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Marquise Diamond Elegance with Bold Blue Gemstone Accents
This custom marquise diamond blue gemstone engagement ring blends timeless elegance with rich color contrast and refined craftsmanship. Designed around a brilliant marquise center diamond, the setting is accented by vivid trillion-cut blue gemstones that create a balanced three-stone silhouette with luxurious visual depth.
The elongated marquise diamond enhances finger coverage while delivering exceptional brilliance and graceful proportions. The deep blue side gemstones introduce bold sophistication, adding a unique modern statement while preserving a timeless engagement ring aesthetic.
Crafted with refined claw prongs and a sleek polished band, this ring offers a clean architectural profile designed for clients seeking a distinctive yet wearable luxury engagement ring.
At Neptunes Engagement, every ring is individually made-to-order through our designer-led boutique process. Clients may customize center stone size, gemstone type, diamond quality, metal selection, and overall proportions before production begins.
Perfect for shoppers searching for a custom marquise engagement ring, blue gemstone engagement ring, sapphire three-stone engagement ring, marquise diamond ring with colored gemstones, lab-grown marquise engagement ring, or luxury gemstone engagement ring crafted with premium metals.
Love this design but envision a different gemstone or customization? Let us help bring your unique vision to life. Reach out to us below to explore your options!
Offering the Best Pricing Nationwide
Member of Jewelers Board of Trade
Member of Chamber of Commerce
Member of American Gems Society
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INSURED SHIPPING
Keep in mind: Every gemstone, including lab-grown diamonds, varies in quality beyond the 4Cs (Cut, Color, Clarity, and Carat). At Neptunes Jewelry, we meticulously hand-select each diamond to ensure the highest quality and value for our clients.
We’re committed to ensuring the quality and perfect fit of your treasured piece.
Processing Time
In-stock items process within 3 business days. Our standard lead time is 7-10 business days after the CAD rendering is approved
with timelines specified on each product page.
For rush orders, please email us to see if we can accommodate your request. Note that your shipping choice does not expedite production.
Insured Shipping
Once ready, we’ll send tracking details. All orders ship fully insured, with signatures required of the recipient. Any fees from failed delivery attempts are the purchaser’s responsibility.
Marquise Diamond Elegance with Bold Blue Gemstone Accents
This custom marquise diamond blue gemstone engagement ring blends timeless elegance with rich color contrast and refined craftsmanship. Designed around a brilliant marquise center diamond, the setting is accented by vivid trillion-cut blue gemstones that create a balanced three-stone silhouette with luxurious visual depth.
The elongated marquise diamond enhances finger coverage while delivering exceptional brilliance and graceful proportions. The deep blue side gemstones introduce bold sophistication, adding a unique modern statement while preserving a timeless engagement ring aesthetic.
Crafted with refined claw prongs and a sleek polished band, this ring offers a clean architectural profile designed for clients seeking a distinctive yet wearable luxury engagement ring.
At Neptunes Engagement, every ring is individually made-to-order through our designer-led boutique process. Clients may customize center stone size, gemstone type, diamond quality, metal selection, and overall proportions before production begins.
Perfect for shoppers searching for a custom marquise engagement ring, blue gemstone engagement ring, sapphire three-stone engagement ring, marquise diamond ring with colored gemstones, lab-grown marquise engagement ring, or luxury gemstone engagement ring crafted with premium metals.