Marquise Cut
Browse our exclusive ring styles by diamond cut, setting, and design detail. Each piece is meticulously crafted.
Celestia Crown Marquise Diamond Engagement Ring
Celestia Crown Marquise Diamond Engagement Ring – Radiant Elegance, Celestial...
Sapphire Accent Marquise Diamond Engagement Ring
Classic elegance meets vibrant color in this sapphire accent marquise...
Marquise Diamond Blue Gemstone Three-Stone Engagement Ring
Marquise Diamond Elegance with Bold Blue Gemstone AccentsThis custom marquise...
18K Yellow Gold Smooth Solitaire Band Marquise Cut Diamond Engagement Ring
Minimal Marquise Elegance with a Clean, Refined ProfileThis smooth solitaire...
Marquise Diamond Solitaire Engagement Ring
Marquise Diamond Solitaire — Bold Elegance with Refined DetailThis Marquise...
Twisted Marquise Diamond Engagement Ring
Elegant movement and timeless brilliance define this twisted marquise diamond...
Marquise Cut Diamond Engagement Ring
Elegant curves and timeless brilliance define this twisted pavé marquise...
Halo Band Marquise Cut Diamond Engagement Ring
Vintage Marquise Elegance with Refined Halo DetailThis custom halo band...
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.