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

Oval33

Radiant17

Pear9

Cushion21

Princess13

Round52

Emerald10

Marquise4

Heart1

Style

Solitaire20

Side Stones41

Halo36

3 Stones19

Double Halo13

Hidden Halo31

Price

$ to $

160 products

Sort by:

Sort by

Featured

Best selling

Price, low to high

Price, high to low

Date, new to old

Moissanite

Alma Moissanite Ring

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

3.1 2.1 1.0 2.5 1.5 4.3

Regular price$2,050

Sale priceFrom $920

57% off

Lab Grown Diamond

Maria Lab Grown Diamond Bridal Set

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

3.0 2.0 2.5 4.0 5.0 +3 Variants

Regular price$4,490

Sale priceFrom $2,090

54% off

Lab Grown Diamond

Jessica Lab Grown Diamond Ring

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

3.0 1.0 1.5 2.0 4.0 +6 Variants

Regular price$2,720

Sale priceFrom $1,210

50% off

Lab Grown Diamond

Whitney Lab Grown Diamond Ring

3.5 Total Carat · Square Cushion · 3 Stones · 14K White Gold

3.5 1.5 2.0 2.5 4.5 +6 Variants

Regular price$3,640

Sale priceFrom $1,620

50% off

Lab Grown Diamond

Julianna Lab Grown Diamond Ring

3.0 Total Carat · Square Radiant · Solitaire · 14K White Gold

3.0 1.0 1.5 2.0 4.0 +6 Variants

Regular price$2,720

Sale priceFrom $1,210

50% off

Moissanite

Talia Moissanite & Diamond Ring

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

3.3 2.18 1.18 2.68 1.68 4.18

Regular price$2,170

Sale priceFrom $990

55% off

Moissanite

Lorena Moissanite & Diamond Ring

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

3.62 2.5 1.5 3.0 2.0 4.5

Regular price$2,800

Sale priceFrom $1,370

52% off

Lola Diamond Engagement Ring -14K White Gold

Natural Diamond

Lola Diamond Engagement Ring

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

3.0 3.5 4.0 5.0 6.0

Regular price$12,140

Sale priceFrom $6,730

45% off

Royal Diamond Engagement Ring -14K White Gold

Natural Diamond

Royal Diamond Engagement Ring

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

3.5 1.5 2.0 2.5 4.5

Regular price$7,890

Sale priceFrom $4,380

42% off

Moissanite

Nidia Moissanite & Diamond Ring

3.3 Total Carat · Marquise · Side Stones · 14K White Gold

3.3 2.1 2.6 4.1

Regular price$3,100

Sale priceFrom $1,400

55% off

Lab Grown Diamond

Kelly Lab Grown Diamond Ring

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

3.5 1.5 2.0 2.5 4.5 +6 Variants

Regular price$3,550

Sale priceFrom $1,690

48% off

Lab Grown Diamond

Charlie Lab Grown Diamond Ring

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

3.25 1.25 1.75 2.25 4.25 +6 Variants

Regular price$3,290

Sale priceFrom $1,500

49% off

Moissanite

Layla 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$2,490

Sale priceFrom $1,170

54% off

Natural Diamond

Lara Diamond Bridal Set

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

3.0 2.0 2.5 4.0 5.0

Regular price$10,670

Sale priceFrom $5,910

39% off

Lab Grown Diamond

Amanda Lab Grown Diamond Ring

3.5 Total Carat · Princess · 3 Stones · 14K White Gold

3.5 3.0 4.0 5.0 6.0 +6 Variants

Regular price$4,940

Sale priceFrom $2,190

56% off

Lab Grown Diamond

Hilary Lab Grown Diamond Ring

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

3.0 2.0 2.5 4.0 5.0 +6 Variants

Regular price$3,520

Sale priceFrom $1,610

55% off

Lab Grown Diamond

Willa Lab Grown Diamond Ring

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

3.0 2.0 2.5 4.0 5.0 +6 Variants

Regular price$4,540

Sale priceFrom $2,180

53% off

Moissanite

Margaret Moissanite & Diamond Ring

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

3.22 2.1 1.1 2.6 1.6 4.1

Regular price$2,220

Sale priceFrom $1,000

55% off

Moissanite

Nora Moissanite & Diamond Ring

3.15 Total Carat · Oval · Double Halo · 14K White Gold

3.15 2.5 2.0 4.0 5.2 6.8

Regular price$3,300

Sale priceFrom $1,580

52% off

Moissanite

Charlotte 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$3,100

Sale priceFrom $1,490

53% off

Joana Diamond Engagement Ring -14K White Gold

Natural Diamond

Joana Diamond Engagement Ring

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

2.5 1.5 2.0 3.5 4.5

Regular price$10,050

Sale priceFrom $5,580

39% off

Molly Diamond Engagement Ring -14K White Gold

Natural Diamond

Molly Diamond Engagement Ring

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

3.0 2.0 2.5 4.0 5.0

Regular price$9,420

Sale priceFrom $5,230

39% off

Molly Diamond Engagement Ring (3.5 Carat) -14K White Gold

Natural Diamond

Molly Diamond Engagement Ring

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

3.0 2.0 2.5 4.0 5.0

Regular price$9,740

Sale priceFrom $5,400

39% off

Lab Grown Diamond

Margarita Lab Grown Diamond Ring

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

3.5 1.5 2.0 2.5 4.5 +6 Variants

Regular price$4,170

Sale priceFrom $2,030

47% off

Lab Grown Diamond

Kaylee Lab Grown Diamond Ring

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

3.0 1.0 1.5 2.0 4.0 +6 Variants

Regular price$2,990

Sale priceFrom $1,320

50% off

Madeline Diamond Bridal Set -14K White Gold

Natural Diamond

Madeline Diamond Bridal Set

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

3.0 2.0 2.5 4.0 5.0

Regular price$10,100

Sale priceFrom $5,330

42% off

Grace Diamond Bridal Set -14K White Gold

Natural Diamond

Grace Diamond Bridal Set

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

3.0 2.0 2.5 4.0 5.0

Regular price$10,220

Sale priceFrom $5,670

39% off

Janet Diamond Engagement Ring -14K White Gold

Natural Diamond

Janet Diamond Engagement Ring

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

3.5 1.5 2.0 2.5 4.5

Regular price$8,770

Sale priceFrom $4,860

39% off

Luciana Diamond Engagement Ring -14K White Gold

Natural Diamond

Luciana Diamond Engagement Ring

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

3.5 1.5 2.0 2.5 4.5

Regular price$8,290

Sale priceFrom $4,590

39% off

Milani Diamond Engagement Ring -14K White Gold

Natural Diamond

Milani Diamond Engagement Ring

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

3.0 1.0 1.5 2.0 4.0

Regular price$6,670

Sale priceFrom $3,690

39% off

Kamala Diamond Engagement Ring -14K White Gold

Natural Diamond

Kamala Diamond Engagement Ring

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

3.5 1.5 2.0 2.5 4.5

Regular price$9,350

Sale priceFrom $5,190

39% off

Priscilla Diamond Engagement Ring -14K White Gold

Natural Diamond

Priscilla Diamond Engagement Ring

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

3.1 1.1 1.6 2.1 4.1

Regular price$6,570

Sale priceFrom $3,640

39% off

Bell Diamond Engagement Ring -14K White Gold

Natural Diamond

Bell Diamond Engagement Ring

3.4 Total Carat · Oval · Side Stones · 14K White Gold

3.4 1.4 1.9 2.4 4.4

Regular price$7,290

Sale priceFrom $4,040

39% off

Lab Grown Diamond

Stephanie Lab Grown Diamond Ring

7.3 Total Carat · Oval · Side Stones · 14K White Gold

7.3

Regular price$16,840

Sale price$5,000

70% off

Lab Grown Diamond

Alberta Lab Grown Diamond Ring

1.9 Total Carat · Elongated Radiant · Double Halo · 14K White Gold

1.9 2.4 2.9 3.4 4.4 +7 Variants

Regular price$5,200

Sale priceFrom $2,360

43% 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.