Gold and Diamond Jewelry

Designed to Dazzle

Every piece begins with a perspective - yours. We create fine jewelry with intention: distinct in design, precise in execution, and made for those who expect more than the expected.

SHOP COLLECTIONS
Woman wearing jewelry including a ring, necklace, and bracelet against a beige background

Design Your Dream Ring

Select your setting, discover your diamond, and watch your vision take shape—every detail considered, every element yours.

CREATE YOUR RING

Customize It With Your Own Diamond

Shop Natural and Lab Grown Diamonds By Shape

Round

Cushion

Emerald

Oval

Radiant

Pear

Marquise

Square Radiant

Asscher

Elongated Cushion

Heart

Princess

Square Emerald

Shop 18 KARATS Collections

Engagement Ring Settings - 18 KARATS

Engagement Rings

Wedding Bands - 18 KARATS

Wedding Bands

Earrings - 18 KARATS INC.

Earrings

Gold and Diamond Necklaces - 18 KARATS

Necklaces

Shop Engagement Ring Settings

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The Grace Marquise Lab Diamond Engagement Ring - R1011 in Ready Rings by 18 KARATS INC.
The Grace Marquise Lab Diamond Engagement Ring - R1011 in Ready Rings by 18 KARATS INC.
The Grace Marquise Solitaire Engagement Ring - R1011 from $985.00
The Grace Emerald Solitaire Engagement Ring - R1046 in Ring by 18 KARATS INC.
The Grace Emerald Solitaire Engagement Ring - R1046 in Ring by 18 KARATS INC.
The Grace Emerald Solitaire Engagement Ring- R1046 from $985.00
The Grace Pear Lab Diamond Engagement Ring - R1012 in Ready Rings by 18 KARATS INC.
The Grace Pear Lab Diamond Engagement Ring - R1012 in Ready Rings by 18 KARATS INC.
The Grace Pear Solitaire Engagement Ring - R1012 from $985.00
Adore Half Bezel Oval Diamond Engagement Ring - R1048 in Ring by 18 KARATS INC.
Adore Half Bezel Oval Diamond Engagement Ring - R1048 in Ring by 18 KARATS INC.
Adore Half Bezel Oval Diamond Engagement Ring - R1048 from $1,030.00
Contour Elongated Cushion Diamond Engagement Ring - R1066 in Ring by 18 KARATS INC.
Contour Elongated Cushion Diamond Engagement Ring - R1066 in Ring by 18 KARATS INC.
Contour Elongated Cushion Diamond Engagement Ring- R1066 from $1,035.00
Adore Half Bezel Marquise Diamond Engagement Ring - R1054 in Ring by 18 KARATS INC.
Adore Half Bezel Marquise Diamond Engagement Ring - R1054 in Ring by 18 KARATS INC.
Adore Half Bezel Marquise Diamond Engagement Ring - R1054 from $1,030.00

Shop Solitaire Engagement Ring Settings

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Serene Elongated Cushion Diamond Engagement Ring - R1058 in Ring by 18 KARATS INC.
Serene Elongated Cushion Diamond Engagement Ring - R1058 in Ring by 18 KARATS INC.
Serene Elongated Cushion Diamond Engagement Ring - R1058 from $1,350.00
Contour Elongated Cushion Diamond Engagement Ring - R1066 in Ring by 18 KARATS INC.
Contour Elongated Cushion Diamond Engagement Ring - R1066 in Ring by 18 KARATS INC.
Contour Elongated Cushion Diamond Engagement Ring- R1066 from $1,035.00
Solenne Button Back Marquise Diamond Engagement Ring - R1073 in Ring by 18 KARATS INC.
Solenne Button Back Marquise Diamond Engagement Ring - R1073 in Ring by 18 KARATS INC.
Solenne Button Back Marquise Diamond Engagement Ring - R1073 from $1,350.00
Solenne Button Back Heart Diamond Engagement Ring - R1074 in Ring by 18 KARATS INC.
Solenne Button Back Heart Diamond Engagement Ring - R1074 in Ring by 18 KARATS INC.
Solenne Button Back Heart Diamond Engagement Ring - R1074 from $1,350.00
Solenne Button Back Elongated Cushion Diamond Engagement Ring - R1076 in Ring by 18 KARATS INC.
Solenne Button Back Elongated Cushion Diamond Engagement Ring - R1076 in Ring by 18 KARATS INC.
Solenne Button Back Elongated Cushion Diamond Engagement Ring - R1076 from $1,350.00
Contour Cushion Diamond Engagement Ring - R1067 in Ring by 18 KARATS INC.
Contour Cushion Diamond Engagement Ring - R1067 in Ring by 18 KARATS INC.
Contour Cushion Diamond Engagement Ring - R1067 from $1,035.00

Shop Bezel Engagement Ring Settings

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Royal Marquise East - West Bezel Engagement Ring - R1015 in Ring by 18 KARATS INC.
Royal Marquise East West Bezel Engagement Ring - R1015 in Ring by 18 KARATS
Royal Marquise East-West Bezel Engagement Ring - R1015 from $970.00
Golden Radiance Bezel Engagement Ring -  R1016 in Ring by 18 KARATS
Golden Radiance Bezel Engagement Ring -  R1016 in Ring by 18 KARATS
Radiant Diamond Bezel Engagement Ring - R1016 from $1,000.00
Eternal Radiance Half Bezel Engagement Ring - R1017 in Ring by 18 KARATS
Eternal Radiance Half Bezel Engagement Ring - R1017 in Ring by 18 KARATS
Eternal Radiance Half Bezel Engagement Ring - R1017 from $1,150.00
Prong Set El Cushon Ring - R1021 in Ring by 18 KARATS
The Chunky Split Radiant Diamond Engagement Ring – R1021 from $1,230.00
The Adore Half - Bezel Engagement Ring - R1026 in Ring by 18 KARATS INC.
The Adore Half - Bezel Engagement Ring - R1026 in Ring by 18 KARATS
Adore Half Bezel Radiant Diamond Engagement Ring - R1026 from $1,030.00
The Trinity Diamond Gold Ring - SC1001 in Ring by 18 KARATS INC.
The Trinity Diamond Gold Ring - SC1001 in Ring by 18 KARATS INC.
The Trinity Diamond Gold Ring - SC1001 from $3,800.00

Shop Diamond Pendants

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The Heart Diamond Solitaire Pendant - P1111 in Necklace by 18 KARATS INC.
The Heart Diamond Solitaire Pendant - P1111 in Necklace by 18 KARATS INC.
The Heart Lab Diamond Solitaire Pendant - P1111 from $1,080.00
Pear - Cut Diamond Bezel Necklace - P1109 in Necklace by 18 KARATS INC.
Pear - Cut Diamond Bezel Necklace - P1109 in Necklace by 18 KARATS INC.
Pear-Cut Lab Diamond Bezel Necklace - P1109 from $950.00
Pendent "Piece of Peace" - SC1002 in Necklace by 18 KARATS
Pendent "Piece of Peace" - SC1002 in Necklace by 18 KARATS
The Trinity Diamond Gold Necklace- SC1002 from $9,360.00
Classic Four - Prong Round Diamond Necklace - P1101 in Necklace by 18 KARATS INC.
Classic Four - Prong Round Diamond Necklace - P1101 in Necklace by 18 KARATS INC.
Classic Four-Prong Round Diamond Necklace - P1101 from $550.00
Modern Bezel Diamond Pendant - P1102 in Necklace by 18 KARATS INC.
Modern Bezel Diamond Pendant - P1102 in Necklace by 18 KARATS INC.
Modern Bezel Diamond Pendant - P1102 from $575.00
Essential Single Diamond Solitaire Necklace -  P1103 in Necklace by 18 KARATS INC.
Essential Single Diamond Solitaire Necklace -  P1103 in Necklace by 18 KARATS INC.
Essential Single Diamond Solitaire Necklace - P1103 from $575.00

Shop Diamond Earrings

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Bezel Marquise Diamond Drop Earrings - E1107 in Earrings by 18 KARATS INC.
Bezel Marquise Diamond Drop Earrings - E1107 in Earrings by 18 KARATS INC.
Bezel Marquise Diamond Drop Earrings - E1107 from $2,100.00
Asscher Diamond Dangle Hoop Earrings - E1108 in Earrings by 18 KARATS INC.
Asscher Diamond Dangle Hoop Earrings - E1108 in Earrings by 18 KARATS INC.
Asscher Diamond Dangle Hoop Earrings - E1108 from $2,560.00
Bezel Pear Diamond Drop Earrings - E1109 in Earrings by 18 KARATS INC.
Bezel Pear Diamond Drop Earrings - E1109 in Earrings by 18 KARATS INC.
Bezel Pear Diamond Drop Earrings - E1109 from $2,100.00
Forever Sparkle Bezel Stud Earrings — E1102 in Earrings by 18 KARATS
Forever Sparkle Bezel Stud Earrings — E1102 in Earrings by 18 KARATS
Modern Bezel Diamond Stud Earrings - E1102 from $730.00
Earrings "Piece of Peace" - SC1004 in Ring by 18 KARATS
Earrings "Piece of Peace" - SC1004 in Ring by 18 KARATS
The Trinity Diamond Gold Earrings - SC1004 from $5,250.00

Gemstones

Shop our range of loose gemstones or make your own ring with your gemstone of choice, featuring rubies, sapphires, emeralds, and more.

BUY GEMSTONES BUILD A RING

Colored Diamonds

Create your ring or buy your colored diamond of choice with our colored diamonds, from pink and violet to blues, reds, and more in your choice of natural or lab diamonds.

BUY DIAMONDS BUILD A RING
Pink diamond on a light gray background

About 18 KARATS

18 KARATS specializes in designing and manufacturing luxury gold jewelry and diamond jewelry with premium white gold, yellow gold, rose gold, platinum, and quality diamonds.

With over 20 years of experience in jewelry design and manufacturing, 18 KARATS is one of Los Angeles' largest and most experienced jewelry manufacturers, offering exceptional pieces and designs.

ABOUT US

Your Vision. No Limits

Custom Designs

Create without limits. Choose your diamond, define the setting, select the metal, and refine every detail—down to the smallest element. Each piece is crafted from the ground up to reflect your vision. We guide the process with years of expertise, transforming your ideas into a one-of-a-kind piece.

Request a special order, and we’ll get started right away! You'll receive a digital rendering complete with design revisions to provide the look you always imagined.

CONTACT OUR TEAM

18 KARATS Promise

Every purchase from 18 KARATS comes with our quality guarantee. We offer a lifetime warranty on every item, with convenient resizing, returns, and customization options.

18K Gold - Diamond Rings

Lifetime Warranty and Upgrades

Lifetime warranty on defects and lifetime upgrades with only the difference in price.

18K Gold - Diamond Rings

30 Day Money Back Guarantee

If you're not completely satisfied, return within 30 days for a full refund.

18K Gold - Diamond Rings

60 Days Unlimited Resizing

Need a different size? Enjoy complimentary resizing for 60 days to ensure the perfect fit.

18K Gold - Diamond Rings

Free Shipping and Returns

We offer free domestic shipping and returns for a worry-free experience.

18K Gold - Diamond Rings

Precision and Quality

We use microscopes to set all diamonds for maximum accuracy and quality.

18K Gold - Diamond Rings

Customized For You

Modify any existing design or create a one-of-a-kind piece.