3ct Fancy Blue Marquise Cut Double Pave Lab Grown Diamond Engagement Ring

Material Selection: 10K, 14K, 18K Solid Gold, Platinum Pure

Metal Color Selection: Rose Gold, Yellow Gold, White Gold

Center Stone Type Selection: Lab Grown Diamond

Diamond Cut: Marquise (Brilliant | Excellent Cut)

Diamond Clarity: VS (Best Only)

Diamond Color: Fancy Blue

Center Stone Size: 3 Carat (14x7mm)

Side Stone Weight: 0.75 Carat Total | 1.3mm Round (48Pcs)

Setting: Claw Prong & Double Pave

Ring Band Width: 2.5mm

Certification: IGI® or GIA® Certified

Command attention with this extraordinary 3 Carat Fancy Blue Marquise Cut Lab Grown Diamond Ring, featuring a dramatic double pave band that amplifies the center stone’s deep azure glow. The elongated marquise silhouette — the rarest of diamond shapes — creates a striking sapphire alternative that appears even larger than its impressive 3-carat weight. Forty-eight meticulously set round diamonds cascade down the double pave band, adding 0.75 carats of brilliant fire. Handcrafted in your choice of 10K, 14K, or 18K solid gold or Platinum Pure, and backed by IGI® or GIA® certification for guaranteed authenticity.

How This Ring Compares

Feature	This Ring	Brilliant Earth	Blue Nile	James Allen
Design	Marquise Double Pave	Marquise Pave Standard	Marquise Solitaire	Marquise Pave Classic
Center Stone	3ct Fancy Blue Marquise	1–2ct Blue Marquise	1–2ct Blue Marquise	1–2ct Blue Marquise
Total Carat Weight	3.75ct (center + pave)	Varies	Varies	Varies
Side Stones	48 Round Diamonds (Double Pave)	Single Pave Band	None (Solitaire)	Single Pave Band
Color & Clarity	Fancy Blue, VS	G-I, VS1-SI1	G-I, VS1-SI1	G-I, VS1-SI1
Metal Options	10K, 14K, 18K Gold, Platinum	14K, 18K Gold, Platinum	14K, 18K Gold, Platinum	14K, 18K Gold, Platinum
Made to Order	✅ Handcrafted for you	❌ Pre-made inventory	❌ Pre-made inventory	✅ Limited Custom
Price Range	Fraction of competitors	$3,500–$9,000+	$3,000–$8,000+	$2,500–$7,000+
Free Worldwide Shipping	✅	✅	✅ US only free	✅ US only free
Insurance Included	✅	❌ Separate purchase	❌ Separate purchase	❌ Separate purchase

What You Get That They Don’t Offer

• Rare Fancy Blue lab grown diamond — the rarest diamond color, a stunning sapphire alternative with deep azure brilliance
• 3 Carat marquise center stone (14x7mm) — the elongated cut that appears larger than any other shape at equal carat weight
• Double pave band with 48 round diamonds (0.75ct total) for twice the sparkle of standard single pave designs
• Claw prong setting secures the marquise stone while maximizing light entry for exceptional fire
• 10K gold option — premium luxury at a fraction of competitor pricing
• Platinum Pure option for ultimate durability and hypoallergenic comfort
• Made to order — each ring is handcrafted specifically for you, not pulled from inventory
• Free worldwide shipping with full insurance included on every order
• IGI® or GIA® certified diamonds — guaranteed quality and authenticity
• 30+ years of jewelry craftsmanship and heritage behind every piece
• Priced at a fraction of Brilliant Earth, Blue Nile, and James Allen for comparable or superior specs

Production: Made to order, 1–2 weeks processing time

Includes: Free worldwide shipping, insurance, IGI® or GIA® certification

Approximately 1-2 weeks from order date

As we create each piece to order (unless specified otherwise in the item description), please allow 1-2 weeks for production time. Please see the Worldwide Shipping tab for delivery timelines and details.

Order Prioritization

If you’re looking for a shorter turnaround, please contact us prior to ordering so we can confirm if this is feasible.

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