Black Jack

3.75 Carat Lab-Grown Diamond Heart Cut Engagement Ring – Pavé Band in 14K White Gold IGI Certified

$5,999.00 $1,999.00 Sale
Shipping calculated at checkout.

Product Description:
A bold and expressive engagement ring crafted in fine 14K White Gold, featuring a brilliant heart cut lab-grown diamond at the center. Designed with strong structure and balanced symmetry, the center stone is secured in a four-prong setting and complemented by a wide pavé diamond band with multiple rows of round diamonds for enhanced brilliance. This ring offers a modern statement with a romantic centerpiece, combining elegance with contemporary craftsmanship.

Diamond Specifications:
Diamond Type: Lab-Grown Diamond
Total Diamond Weight: 3.75 Carat (Approx.)
Center Stone: 3.00 Carat (Approx.)
Side Stones: 0.75 Carat (Approx.) Round Cut Pavé
Shape: Heart Cut (Center) & Round Cut (Side Stones)
Color: DEF (Colorless Range)
Clarity: VVS–VS (Approx.)
Cut: Excellent / Very Good

Certification:
IGI Certified (Applicable for total carat weight above 1.00 ct)

Metal Details:
Metal Type: Fine Gold
Metal Purity: 14K
Metal Color: White Gold
Finish: High Polish

Setting & Design:
Jewelry Type: Engagement Ring
Style: Pavé Engagement Ring
Setting Type: Four-Prong Center Setting
Band Style: Multi-Row Diamond Pavé Band
Craftsmanship: Hand-Finished
Ring size: 4
Jewelry material: 14K White Gold
  • 30 day returns policy
  • Free shipping on all U.S. orders of $99+
  • Designed in India
Ring size
Jewelry material

PRODUCT DETAILS

Please read our frequently asked questions to find out more.

Product Specs

• Stone Type: Lab-Grown Diamond / Lab-Grown Gemstone
• Creation Method: Advanced CVD Technology
• Metal Options: 14K / 18K Gold, Platinum, Sterling Silver
• Finish: High Polish
• Customization: Available (Size, Metal, Stone)
• Certification: Brand Authenticity Certificate (Optional IGI on request)

👉 Ethically made, conflict-free, and responsibly crafted.
Details

This jewelry piece is thoughtfully designed to combine modern elegance, durability, and ethical craftsmanship.
Each stone is precision-cut for maximum brilliance and set by skilled artisans to ensure comfort and long-lasting wear.

Whether chosen for daily elegance, a meaningful gift, or a once-in-a-lifetime moment, this piece reflects quality you can see and trust you can feel.

✔ Made to order
✔ Premium finishing
✔ Designed for long-term wear
Shipping & Returns

Memory Diamond Jewelry (Ashes / Hair Carbon):
• Once ashes or hair carbon are delivered to our address, production begins.
• Diamond creation time depends on the selected diamond size and cut.
• Estimated production & processing time: 20 to 45 days.
• After completion, the jewelry is carefully set and prepared for shipment.

Regular Jewelry (Lab-Grown / Gemstone / Silver Jewelry):
• Processing time: 7–10 business days.
• Includes stone setting, quality check, and secure packaging.
Care Guide

To maintain brilliance and finish:
• Store separately in a soft pouch
• Avoid harsh chemicals, perfumes, and water exposure
• Clean gently with a soft cloth
• Remove before heavy activities

✨ Proper care ensures your jewelry stays beautiful for years.
Warranty

• Manufacturing warranty included
• Covers craftsmanship and setting issues
• Does not cover accidental damage or misuse

🛡 We stand behind our craftsmanship.
About the stone

Lab-Grown Diamond / Gemstone

Lab-grown stones are real gemstones, created using advanced technology that replicates natural conditions.
They offer the same beauty, hardness, and sparkle — with better value and ethical sourcing.

✔ Eco-conscious
✔ Conflict-free
✔ Visually identical to natural stones

Universal Product Disclaimer


This is a laboratory-grown diamond product.
Memorial diamonds are created using purified carbon derived from submitted material.
The final gemstone contains no biological material.
Not a natural mined diamond.

Learn More

WHY BLACK JACK®

MADE WITH CARE & SCIENCE

Each piece is created using advanced lab-grown CVD technology, combining science, precision, and emotion. From memory diamonds to lab-grown gemstones, every stone is ethically crafted with strict quality control.

AUTHENTIC & CERTIFIED

We provide a Brand Authenticity Certificate with every jewelry piece.
Optional IGI certification is available on request for lab-grown diamonds.
Transparent process. No hidden claims. Lifetime trust.

SAFE & INSURED DELIVERY

Worldwide insured shipping with discreet packaging.
Memory diamond orders are crafted specially for you, while regular jewelry ships fast.
Tracking is shared once your order is dispatched.

Crafted With Precision. Backed by Trust.

REAL LAB-GROWN DIAMONDS & FINE JEWELRY YOU CAN TRUST

At Black Jack®, we specialize in ethically crafted lab-grown diamonds, memory diamonds made from human or pet ashes, and fine gold & silver jewelry.
Each piece is created using advanced CVD technology, handcrafted by skilled artisans, and delivered with complete transparency and care.

From custom memorial diamonds to everyday lab-grown diamond jewelry, we focus on quality, authenticity, and lasting value.

THE FINEST GEMSTONES
YOUR STYLE, OUR DESIGN
ROMANCE IS PRICELESS
THE FINEST GEMSTONES
YOUR STYLE, OUR DESIGN
ROMANCE IS PRICELESS
THE FINEST GEMSTONES
YOUR STYLE, OUR DESIGN
ROMANCE IS PRICELESS
Custom Design

JEWELRY IS THE COMPANION OF LOVE✨

For women, jewelry is often seen as a way to express their personal style and add a touch of glamour to their outfit. Popular jewelry styles for women include delicate necklaces, statement earrings, and stackable bracelets.

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CUSTOMER REVIEWS

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2.00 Ct Tailored Remembrance Blue Lab-Grown Diamond Oval-Cut Memory Ring in 14K White Gold – Signature Legacy Fine Jewelry
Great Company ✌️

I am so grateful to have worked with this company. Thank you for a wonderful experience and the ring of a lifetime.

Amanda D.
1.00 Ct Personalized Eternal Heart-Cut Memorial Lab-Grown Diamond Ring in 14K White Gold – Signature Tribute Heirloom Jewelry
Outstanding ❤️️

I was very pleased from start to finish. I have never bought a ring before and I was put at ease at every turn.

Audrey
2.00 Ct Marquise & Princess Cut Women’s Wedding Band – Custom Memory Diamond Women’s Wedding Band – Lab-Grown Diamond from Personal Carbon in 14K Gold
Extremely Happy 💫

They paid full attention to what I asked for even though I only gave them a small amount of info to complete the task with.

Theresa M.
2.30 Ct Pavé Solitaire Oval Cut Memory Diamond Ring – Lab-Grown Diamond from Personal Carbon in 14K White Gold
Amazing!

The design is perfect, and they wen't above and beyond on everything. I couldn't have asked for a better experience

Melanie Claire