Contact UsContact Us Track my order Open search

Best Brilliance

Book Appointment

Country

Open search Open account page Call support Open cart

Quick Ship
Engagement Rings
- Shop by shape
- Shop by ring style
- Shop by metal
- Main stone type
- BB Experience
  - Custom design
  - Find my Ring size
- Shop by carat
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
Gifts

Quick 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

BB Experience

Custom design
Find my Ring size

Shop by carat

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

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

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
Thanksgiving Day
Single’s 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

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

Metal

14K White

14K Rose

18K White

18K Yellow

Platinum

Clearance Sale

Shape

Oval33

Radiant20

Pear9

Cushion21

Princess15

Round52

Emerald10

Marquise4

Heart1

Style

Solitaire21

Side Stones45

Halo37

3 Stones19

Double Halo13

Hidden Halo30

Price

$ to $

165 products

Sort by:

Sort by

Featured

Best selling

Price, low to high

Price, high to low

Date, new to old

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$7,620

Sale priceFrom $4,050

47% off

Moissanite Clearance Sale

Harper Moissanite Ring

7.25 Total Carat · Elongated Radiant · Solitaire · 14K White Gold

7.25

Regular price$5,920

Sale price$2,394

60% off

Stephanie Lab Grown Diamond Ring - 14K White Gold

Lab Grown Diamond Clearance Sale

Stephanie Lab Grown Diamond Ring

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

7.3

Regular price$35,250

Sale price$10,152

71% 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 +4 Variants

Regular price$2,910

Sale priceFrom $1,860

36% off

Lab Grown Diamond

Tainara Lab Grown Diamond Ring

1.8 Total Carat · Princess · Double Halo · 14K White Gold

1.8 2.3 2.8 3.3 4.3 +4 Variants

Regular price$2,820

Sale priceFrom $1,800

36% off

Lab Grown Diamond

Bruna Lab Grown Diamond Ring

2.3 Total Carat · Marquise · Double Halo · 14K White Gold

2.3 2.8 3.3 3.8 4.8 +4 Variants

Regular price$2,820

Sale priceFrom $1,800

36% off

Lab Grown Diamond

Clara Lab Grown Diamond Ring

1.7 Total Carat · Pear · Double Halo · 14K White Gold

1.7 2.2 2.7 3.2 4.2 +4 Variants

Regular price$2,410

Sale priceFrom $1,540

36% off

Lab Grown Diamond

Calandra Lab Grown Diamond Ring

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

1.5 2.0 2.5 3.0 4.0 +4 Variants

Regular price$2,270

Sale priceFrom $1,450

36% off

Charlotte Diamond & Gemstones Bridal Set (3.5 Carat) -14K White Gold

Natural Diamond

Charlotte Diamond & Gemstones Bridal Set

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

3.5

Regular price$9,950

Sale price$9,340

6% off

Natural Diamond

Charlotte Diamond & Gemstones Bridal Set

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

3.5

Regular price$9,950

Sale price$9,340

6% off

Natural Diamond

Charlotte Diamond & Gemstones Bridal Set

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

3.5

Regular price$9,950

Sale price$9,340

6% off

Lab Grown Diamond

Myaree Lab Grown Diamond Ring

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

3.0 2.0 2.5 4.0 5.0 +3 Variants

Regular price$3,140

Sale priceFrom $1,950

56% off

Nidia Diamond Engagement Ring - 14K White Gold

Natural Diamond

Nidia Diamond Engagement Ring

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

3.1 2.1 2.6 4.1 5.1 6.1

Regular price$11,240

Sale priceFrom $5,980

47% off

Myaree Diamond Engagement Ring - 14K White Gold

Natural Diamond

Myaree Diamond Engagement Ring

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

3.0 2.0 2.5 4.0 5.0 6.0

Regular price$9,240

Sale priceFrom $4,920

47% off

Lab Grown Diamond

Eloise Lab Grown Diamond Bridal Set

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

3.0 1.0 1.5 2.0 4.0 +3 Variants

Regular price$2,480

Sale priceFrom $1,530

55% off

Deborah Diamond Bridal Set -14K White Gold

Natural Diamond

Deborah Diamond Bridal Set

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

3.0 2.5 3.5 4.5 5.5

Regular price$10,890

Sale priceFrom $5,790

47% off

Lab Grown Diamond

Haven Lab Grown Diamond Bridal Set

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

3.5 2.5 3.0 4.5 5.5 +3 Variants

Regular price$5,810

Sale priceFrom $3,590

56% 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 +3 Variants

Regular price$2,570

Sale priceFrom $1,590

55% off

Lab Grown Diamond

Janet Lab Grown Diamond Ring

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

3.5 1.5 2.0 2.5 4.5 +3 Variants

Regular price$3,160

Sale priceFrom $1,950

55% off

La Fleur Diamond Bridal Set -14K White Gold

Natural Diamond

La Fleur Diamond Bridal Set

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

3.0 3.5 4.0 5.0 6.0

Regular price$11,380

Sale priceFrom $6,050

47% off

Zuri Diamond Bridal Set - 14K White Gold

Natural Diamond

Zuri Diamond Bridal Set

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

3.0 2.0 2.5 4.0 5.0

Regular price$10,420

Sale priceFrom $5,540

47% off

Maria Diamond Bridal Set - 14K White Gold

Natural Diamond

Maria Diamond Bridal Set

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

3.0 2.0 2.5 4.0 5.0

Regular price$9,950

Sale priceFrom $5,290

47% off

Sophia Diamond Bridal Set -14K White Gold

Natural Diamond

Sophia Diamond Bridal Set

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

3.0 2.0 2.5 4.0 5.0

Regular price$10,320

Sale priceFrom $5,490

47% off

Natural Diamond

Zuri Diamond Bridal Set

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

3.0 2.0 2.5 4.0 5.0

Regular price$10,420

Sale priceFrom $5,540

47% off

Alison Gemstone & Diamonds Ring (3 Carat) -14K White Gold

Natural Diamond

Alison Gemstone & Diamonds Ring

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

3.0

Regular price$2,820

Sale price$2,120

25% off

Lab Grown Diamond

Lorena Lab Grown Diamond Ring

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

3.5 1.5 2.0 2.5 4.5 +3 Variants

Regular price$3,140

Sale priceFrom $1,940

55% off

Lab Grown Diamond

Ella Lab Grown Diamond Ring

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

3.0 1.0 1.5 2.0 4.0 +3 Variants

Regular price$2,100

Sale priceFrom $1,300

54% off

Lab Grown Diamond

Skylar Lab Grown Diamond Ring

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

3.5 1.5 2.0 2.5 4.5 +3 Variants

Regular price$2,730

Sale priceFrom $1,690

55% off

Lab Grown Diamond

Samantha Lab Grown Diamond Ring

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

3.0 1.0 1.5 2.0 4.0 +3 Variants

Regular price$2,060

Sale priceFrom $1,280

55% off

Lab Grown Diamond

Nora Lab Grown Diamond Ring

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

3.0 2.0 2.5 4.0 5.0 +3 Variants

Regular price$3,850

Sale priceFrom $2,380

55% off

Lab Grown Diamond

Angela Lab Grown Diamond Ring

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

3.0 2.0 2.5 4.0 5.0 +3 Variants

Regular price$3,250

Sale priceFrom $2,010

56% off

Moissanite

Rosalie Moissanite & Diamond Ring

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

3.37 2.25 1.25 2.75 1.75 4.25

Regular price$1,320

Sale priceFrom $950

40% off

Catalina Diamond Bridal Set -14K White Gold

Natural Diamond

Catalina Diamond Bridal Set

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

3.0 2.0 2.5 4.0 5.0

Regular price$9,550

Sale priceFrom $5,080

47% off

Haven Diamond Bridal Set -14K White Gold

Natural Diamond

Haven Diamond Bridal Set

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

3.5 2.5 3.0 4.5 5.5

Regular price$12,670

Sale priceFrom $6,740

47% off

Blair Diamond Bridal Set -14K White Gold

Natural Diamond

Blair Diamond Bridal Set

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

3.0 2.0 2.5 4.0 5.0

Regular price$9,950

Sale priceFrom $5,290

47% 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
Financing Options
Our blog
Privacy Policy
CCPA Notice
Accessibility Statement
Ring Sizer

© 2025, 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.