Marquise Cut
Browse our exclusive ring styles by diamond cut, setting, and design detail. Each piece is meticulously crafted.
Marquise Diamond Solitaire Engagement Ring
Marquise Diamond Solitaire — Bold Elegance with Refined DetailThis Marquise...
Celestial Marquise Twist Pavé Diamond Engagement Ring
Celestial marquise elegance with a modern twist and brilliant detailThis...
2 Carat Marquise Cut Diamond Engagement Ring in 18k White Gold
Custom marquise cut halo elegance with brilliant detailThis custom marquise...
From first sketch to final ring, every detail is personal.
At Neptunes Engagement, each ring can be designed around the diamond shape, setting style, metal color, and proposal vision that feels right for you.
1. Choose Your Direction
Share your preferred cut, setting, budget, and inspiration.
2. Select Your Diamond
Choose natural or lab-grown diamonds with IGI or GIA certification options.
3. Approve Your Design
Review the ring concept, CAD direction, and final details before production.
4. Create the Moment
Receive a finished ring made for your proposal, your style, and your story.