New York jewelry retailer Ritani has booted up an effort to sell diamonds online--tapping into Seattle's e-commerce talent--with a new $15M funding round, the firm revealed today. The funding comes from Cantor Ventures. The firm said it has set up an e-commerce arm in Seattle by tapping into the expertise of former Blue Nile exec Brian Watkins. Ritani is looking to create a hybrid business that involves both e-commerce and local jewelry retailers. More information »