Sold at Auction: Platinum ring with four old mine diamonds in all ct. 2.25 circa finished with calibré sapphires, g 4.20 circa size 16/56. French goldsmith and assay marks....
1.33 CT Fancy Champagne Domed Top Round Rose Cut Loose Natural Earth Mine Diamond ideal for making Double Band Four Prong Ring | Jogi Gems - India No's 1 Natural Loose Diamonds
Visitor Finds 4.38-Carat Diamond at Crater of Diamonds State Park | Arkansas State Parks
Four Diamond Gold Crossover Ring | Vintage engagement rings, Wedding ring designs, Edwardian ring
2.77 ct old mine cut diamond surrounded by four old European cut diamonds and twelve rose cut diamonds - GIA 4Cs
Black Diamond Mines Regional Preserve | East Bay Parks
China disrupting world's diamond sector, tapping sophisticated technology to produce cheap synthetic alternatives | South China Morning Post
Vintage Four-Stone Diamond Ring
Four Mine Archives ⋆ A Blue Diamond
History of Vintage Old Mine Cut Diamonds | Behind the 4cs – Trumpet & Horn
Friday "Rocks"! featuring Four Mine
OLD WORLD DIAMONDS (@oldworlddiamonds) • Instagram photos and videos
6.59ct Amethyst,1.68ctw Ruby, .50ctw Diamond 14K Gold Ring | Upscale Consignment
The world's biggest diamond mine is closing after almost four decades
The Environmental Impact Of Diamond Mining | Jaume Labro
New Smithsonian Exhibit Showcases Extraordinary American Diamonds | Smithsonian Institution
Northern Canada, the Conflict-Free Diamond Frontier - The New York Times
Orapa Diamond Mine, Botswana
Best Places To Mine For Diamonds in The United States - Rock Seeker
Four Stone Diamond Wedding Band With Old Mine Cuts - Good Stone Inc
RioZim takes over Sperrgebiet diamond mine in Namibia
Old Mine Cut Diamond Ring, Antique Quatrefoil Four Stone Diamond Ring. Bezel Set 18 Carat & Platinum, 0.51 ctw, Circa 1900s. - Addy's Vintage
Vintage Mixed Diamond Cluster Ring (OOaK) – Lori McLean
Lab Diamonds Buying Guide' – With Clarity
