Contact UsContact Us Track my order Open search

Best Brilliance

Book Appointment

Country

Open search Open account page Call support Open cart

Engagement Rings
- Shop by shape
- Shop by ring style
- Shop by metal
- Main stone type
- Shop by carat
- BB Experience
  - Custom design
  - Find my Ring size
Lab Grown Diamonds
- Shop by shape
- Shop by ring style
- Shop by metal
- Shop by carat
Moissanite
- Shop by shape
- Shop by ring style
- Shop by metal
- Shop by carat
Gemstone Rings
Wedding Rings
- Women rings
- Men rings
  - Men's Rings
- Shop by metal
Jewelry
- Shop by category
- Shop by collection
  - Branches collection
  - Pinky promise collection
Gifts
Ready to ship

Engagement Rings

Shop by shape

Round
Oval
Radiant
Pear
Cushion
Princess
Emerald
Marquise
Heart
Asscher

Shop by ring style

Solitaire rings
Pave (side stones)
Halo rings
Hidden Halo rings
Double Halo rings
Three stone rings
Bridal sets

Shop by metal

White gold
Yellow gold
Rose gold
Platinum

Main stone type

Natural Diamond rings
Lab grown diamonds
Moissanite rings
Gemstone Rings

Shop by carat

1 Carat rings
2 Carat rings
3 Carat rings
4 Carat rings
5 Carat rings

BB Experience

Custom design
Find my Ring size

Lab Grown Diamonds

Shop by shape

Round
Oval
Radiant
Pear
Cushion
Princess
Emerald
Marquise
Heart
Asscher

Shop by ring style

Solitaire rings
Pave (side stones)
Halo rings
Hidden Halo rings
Double Halo rings
Three stone rings
Bridal sets

Shop by metal

White gold
Yellow gold
Rose gold
Platinum

Shop by carat

1 Carat rings
2 Carat rings
3 Carat rings
4 Carat rings
5 Carat rings

Moissanite

Shop by shape

Round
Oval
Radiant
Pear
Cushion
Princess
Emerald
Marquise

Shop by ring style

Solitaire rings
Pave (side stones)
Halo rings
Hidden Halo rings
Double Halo rings
Bridal sets

Shop by metal

White gold
Yellow gold
Rose gold
Platinum

Shop by carat

1 Carat rings
2 Carat rings
3 Carat rings
4 Carat rings
5 Carat rings

Gemstone Rings

Wedding Rings

Women rings

Classic rings
Bezel
Curved bands
Pave (side stones)
Eternity
Jacket
Channel
Special rings
Half eternity

Men rings

Men's Rings

Shop by metal

White gold
Yellow gold
Rose gold
Platinum

Jewelry

Shop by category

Earrings
Bracelets
Necklaces & Pendants

Shop by collection

Branches collection
Pinky promise collection

Gifts

Holiday Gifts

Black Friday
Cyber Monday
New Year's Day
Valentine's Day
International Women's Day
St. Patrick's Day
Easter Sunday
Mother's Day
Best Friend Day
Independence Day
Halloween
Singles' Day
Christmas
Just Because Gifts

Gifts by Occasion

Graduation Gift
Birthday Gifts
Just Because Gifts
New Mom Gifts
Sweet Sixteen Gifts
Wedding Party
Bridal Jewelry
Gifts for Mom
Galentine's Day
Gifts for Wife
Luxury Gifts
Gifts for Girlfriend

Anniversary Gifts

1st Anniversary
5th Anniversary
10th Anniversary
15th Anniversary
20th Anniversary
25th Anniversary

Ready to ship

Track my order
About Us
Schedule a virtual appointment
Find your ring size
Customize your ring
Contact Us

Country

Account

Cookie policy

We use cookies and similar technologies to provide the best experience on our website. Refer to our Privacy Policy for more information.

Your cart is empty

Home / Engagement Rings / 3 Carat Diamond Engagement Rings

3 Carat Diamond Engagement Rings

All

Natural

Lab Grown

Moissanite

Filters

Shape

Oval32

Radiant19

Pear10

Cushion23

Princess14

Round53

Emerald10

Marquise5

Heart2

Asscher1

Style

Solitaire20

Side Stones40

Halo36

3 Stones18

Double Halo13

Hidden Halo42

Price

$ to $

169 products

Sort by:

Sort by

Featured

Best selling

Price, low to high

Price, high to low

Date, new to old

Moissanite

Annabelle Moissanite & Diamond Ring

3.25 Total Carat · Square Cushion · Halo · 14K White Gold

3.25 2.25 2.75 1.75 4.05 4.95

Regular price$2,900

Sale priceFrom $1,470

50% off

Lab Grown Diamond

Celeste Lab Grown Diamond Ring

3.5 Total Carat · Square Cushion · Halo · 14K White Gold

3.5 1.5 2.0 2.5 +7 Variants

Regular price$3,350

Sale priceFrom $1,780

44% off

Lab Grown Diamond

Giselle Lab Grown Diamond Ring

3.5 Total Carat · Round · Side Stones · 14K White Gold

3.5 1.5 2.0 2.5 +7 Variants

Regular price$3,570

Sale priceFrom $1,840

45% off

Lucy Diamond Engagement Ring -14K White Gold

Natural Diamond

Lucy Diamond Engagement Ring

3.5 Total Carat · Oval · Hidden Halo · 14K White Gold

3.5 1.5 2.0 2.5 4.5

Regular price$8,050

Sale priceFrom $4,920

33% off

Lab Grown Diamond

La Fleur Lab Grown Diamond Bridal Set

3.0 Total Carat · Round · Halo · 14K White Gold

3.0 3.5 4.0 5.0 +4 Variants

Regular price$4,670

Sale priceFrom $2,470

45% off

Lab Grown Diamond

Joana Lab Grown Diamond Ring Elongated Cushion

3.5 Total Carat · Elongated Cushion · Hidden Halo · 14K White Gold

3.5 1.5 2.0 2.5 +7 Variants

Regular price$3,970

Sale priceFrom $2,200

42% off

Lab Grown Diamond

Jessica Lab Grown Diamond Ring Round

3.0 Total Carat · Round · Solitaire · 14K White Gold

3.0 1.0 1.5 2.0 +7 Variants

Regular price$2,550

Sale priceFrom $1,300

45% off

Lab Grown Diamond

Luciana Lab Grown Diamond Ring

3.5 Total Carat · Elongated Cushion · Halo · 14K White Gold

3.5 1.5 2.0 2.5 +7 Variants

Regular price$3,550

Sale priceFrom $1,880

44% off

Lab Grown Diamond

Stephanie Lab Grown Diamond Bridal Set

3.5 Total Carat · Square Cushion · Side Stones · 14K White Gold

3.5 1.5 2.0 2.5 +4 Variants

Regular price$3,950

Sale priceFrom $2,100

43% off

Lab Grown Diamond

Lara Lab Grown Diamond Bridal Set

3.0 Total Carat · Oval · Halo · 14K White Gold

3.0 2.0 2.5 4.0 +4 Variants

Regular price$4,790

Sale priceFrom $2,590

46% off

Lab Grown Diamond

Adaline Lab Grown Diamond Ring

3.0 Total Carat · Pear · Solitaire · 14K White Gold

3.0 1.0 1.5 2.0 +7 Variants

Regular price$2,600

Sale priceFrom $1,340

45% off

Lab Grown Diamond

Priscilla Lab Grown Diamond Ring

3.1 Total Carat · Elongated Cushion · Hidden Halo · 14K White Gold

3.1 1.1 1.6 2.1 +7 Variants

Regular price$2,740

Sale priceFrom $1,420

44% off

Lab Grown Diamond

Samantha Lab Grown Diamond Ring Round

3.15 Total Carat · Round · Side Stones · 14K White Gold

3.15 1.15 1.65 2.15 +7 Variants

Regular price$3,150

Sale priceFrom $1,640

44% off

Moissanite

Mai Moissanite & Diamond Ring

3.0 Total Carat · Round · Side Stones · 14K White Gold

3.0 2.5 2.0 3.5 4.12 5.0

Regular price$2,650

Sale priceFrom $1,386

52% off

Moissanite

Eleanor Moissanite & Diamond Ring

3.5 Total Carat · Round · Hidden Halo · 14K White Gold

3.5 2.38 1.38 2.88 1.88 4.38

Regular price$2,340

Sale priceFrom $1,140

52% off

Jessica Diamond Engagement Ring -14K White Gold

Natural Diamond

Jessica Diamond Engagement Ring

3.0 Total Carat · Round · Solitaire · 14K White Gold

3.0 1.0 1.5 2.0 4.0

Regular price$6,190

Sale priceFrom $3,780

33% off

Lab Grown Diamond

Emanuela Lab Grown Diamond Ring

1.5 Total Carat · Oval · 3 Stones · 14K White Gold

1.5 2.0 2.5 3.0 +8 Variants

Regular price$3,370

Sale priceFrom $1,720

30% off

Lab Grown Diamond

Lissete Lab Grown Diamond Ring

3.65 Total Carat · Elongated Cushion · Halo · 14K White Gold

3.65 1.65 2.15 2.65 +7 Variants

Regular price$4,000

Sale priceFrom $2,020

43% off

Lab Grown Diamond

Milani Lab Grown Diamond Ring

3.0 Total Carat · Oval · Solitaire · 14K White Gold

3.0 1.0 1.5 2.0 +7 Variants

Regular price$2,990

Sale priceFrom $1,520

45% off

Lab Grown Diamond

Lucy Lab Grown Diamond Ring Pear

3.5 Total Carat · Pear · Hidden Halo · 14K White Gold

3.5 1.5 2.0 2.5 +7 Variants

Regular price$3,340

Sale priceFrom $1,670

44% off

Lab Grown Diamond

Sophia Lab Grown Diamond Bridal Set

3.0 Total Carat · Pear · Halo · 14K White Gold

3.0 2.0 2.5 4.0 +4 Variants

Regular price$4,990

Sale priceFrom $2,680

47% off

Moissanite

Quinn Moissanite & Diamond Ring

3.0 Total Carat · Square Cushion · Hidden Halo · 14K White Gold

3.0 2.0 2.5 1.5 3.8 4.7

Regular price$2,470

Sale priceFrom $1,276

51% off

Moissanite

Rebecca Moissanite & Gemstones Ring

3.5 Total Carat · Oval · Hidden Halo · 14K White Gold

3.5 2.0 2.65 1.5 4.7 6.3

Regular price$2,120

Sale priceFrom $1,400

37% off

Lab Grown Diamond

Alice Lab Grown Diamond Ring

3.8 Total Carat · Square Cushion · Halo · 14K White Gold

3.8 1.8 2.3 2.8 +7 Variants

Regular price$3,590

Sale priceFrom $1,910

43% off

Moissanite

Catalina Moissanite & Diamond Ring

3.62 Total Carat · Round · Halo · 14K White Gold

3.62 2.5 1.5 3.0 2.0 4.5

Regular price$2,520

Sale priceFrom $1,240

52% off

Audrey Diamond Engagement Ring -14K White Gold

Natural Diamond

Audrey Diamond Engagement Ring

3.5 Total Carat · Elongated Radiant · Side Stones · 14K White Gold

3.5 1.5 2.0 2.5 4.5

Regular price$7,800

Sale priceFrom $4,760

33% off

Lab Grown Diamond

Lucy Lab Grown Diamond Ring Marquise

3.5 Total Carat · Marquise · Hidden Halo · 14K White Gold

3.5 1.5 2.0 2.5 +7 Variants

Regular price$3,340

Sale priceFrom $1,670

44% off

Lab Grown Diamond

Lucy Lab Grown Diamond Ring Elongated Cushion

3.5 Total Carat · Elongated Cushion · Hidden Halo · 14K White Gold

3.5 1.5 2.0 2.5 +7 Variants

Regular price$3,340

Sale priceFrom $1,670

44% off

Lab Grown Diamond

Deborah Lab Grown Diamond Bridal Set

3.0 Total Carat · Elongated Radiant · Hidden Halo · 14K White Gold

3.0 2.5 3.5 4.5 +4 Variants

Regular price$4,890

Sale priceFrom $2,590

46% off

Lab Grown Diamond

Andrea Lab Grown Diamond Bridal Set

3.0 Total Carat · Elongated Radiant · Halo · 14K White Gold

3.0 2.0 2.5 4.0 +4 Variants

Regular price$4,650

Sale priceFrom $2,480

47% off

Lab Grown Diamond

Blair Lab Grown Diamond Bridal Set

3.0 Total Carat · Princess · Side Stones · 14K White Gold

3.0 2.0 2.5 4.0 +4 Variants

Regular price$4,590

Sale priceFrom $2,400

48% off

Lab Grown Diamond

Catalina Lab Grown Diamond Bridal Set

3.0 Total Carat · Round · Halo · 14K White Gold

3.0 2.0 2.5 4.0 +4 Variants

Regular price$3,970

Sale priceFrom $2,110

47% off

Lucy Diamond Bridal Set - 14K White Gold

Natural Diamond

Lucy Diamond Bridal Set

3.8 Total Carat · Oval · Halo · 14K White Gold

3.8 1.8 2.3 2.8 4.8

Regular price$9,550

Sale priceFrom $5,830

33% off

Lab Grown Diamond

Jessica Lab Grown Diamond Ring Princess

3.0 Total Carat · Princess · Solitaire · 14K White Gold

3.0 1.0 1.5 2.0 +7 Variants

Regular price$2,720

Sale priceFrom $1,400

45% off

Lab Grown Diamond

Viola Lab Grown Diamond Ring

3.6 Total Carat · Emerald · 3 Stones · 14K White Gold

3.6 1.6 2.1 2.6 +7 Variants

Regular price$4,320

Sale priceFrom $2,260

44% off

1 2 3 4 5

Be the first to receive our brilliant updates  on new collections, promotions, and exclusive content

E-mail

Ready To Ship
Engagement Rings
Wedding Rings
Moissanite Rings
Bridal Sets
Lab Grown Diamond Rings
Jewelry
What are Lab diamonds
Learn about BB Moissanites

Track my order
About us
Contact an Expert
Packaging
FAQ's
Terms & Conditions

Clients Reviews
Shipping, Returns & Repairs
Financing Options
Our blog
Privacy Policy
CCPA Notice
Accessibility Statement
Ring Sizer

© 2026, Best Brilliance.
All content, brand name, designs, images, and logo are the intellectual property of Best Brilliance™. Any unauthorized use is strictly prohibited and requires prior written permission.
* Some visuals were created or enhanced for presentation purposes and may slightly differ in size or proportion from the actual product.
By providing your email address in flash sale form, you agree to receive updates and promotional emails from us
Information may be subject to change.