Tapered Baguette Sidestone Oval Three Stone Engagement Ring

$774.00

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Description

Description

Oval Three-Stone Lab-Grown Diamond Ring

This three-stone lab-grown diamond ring centers on a luminous oval center stone, flanked by two sleek baguette-cut side diamonds (set in polished 14K or 18K gold). The soft curves of the oval pair with the crisp lines of the baguettes, balancing romance and modernity—perfect for office wear, evening events or everyday elegance. Grown sustainably with zero mining footprint, the diamonds match natural stones’ fire and clarity, making it a versatile choice for timeless luxury, heartfelt gifting and polished style.

Ring Details

Center Diamond (Main Stone)

Diamond Type: Lab Grown Diamond
Shape: Oval
Carat Weight: Available from 1.00 ct to 5.00 ct (custom sizes available)
Color Grade: D–F
Clarity Grade: VVS–VS
Cut Grade: Excellent
Certification: IGI Certified

Side Diamonds (Two Stones)

Diamond Type: Lab Grown Diamonds
Total Side Carat Weight: Approx. 0.28–0.30 ct.tw
Color Grade: E–F
Clarity Grade: VS

Setting & Metal

Setting Style: Three Stone
Metal Options: 14K or 18K Gold (White Gold, Yellow Gold, Rose Gold)
Band Width: 2.2 mm
Finish: High Polish

Craftsmanship & Care

Handcrafted and made to order
Designed for everyday comfort and long term durability
Ethically created lab grown diamonds
Certification: IGI Certified Diamond + IGI Certified Finished Ring

Delivered in our signature luxury box

Every Luminary Gem arrives in our signature packaging,
crafted to reflect timeless brilliance.

Complimentary Worldwide Shipping

Orders over $500 ship free worldwide, fully insured for peace of mind.

IGI Certified Quality

Every diamond and every ring come with their own official IGI certifications, providing two certificates for verified quality and authenticity.

Complimentary Ring Resizing

One complimentary resizing within 30 days to ensure your perfect fit.

Handcrafted to Order

Every ring is handcrafted to order, made individually with care and intention.

Real Stories from Luminary Gem Customers

Beyond Expectations!

I was nervous ordering a custom lab-grown diamond ring online, but Luminary Gem exceeded every expectation. The craftsmanship is stunning, and the sparkle rivals mined diamonds I’ve seen in stores.

Emily R.

California, USA

Perfect Engagement Ring

I proposed with a 1.2ct oval-cut ring from Luminary Gem. It arrived beautifully packaged and looked even better in person. My fiancée still can’t stop staring at it. Thank you for making it special.

Daniel K.

London, UK

Ethical Luxury That Feels Right

I love that my jewelry looks incredible and aligns with my values. Knowing it’s lab-grown and sustainably made makes me wear it with pride.

Sarah M.

Toronto, Canada

Custom Pendant That Shines

I ordered a custom diamond pendant with my initials — the team sent design previews and updates throughout. It arrived flawless. High-end service and attention to detail.

Jason L.

New York, USA

So Much Better Than I Expected!

The diamond earrings I bought sparkle beautifully, and the finish is perfect. Even my jeweler friend couldn’t believe they were lab-grown.

Chloe W.

Sydney, Australia

Fast Shipping, Great Quality

Got my loose diamond in just 3 days! Certified and exactly as described. I’ll definitely come back for my engagement ring.

Marcus D.

Miami, USA

Handcrafted and Worth the Wait

It took 3 weeks to receive my necklace, but the quality was worth every day. You can tell it’s handmade — delicate and perfectly set.

Olivia P.

Paris, France

Great Value for Real Brilliance

I compared similar pieces at big-name stores for twice the price. My Luminary Gem ring is just as bright, if not better. Totally worth it.

Ethan S.

Chicago, USA

Elegant and Sustainable Choice

I’ve switched completely to lab-grown diamonds since discovering Luminary Gem. The quality, service, and packaging are all first class.

Natalie H.

Singapore

Truly Personal Experience

From my first message to final delivery, the customer support was exceptional. They helped me choose the right diamond and setting. It feels like a piece made just for me.

Michael B.

Los Angeles, USA

Luminary Gem — Frequently Asked Questions

Are your engagement rings made with lab-grown diamonds?

Yes. All Luminary Gem engagement rings are crafted using certified lab-grown diamonds, each accompanied by an IGI certificate for quality and authenticity.

Does every engagement ring come with a certificate?

Yes! Every engagement ring comes with two certificates:

An IGI diamond certificate, clearly detailing the diamond’s grade, cut, color, clarity, and carat weight.
An IGI card certificate, clearly describing the gold type, metal weight, and other specifications of the finished ring.
These certificates ensure authenticity, transparency, and confidence in your engagement ring purchase.

How long does it take to receive a custom engagement ring?

Every engagement ring is made to order. Production typically takes 2–4 weeks, followed by secure shipping. You will receive tracking information once your ring ships.

Can I customize the diamond shape, size, or setting?

Absolutely. You can customize the diamond shape, carat weight, metal type, and ring style. If you have a specific design in mind, contact us and we can create a fully custom piece.

How do I find the correct ring size?

We offer a complete Ring Size Guide and can also assist with sizing questions. If the ring size isn’t perfect, we offer one free ring resizing within 30 days of delivery.

What metals do you offer for engagement rings?

We offer:

14K/18K Yellow Gold
14K/18K White Gold
14K/18K Rose Gold
Platinum

What is your return policy for engagement rings?

We offer 30-day returns on unworn engagement rings. Custom fully-bespoke designs may be excluded—details are provided at checkout.

Are lab-grown diamonds real diamonds?

Yes. Lab-grown diamonds have the same physical, chemical, and optical properties as mined diamonds. The only difference is origin—not quality.

Do you offer warranty or after-sales service?

Yes. All Luminary Gem engagement rings include:
Free cleaning & inspection
One free resizing
30-day returns
Secure full-value shipping insurance