GN Diamonds is the fastest growing diamond company in the United States. Blair Jewelers has partnered with GN to bring the power of selection from a vast inventory of quality gemstones, directly to YOU. If you're looking for a particular size, shape, cut, or quality diamond — chances are you'll find it here! Browse and shop stones online, or come into our store where we can help you personally select the right stone, choose a glorious mounting, or create a custom one-of-a-kind jewelry design. Either way, the stone you pick is exactly the stone you'll receive.