Katz Jewelry Company

A New York City jeweller with roots in the city as far back as 1963. A family operation ever since. A family owned and operated business for over 45 years.

Dedicated to helping our friends and customers with their diamond desires. Sales, repairs and custom designs.

Photos from Katz Jewelry Company's post 09/05/2024

What do you think of this combination of lab grown diamonds (tapered baguette shape) and platinum? I think it makes a beautiful engagement ring!

09/05/2024

A 7.5 carat natural diamond set into a 14k white gold eternity band. A common theme and look over the last few years, this style stands out for being bold yet understated. We love it!

Photos from Katz Jewelry Company's post 08/13/2024

Nothing but pure lab grown diamonds… 7 carats, emerald cut, soaked in platinum for an endless shimmer. We all win today!

Photos from Katz Jewelry Company's post 07/16/2024

This custom, multi-shaped wedding band contains 3 1/2 CT of mixed diamond shapes such as princess cut, pair, oval, and marquis cuts. Affixed in a 14k white gold shank, this unique unit comes to you today with an equally unique insight into its design process. Every big thought, and every great thing —- starts on the back of a napkin!

Photos from Katz Jewelry Company's post 06/12/2024

Witness our elegant two-tone engagement ring, featuring a stunning 3 carat lab-grown center diamond. This exquisite piece is complemented by an additional 1/2 carat of diamonds delicately set in the shank and hidden halo.
Crafted in 14 karat yellow and white gold, this ring offers a timeless blend of classic and contemporary design. Perfect for those seeking a sophisticated and ethically sourced choice for their special moment.

Photos from Katz Jewelry Company's post 06/08/2024

An amazing wedding band that feature alternating oval and emerald lab grown diamonds totalling 11 carats. Held together strong by a platinum shank, it’s the sensible combination to celebrate all the years past, and all the ones yet to come!

05/14/2024

Bask in the radiant allure of this exquisite 14k yellow gold engagement ring, where a captivating 2-carat mined diamond takes center stage, its brilliant facets casting a dazzling dance of light. The shank is elegantly adorned with shimmering diamonds, adding a touch of timeless sophistication to this symbol of eternal

Photos from Katz Jewelry Company's post 03/31/2024

Perfect timing for a beautiful and intricate 18k yellow and white golden cross pendant. A meaningful symbol of faith for your Easter weekend. Note the interior and side diamonds, lab grown, totalling 4.5 CT

03/29/2024

The epitome of elegance! This 3.21 CT lab grown cushion cut diamond engagement ring is crafted in lustrous 14k white gold. Its VS1 clarity rating only adds to its beauty.

03/29/2024

Stylish tennis necklace made of 14k white gold and a glimmering 16.5 CT of diamonds.

02/20/2024

Usually they measure pears by the pound... But in this case, we're measuring by Carats! This is a beefy 6 carat lab grown pear shaped diamond. It's going to be difficult for the newly engaged woman to lift her hand to show it off!

Photos from Katz Jewelry Company's post 02/14/2024

Who doesn't love a Jamaican proposal?
This engagement ring made it's way to the warm shores of Jamaica for a 'better late than never' proposal.
By the way... She said YES :)

01/21/2024

Radiate sophisticated style with this 14k white gold tennis bracelet featuring 5 1/2 cts of natural diamonds and 6 3/4cts of genuine sapphires. Round and oval stones glitter in an alternating design for a total of 12 1/4 cts. Complete with a secure double-locking clasp, this bracelet is perfect for adding sparkle to any outfit.

01/11/2024

A touch of sophistication, forever on your finger (or her finger 😀)...
https://www.katzjewelryco.com/product/2-1-4-ct-lab-grown-diamond-engagement-ring/

12/28/2023

Lab grown diamonds have become popular for jewelry, there’s no doubt. But did you know how useful they have become in other sectors? For example the tech industry has traditionally made use of diamonds for microprocessors, LED’s, lasers, and more - But thanks to Lab Grown Diamonds, they can continue to make strides forward into the future without damaging the environment. How cool is that?

12/28/2023

Lab grown diamonds have become popular for jewelry, there's no doubt. But did you know how useful they have become in other sectors? For example the tech industry has traditionally made use of diamonds for microprocessors, LED's, lasers, and more - But thanks to Lab Grown Diamonds, they can continue to make strides forward into the future without damaging the environment. How cool is that?

12/08/2023

This elegant bangle bracelet is crafted from 14 karat white and yellow gold. Set with 22 round brilliant cut diamonds totaling 4.5 carats, it sparkles beautifully on the wrist. The white gold and diamonds combine for a classic yet stylish look, while the yellow gold adds warmth and visual interest. It is designed to fit most wrist sizes comfortably.

12/06/2023

Add a splash of glamor to your holiday look with this beautifully crafted 14k yellow gold necklace featuring three sparkling white gold bezel drops embedded with shimmering lab grown diamonds (ohhhhh, ahhhhh!). Only $395, order asap to ensure delivery prior to Christmas! Thanks!

https://www.katzjewelryco.com/product/diamonds-by-the-drop-2023-holiday-special/

12/02/2023

Nothing says it better than a happy customer... 😀

11/22/2023

This nearly weightless necklace features a brilliant 1.05 carat lab grown diamond with a D color rating, the clearest color possible. The VS2 clarity gem sparkles brightly on its own, needing no enhancement. Mounted in 14k white gold, this necklace is sure to become a favorite.

Photos from Katz Jewelry Company's post 11/03/2023

This ring features a stunning 4.16-carat lab-grown diamond at its center, boasting an impressive F color and VS2 clarity for a clear, radiant appearance. The shank and hidden halo beneath the centerpiece shimmer with an additional 0.6 carats of small, hand-set diamonds, providing a subtle but captivating allure. Each prong is delicately accented with miniature diamonds, ensuring a continuous sparkle from every angle. This ring, with its blend of size and sparkle, offers a modern twist on a classic design, perfect for those who seek sophisticated elegance.

10/04/2023

Get to know your diamond shapes & cuts! Here's three very special, yet familiar shapes to get you started. Oval cut, Emerald cut, and Pear cut! The samples in this image are large lab grown diamonds. They really showcase the quality and clarity of lab grown stones! Amazing!

09/30/2023

This 4.06ct Radiant Cut Engagement Ring offers a clean and simple design. With an E/VVS2 grade, the diamond is almost perfect in clarity. The cut combines the shape of an emerald with added sparkle, and it's subtly accented with a diamond under-halo.

A straightforward yet elegant choice.

09/25/2023

Just remember, parents, the children are watching! My 9 year-old granddaughter is starting to design jewelry. She even shows the stages of development... Where ever did she get that idea from 😉. All centred around a pearl, what an idea! I love it! Hopefully more to come!

09/21/2023

This necklace is pretty special. At its heart is a 3-carat lab-grown diamond with a unique mix of orange and pink colors that really catch the eye. Around it, you've got a ring of smaller lab-grown diamonds adding a subtle but lovely sparkle—perfect for when you want to wear something that's both beautiful and responsibly sourced.

https://www.katzjewelryco.com/product/3-carat-fancy-orange-pink-diamond-necklace/

Photos from Katz Jewelry Company's post 08/24/2023

2.75 CT Lab Grown Oval Diamond Prong Ring

This engagement ring features a 2.75 carat lab-grown oval diamond with F color and VS1 clarity. It’s complemented by an additional .25ct of small diamonds, found in the prongs and the under halo, adding a subtle touch of sparkle to the design.

08/24/2023

Showcase your love with an elegant engagement ring like this one, featuring a 4.61ct lab-grown emerald-cut diamond of F color and VS1 clarity. Complemented by two rare SHIELD cut diamonds weighing 1.20cts, and set in handcrafted platinum, the total diamond weight is 5.81cts. A unique and sophisticated choice for a truly special occasion.

08/16/2023

These 14k two-tone earrings elegantly combine a sandblast/matte finish to create a sophisticated yet understated look. Adorned with 1.25 carats of sparkling diamonds, they offer a touch of luxury without being overly extravagant. Perfect for both casual and formal occasions, these earrings are a versatile addition to any jewelry collection.

08/16/2023

These 14k two-tone earrings elegantly combine a sandblast/matte finish to create a sophisticated yet understated look. Adorned with 1.25 carats of sparkling diamonds, they offer a touch of luxury without being overly extravagant. Perfect for both casual and formal occasions, these earrings are a versatile addition to any jewelry collection.

08/11/2023

This wedding band features 6.5 carats total of stunning lab-grown diamonds, meticulously set in the finest platinum.

This ring is not only a symbol of love but also a thoughtful choice for those with sensitive skin. Platinum’s hypoallergenic properties make it an ideal choice for individuals with allergies to nickel, commonly found in 14 karat white gold and most costume jewelry.

With its blend of elegance and practicality, this ring is the perfect choice for a lifetime of comfort and brilliance.

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Videos (show all)

Back in June I posted about the design and creation of this ring... Now witness the reveal and proposal on video!Featuri...
Lab Grown Diamonds - A Thing of Beauty

Telephone

Address


37 W 47th Street Unit 25
New York, NY
10036

Opening Hours

Monday 10am - 5pm
Tuesday 10am - 5pm
Wednesday 10am - 5pm
Thursday 10am - 5pm
Friday 10am - 4pm

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