Ruler of the Aquamarine Archipelago, and known for ruling with an iron fist. He joined Amethyst, but only for selfish reasons: he hoped to take over Opal's rule of all of Gemworld.
He was eventually killed by the rebel fisherman Quaar, who staged a coup aided by Fire Jade.
- Although this character was originally introduced during DC's Earth-One era of publication, their existence following the events of the 1985–86 limited series Crisis on Infinite Earths remains intact. However, some elements of the character's Pre-Crisis history may have been altered or removed for Post-Crisis New Earth continuity, and should be considered apocryphal.
- 10 Appearances of Lord Aquamarine (New Earth)
- 1 Images featuring Lord Aquamarine (New Earth)
- Quotations by or about Lord Aquamarine (New Earth)
- Character Gallery: Lord Aquamarine (New Earth)