Solitaire
Browse our exclusive ring styles by diamond cut, setting, and design detail. Each piece is meticulously crafted.
Classic Oval Solitaire Diamond Engagement Ring
Timeless Oval Solitaire Elegance with Refined Minimalist DetailThis custom classic...
Solitaire Band Round Cut Diamond Engagement Ring
Classic elegance meets modern refinement in this solitaire round cut...
Solitaire Band Princess Cut Diamond Engagement Ring
Modern Princess-Cut Elegance with Timeless Solitaire DetailThis custom solitaire band...
Oval Solitaire Diamond Engagement Ring
Timeless Oval Solitaire Elegance in 18K GoldThis custom oval solitaire...
Classic Pear Solitaire Pavé Engagement Ring
Timeless Pear Solitaire Elegance with Refined Pavé DetailThis custom classic...
Solitaire Princess Cut Diamond Engagement Ring
Clean, modern, and effortlessly elegant — this solitaire princess cut...
Classic Tapered Band Emerald Cut Engagement Ring
Classic tapered band emerald cut engagement ring with timeless precisionThis...
Polished Band Marquise Engagement Ring
Polished Band Marquise Engagement Ring with refined brillianceThis polished 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.