Whiteflash started in 1999 as an e-boutique and their Whiteflash ACA is the leading H&A diamond sold exclusively on the Internet, and remains the only H&A diamond with a guarantee of true optical symmetry. Whiteflash brings the sheer beauty of "Super Ideal Cut" to the Internet. Diamond Engagement Rings at Whiteflash – the internet's fine-make style boutique for fabulous diamond engagement rings and other custom designed jewelry.