Established in 1934 with roots in South Africa - Botswana and United Kingdom, Sir Argyle Diamonds proudly brings generations of expertise to Sydney, Los Angeles, Monte Carlo, We specialise in Fancy Colour Diamonds ethically Sourced From Natural Earth Mined Diamonds, offering unparalleled brilliance and quality. Begin your journey with us to find your perfect heirloom, Sir Argyle Diamond has ownership to operate three Independent Diamond mines in South Africa 🇿🇦 to Botswana 🇧🇼 Sir Argyle Diamonds also Cut and Polish Diamonds at Facilities in Diamond City, Surat India 🇮🇳.
10.00 Carat Fancy Vivid Red in Brilliant Solitaire Emerald
This Diamond Was Unearthed in Eastern Africa Part of Sierra Leone 🇸🇱 in year of 1968 and Was Kept Uncut and Locked away in a Safe Till Now Year 2025 This Diamond is Flawless GIA Dossier Certificate will be Tender or Auction online Diamond is One Hundred Percent Natural Earth Mined Diamond with Pure Vivid Red in Color Very Beautiful one of a kind Piece Sir Argyle Family owned since 1934 Investment Grade Diamond which is Unmounted Your Future your Zeros
Rare Investment Grade Diamond Six Carat Solitaire Argyle Fancy Vivid Yellow Radiant Cut Flawless Clarity GIA Dossier $1,000,000 USD $1,200,000 AUD
Rare Investment Grade Diamond Five Carat Solitaire Fancy Vivid Green Princess Cut Flawless Clarity GIA Dossier $6,000,000 USD $9,000,000 AUD
Win a 2026 Porsche 911T Valued Over $500,000 USD Easy as Just Purchase Selected Diamonds Jewellery or Unmounted Diamond and This 911T will be yours there are some terms and conditions.
Our history
From Sir Argyle Family Year 1934 modest beginnings, we've grown through unwavering dedication and a commitment to continuous improvement. Each step has reinforced our core belief in the power of collaboration and the importance of integrity. We're passionate about what we do, and we're excited to share our story with you massage from Sir Argyle CEO

Ten Carat Argyle Fancy Vivid Yellow Brilliant Radiant Cut Diamond Ring GIA Dossier Certificate Flawless $1,900,000 USD Investment Grade Diamond
Four Carat Fancy Vivid Green Diamond Flawless $8,000,000 USD $11,000,000 AUD investment Grade Diamond SOLD
Connect with Sir Argyle Diamonds
Sir Argyle HQ Sir Argyle Corporate
HQ Level 05 Suite 15 / 34 Quai Jean,
Charles Ray , Monte Carlo 98000, Manaco
Corporate Office
Nautilus Drive, Islamorda FL 33036
United States America