Shop 4 Ct Lab-Grown Diamond Engagement Ring
When your love is bold and undeniable, your ring should be too. Our 4 Ct lab-grown diamond engagement rings, crafted in 100% solid 14K & 18K gold, are made to turn heads and capture hearts. Each ring is set with an IGI-certified lab-grown diamond, offering jaw-dropping brilliance and presence—without the inflated price tag or ethical compromise.
Every piece is handcrafted, hypoallergenic, and shipped free across the USA, arriving in tamper-proof packaging with full certification. This is fine jewelry that celebrates love in the most extraordinary way.
14k Gold 5.8 ct Lab Grown Diamond Ring
14K Gold 6.5 Lab Grown Diamond Ring
14k Gold 6ct lab Grown Diamond Ring
14k Gold Buguette & Round Cut Lab Grown Diamond Engagement Ring
14K Solid Gold Princess and Baguette Lab Grown Diamond Ring
14K Solid Gold 3.9ct Lab Grown Diamond Engagement Ring
14K Solid Gold 4 Ct Emerald Cut Halo Ring Lab Grown Diamond Engagement Ring
14K Solid Gold 4.2ct Oval Shape Lab Grown Diamond Engagement Ring
A breathtaking 14K gold 4.2ct lab-grown diamond ring, featuring a 2ct oval-cut center diamond (F color, VS2 clarity, Super Cut) with 151 round diamonds (2.18ct total). IGI & BIS Hallmarked, available in White, Rose, and Yellow Gold.
14K Solid Gold 4.2ct Solitaire Lab Grown Diamond Ring
14K Solid Gold 4.4ct Solitaire Lab Grown Diamond Engagement Ring
14K Solid Gold 4.5ctw Solitaire Lab Grown Diamond Engagement Ring
14K Solid Gold 5.5ct Halo Lab Grown Diamond Ring
14K Solid Gold 5ct Cushion Diamond Engagement Ring
14k Solid Gold 5ct. Princess Cut Lab-Grown Lab-Grown Diamond Engagement Ring
14K Solid Gold 8.9ct Solitaire Lab Grown Diamond Engagement Ring
14K Solid Gold Oval Cut Lab-Created Diamond Solitaire Engagement Rings
Elegant 14K White Gold Oval Lab-Created Diamond Solitaire Engagement Ring, featuring a 4.00 CT F color, VS1 clarity diamond in a classic solitaire setting. Available in white, rose, and yellow gold. BIS Hallmarked for authenticity.
14K Solid Gold Radiant Cut Halo Ring 4ct Lab Grown Diamond Engagement Ring
14K Solid Gold Round Shape Lab Grown Diamond Engagement Ring
14K Solid Gold Round Shape Lab Grown Diamond Engagement Ring
14K Solid Gold Round Shape Lab Grown Diamond Engagement Ring
14K Solid Gold Solitaire Lab Grown Diamond Engagement Ring
14K Solid Gold Three Stone Half-Moon Lab Grown Diamond Ring
14K Solid Gold Three Stone Lab Grown Diamond Engagement Ring
14K Solid Gold Triple Shank Lab Grown Diamond Ring
18k Gold 5.8 ct Lab Grown Diamond Ring
18k Gold 6.5 Lab Grown Diamond Ring
18k Gold 6ct lab Grown Diamond Ring
18k Gold Baguette & Round Cut Lab Grown Diamond Engagement Ring
18K Solid Gold 5ct Cushion Diamond Engagement Ring
18K Solid Gold 3.5ct Pear Cut lab Grown Diamond Engagement Ring
18K Solid Gold 3.9ct Lab Grown Diamond Engagement Ring
18K Solid Gold 4 Ct Emerald Cut Halo Ring Lab Grown Diamond Engagement Ring
18K Solid Gold 4.2ct Oval Shape Lab Grown Diamond Engagement Ring
A breathtaking 18k gold 4.2ct lab-grown diamond ring, featuring a 2ct oval-cut center diamond (F color, VS2 clarity, Super Cut) with 151 round diamonds (2.18ct total). IGI & BIS Hallmarked, available in White, Rose, and Yellow Gold.
18K Solid Gold 4.2ct Solitaire Lab Grown Diamond Ring
18K Solid Gold 4.4ct Solitaire Lab Grown Diamond Engagement Ring
18k Solid Gold 4.5ctw Solitaires Lab Grown Diamond Engagement Ring
18K Solid Gold 5.5ct Halo Lab Grown Diamond Ring
18K Solid Gold 5ct. Princess Cut Lab-Grown Lab-Grown Diamond Engagement Ring
18K Solid Gold 8.9ct Solitaire Lab Grown Diamond Engagement Ring
18K Solid Gold Halo Lab Grown Diamond Ring
18K Solid Gold Oval Cut Lab-Created Diamond Solitaire Engagement Rings
Elegant 18k White Gold Oval Lab-Created Diamond Solitaire Engagement Ring, featuring a 4.00 CT F color, VS1 clarity diamond in a classic solitaire setting. Available in white, rose, and yellow gold. BIS Hallmarked for authenticity.
18K Solid Gold Radiant Cut Halo Ring 4ct Lab Grown Diamond Engagement Ring
18K Solid Gold Round Shape 2.2Ctw Lab Grown Diamond Engagement Ring
18K Solid Gold Round Shape Lab Grown Diamond Engagement Ring
18K Solid Gold Round Shape Lab Grown Diamond Engagement Ring
18K Solid Gold Round Shape Lab Grown Diamond Engagement Ring
18K Solid Gold Solitaire Lab Grown Diamond Engagement Ring
18K Solid Gold Solitaire Lab Grown Diamond Engagement Ring
A 2 ct round lab-grown diamond solitaire engagement ring with 1.7 ct side diamonds in 18k solid gold, available in three stunning finishes.
18K Solid Gold Solitaire Lab Grown Diamond Engagement Ring
18K Solid Gold Three Stone Halo Half Moon Lab Grown Diamond Engagement Ring
18K Solid Gold Triple Shank Lab Grown Diamond Ring
4 Prong Asscher Cut 4ct Lab Grown Diamond Engagement Ring
4 Prong Asscher Cut 4ct Lab Grown Diamond Engagement Ring
Elongated Emerald Cut 4ct Lab Grown Diamond Engagement Ring
Elongated Emerald Cut 4ct Lab Grown Diamond Engagement Ring
Elongated Emerald Cut 4ct Lab Grown Diamond Engagement Ring
Elongated Emerald Cut 4ct Lab Grown Diamond Engagement Ring
Elongated Radiant Cut Lab Grown Diamond 4ct Engagement Ring
Elongated Radiant Cut Lab Grown Diamond 4ct Engagement Ring
Heart Shape 4ct Lab Grown Diamond Engagement Ring
Heart Shape 4ct Lab Grown Diamond Engagement Ring
Marquise Cut 14K Solid Gold 4ct Lab Grown Diamond Engagement Ring
Marquise Cut 18K Solid Gold 4ct Lab Grown Diamond Engagement Ring
Oval Cut 4ct Lab Grown Diamond Engagement Ring
Oval Cut 4ct Lab Grown Diamond Engagement Ring
Pear Cut Halo Ring 4ct Lab Grown Diamond Engagement Ring
Pear Cut Halo Ring 4ct Lab Grown Diamond Engagement Ring
Princess Cut 14K Solid Gold Engagement Ring 4ct Lab Grown Dimond
Princess Cut 18K Solid Gold Engagement Ring 4ct Lab Grown Dimond
Princess Cut 4ct Lab Grown Diamond Engagement Ring
Princess Cut 4ct Lab Grown Diamond Engagement Ring
History, Types, Cultural Significance Of 4 Ct Lab-Grown Diamond Engagement Ring
A 4 ct diamond is nothing short of extraordinary. It’s bold, radiant, and unforgettable—perfect for those who want their engagement ring to reflect a powerful, once-in-a-lifetime kind of love. And with lab-grown diamonds, you get the size and sparkle of your dreams—without overpaying or compromising your values.
At The Karat Store, our 4 carat engagement ring collection includes:
Solitaire rings in oval, round, cushion, emerald, and princess cuts
Halo and double-halo styles for maximum brilliance
Three-stone rings that add balance and symbolism
Split-shank, cathedral, and twisted bands for added detail
Fully customizable options for your unique love story
US shoppers choose lab-grown for good reason: these diamonds are chemically and visually identical to mined diamonds, yet sustainably created and more affordable. You get the best of both worlds—impact, intention, and incredible beauty.
Quality of Material Used
We never use gold-plated or filled metals. Every engagement ring is made in 100% solid 14K & 18K gold, available in your choice of yellow, white, or rose gold. Durable, luxurious, and timeless—this is real gold, made to last forever.
Each lab-grown diamond is hand-selected for its fire, clarity, and cut, then securely set by expert artisans. All rings are hypoallergenic and nickel-free, making them perfect for daily wear, even on sensitive skin.
Certifications Provided
With every 4 ct engagement ring, you’ll receive:
An IGI certificate confirming cut, color, clarity, and carat
A 14K & 18KÂ gold purity stamp
A detailed invoice and complete documentation
Buying from The Karat Store means you get certified, transparent, and traceable luxury—no surprises, just pure brilliance and confidence.
Craftsmanship
Each engagement ring is carefully handcrafted by skilled artisans who specialize in fine jewelry. From prong setting to final polish, every step is done with precision and passion.
Before shipping, every ring is subjected to a multi-step inspection process, ensuring perfect structure, smooth finishing, and securely set stones. You’ll see the craftsmanship the moment it’s in your hands.
Frequently Asked Questions
1. How long does shipping take to the USA?
Shipping takes 12 to 22 days to your doorstep in the USA.
2. Is the gold and diamond real?
Yes. We use 100% solid 14K & 18K gold and IGI-certified lab-grown diamonds, identical to mined diamonds in every way.
3. Why choose a 4 ct lab-grown diamond?
You get exceptional size, sparkle, and value—all with sustainable, ethical origins.
4. Will I receive a certification with my ring?
Yes, your purchase includes an IGI certificate, gold stamp, and full documentation.
5. Can I return the ring if I don’t love it?
Returns are accepted only for damaged items or if the wrong product is delivered.
6. Is shipping free in the USA?
Yes, we offer free shipping nationwide.
7. Will I receive tracking details?
Absolutely. A tracking number will be provided once your ring ships.
8. Can I customize the setting or diamond shape?
Yes! We welcome custom orders—just email us with your design preferences.
9. Are your rings safe for sensitive skin?
Yes. All rings are nickel-free and hypoallergenic, perfect for everyday wear.
10. How do I contact The Karat Store?
Reach us anytime at contact@thekaratstore.us for support, custom requests, or design consultations.