I need help looking for a parti sapphire for an engagement ring. First, I'm located in NYC and would love to see a stone in person, but it seems like it not that common here. If I do have to buy it online, does anyone have any recommendation for where I should buy it from and what I should look out for? I'm looking for 2-3 carat stone (round, princess, or trillion), not too dark, that preferably shows a blend of blue, green and yellow. Some of the pictures of parti sapphires I've seen online are really nice, but I'm afraid that's not how it actually looks in person. Any help appreciated!