Our Engagement Rings
Browse our exclusive ring styles by diamond cut, setting, and design detail. Each piece is meticulously crafted.
18K Yellow Gold Smooth Solitaire Band Marquise Cut Diamond Engagement Ring
Minimal Marquise Elegance with a Clean, Refined ProfileThis smooth solitaire...
Oval Solitaire Diamond Engagement Ring
Timeless Oval Solitaire Elegance in 18K GoldThis custom oval solitaire...
Cluster Band Round Diamond Engagement Ring
Round Brilliant Elegance with Refined Cluster Diamond DetailThis custom cluster...
Marquise Diamond Solitaire Engagement Ring
Marquise Diamond Solitaire — Bold Elegance with Refined DetailThis Marquise...
Crown Royale Emerald Diamond Engagement Ring 18k Gold
Crown Royale Emerald Diamond Engagement Ring with Elevated StructureThe Crown...
Neptune Signature Oval Solitaire Engagement Ring – 18K Gold
Neptune Signature Oval Solitaire — Timeless Elegance, Perfectly BalancedThis oval...
Oval Cut Diamond Engagement Ring – Three Stone Halo, 18K White Gold
Oval Cut Diamond Engagement Ring – Three Stone Halo, 18K...
Marquise Diamond Blue Gemstone Three-Stone Engagement Ring
Marquise Diamond Elegance with Bold Blue Gemstone AccentsThis 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.