 McLaren and special exhibitions.