25 carats of Old Mine Cut Diamonds Necklace

A Victorian old cut diamond tiara. This exquisite, handmade Victorian yellow gold and silver diamond tiara is comprised of a central foliate design, vertically set with round old cut diamonds and a cascade of old cut diamond set openwork floral motif scrolls. The tiara can be converted into a necklet with a detachable necklace...

This stunning platinum pin centers a sparkling old mine cut diamond that weighs 1.42ct. and is graded H color with SI3 clarity. The pin is set with dazzling old mine cut diamonds wei...

Georgian Old Mine Diamond Brooch Circa 1830 4.25 ct. of Diamonds, including an Old Mine Cushion cut Diamond in the center weighing approximately hal...

This is an extraordinary Diamond Platinum Tiffany & Co. Edwardian - Art Deco Brooch Pin with approximately 2.5 Carats of magnificent Old Mine Cut Tiffany Diamonds set in Platinum in an open work scroll and leaf motif design of the highest quality. The antique Tiffany Diamonds are extraordinary. They are brilliantly white and clean. There are 30 Old Mine Cut Diamonds set throughout the brooch. In the center is a very rare pyramidal square fancy cut diamond of exceptional quality. The diamond is brilliantly white and very clean and the cut is absolutely magnificent. The diamonds are set in Platinum in a gorgeous open work design with knife edge designs leading to the two circular terminals. The terminals have elegant leaf and scroll form motifs set with diamonds in an arched design with milgrain beaded borders. The Tiffany Brooch is one of the most beautiful Edwardian jewels we have seen. The stunning design is timeless. The use of Platinum allowed the Tiffany jewelers...