marquise blue sapphire gemstone

Marquise Blue Sapphire

Blue sapphire engagement rings are among the most classic engagement rings styles. They also have a royal history! In fact, Princess Diana’s stunning blue sapphire halo ring is one of the most well recognized engagement rings of all time. So, choosing a marquise blue sapphire means you’re picking a classic. It also means you’re getting a fantastic value! That’s because our top grade AAA marquise sapphires look larger than round sapphires, are also less than 50% of the cost of a marquise diamond of the same size!

All of our natural blue sapphires are cut to maximize sparkle and dazzling blue color! They are also eye clean (so, they have no visible imperfections) for top beauty. Once you select your size (starting at .50ct (8x4mm) up to 1.8ct (12x6mm), our gemologist will hand select the best stone from at least 5 AAA marquise blue sapphires. We’re picky, so the blue sapphires we sell are among the most gorgeous in the world. Have questions? Ask our gemologist by sending a note here, or email us at care@doamore.com!

Did You Know: Because sapphire is heavier than diamond, your sapphire will have a larger carat weight than a diamond of the same size. So, to make your selection a little easier, we have listed millimeter sizes below. Also, we have listed what an equivalent sized diamond would weigh, too! 

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Marquise Blue Sapphire

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MORE THAN ETHICAL. IMPACTFUL.

MORE THAN ETHICAL.
IMPACTFUL.

Conflict-free diamonds and gemstones are just the start. All of our verifiably ethical and sustainable engagement rings, wedding bands, and jewelry impact a person’s life forever by bringing clean water to their community.

A POWERFUL AND TRACEABLE EXPRESSION OF LOVE

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