DIAMONDS
GIA NATURAL CERTIFIED DIAMOND
Explore certified GIA natural diamond at Newport Jewelers, with a wide selection of beautiful shapes, sizes, and styles. Each diamond is carefully selected for quality, brilliance, and lasting beauty, making it a great choice for engagement rings and custom jewelry. Visit our Newport Beach showroom to compare your options and find a lab-grown diamond that fits your style and budget.
Master Jeweler
Precision craftsmanship
Custom Design
Made around your vision
Diamond Specialist
Expert guidance
Swiss Watchmaker
Specialized timepiece
Shop By Shape
Find Your Perfect Shape
Handcrafted fine jewelry, bespoke engagement rings, and certified luxury timepieces from Newport Jewelers.
Collections
Featured Collection
Handcrafted fine jewelry, bespoke engagement rings, and certified luxury timepieces from Newport Jewelers.
Who are we?
What Is a Gia Natural Diamond?
A GIA natural diamond is a genuine diamond formed naturally beneath the earth over millions of years. GIA grading helps you understand a diamond’s quality, including its cut, color, clarity, and carat weight.
At Newport Jewelers in Newport Beach, explore carefully selected GIA natural diamonds for engagement rings and fine jewelry. Find a beautiful diamond with trusted quality and lasting value.
Certifications & Reports
Transparency You Can Trust
At Newport Jewelers™, we believe choosing a diamond should be a clear and confident experience. We provide detailed information about our diamonds, including their quality, grading, and certification, so you can make an informed decision.
Whether you are choosing a lab-grown diamond for an engagement ring or a special piece of fine jewelry, our team is here to explain the details and help you find a diamond that meets your expectations.
Common Grading Labs
- IGI
- GCAL
- GIA (for lab-grown)
- other indpendent
The 4Cs Guides
The 4Cs of Lab Grown Diamonds
Handcrafted fine jewelry, bespoke engagement rings, and certified luxury timepieces from Newport Jewelers.
Lab Grown Vs Natural Diamonds
How Do They Compare
At Newport Jewelers™, every creation tells a story of love, celebration, and legacy. Our passion for precision craftsmanship, hand-selected diamonds, and timeless design defines everything we bring to life.
| Feature | Lab-Grown Diamond | Natural Diamond |
|---|---|---|
| Origin | Grown in a laboratory | Formed in the earth |
| Chemical Composition | Identical (carbon) | Identical (carbon) |
| Physical Properties | Identical | Identical |
| Appearance | Identical | Identical |
| Price | Typically more affordable | Typically higher |
Same Brilliance Different Origin.
Choose What Aligns with your values.
Our Process
A Simple Buying Process
1
Explore and Select
2
Review & Confirm
3
Book Your Appointment
Visit Us
Frequently Asked Questions
Where are you located?
Can you design a custom ring?
Do you repair Rolex and Swiss watches?
Yes. All watch repairs are done in-house in Newport Beach, including battery swaps, crystal replacement, tune-ups, and full overhauls.
What jewelry repairs do you do?
Yes. We offer both GIA-certified natural diamonds and lab-grown diamonds to fit your style and budget.
Do you sell lab and natural diamonds?
Yes. We offer both GIA-certified natural diamonds and lab-grown diamonds to fit your style and budget.