A One Gems

At A-One Gems we are the third generation diamond merchants serving all the states of U.S.

for over 3 decades with ever increasing trust and reputation built with each passing year. We are well-known in the diamond industry for integrity and reliability. We specialize in blue diamonds, green diamonds, yellow diamonds, cognac diamonds, champagne diamond, black diamonds, rose cut diamonds, black bead & black briolette.

Photos from A One Gems's post 02/25/2022

Really Amazing Salt & Pepper
Salt & Pepper
Cut: Pear/Oval/Round
Colour: Black and Brown

Limited in Stock

DM / Call us for more info!

Happy Friday

&Pepper

02/22/2022

Fancy Champ Diamond
Cut: Round
Carat: 2.61
Clarity: VS2
DM / Call us for more info!
A-One Gems, Inc.
62 W 47th Street Suite #903, NY

07/22/2021

Save the Booth #
JCK LAS VEGAS 2021

05/18/2021

Black Diamond Necklace
107 ctw
14K WG clasp
Also available in other shapes/sizes
Contact us @ 212-391-2474

04/13/2021

🔥Gray Diamond🔥
2.01 ct GIA Fancy Gray Diamond

Dm us for more info!

04/12/2021

**New Stock Alert**
GIA Certified Fancy Pink (HPHT Treated)
DM/Call to get your hand on one of these beauties!

03/22/2021

Thinking of large Natural Black Diamonds?

We got a huge inventory of large Natural and Treated Black diamonds.

Dm us for more details.

02/12/2021

Did you know we also deal with rubies and other precious gems?

Check this gorgeous Heart Ruby.

02/11/2021

Champagne princess for her this valentines.

Lot # CH-105
Cut: Princess
Carat: 1.05
Clarity: VS1
Color: C-5

DM for more info!

02/10/2021

Natural Black Diamond for the mid week

Lot # AO-1091
Cut : Pear
Carat: 2.510
Color: Natural Black
Clarity: VS2
GIA: 1206966048

DM for more info!

01/13/2021

Check this 3ct Fancy Vivid Yellow Diamond (Irradiated).
DM for more info on our treated yellow diamond collection.

Photos from A One Gems's post 01/13/2021

Did you know? We also have Black Diamond Jewelry as well.
Swipe to check.
Let us know your favorite.
Dm us for more info.

Photos from A One Gems's post 01/07/2021

New Inventory Alert! Natural Black Diamonds available with GIA quality assurance certificate.

DM for more information!

01/04/2021

Celebrate the start of a New Year with dazzling yellow diamonds!

DM for more info on our yellow diamond collection.

12/30/2020

Add some Green sparkle to your life! with our Fancy Green Diamond collection.
DM us for more info.

12/29/2020

Carat: 6.61
Cut: Emerald
Clarity: VS1
GIA certified.

Price upon request!

12/29/2020

Carat: 9.13
Cut: Oval
Clarity: VS1
GIA certified
Price upon request!

12/29/2020

Carat: 7.10
Cut: Pear
Clarity: VS1
Price Upon request!

12/28/2020

Celebrate this New Year’s Eve with a sparkle of Treated Fancy Blue Diamonds, available in various shapes and sizes!
DM for more info on our Blue Diamond Collection.

12/24/2020

Christmas magic is in the air. We wish you have a merry Christmas.

12/23/2020

Celebrate this New Year’s eve with a sparkle of Natural Champagne diamonds!
DM for more info on our Champagne diamond collection.

12/18/2020

Carat: 2.31
Cut: Cushion
Clarity: VVS1
Color: Fancy Pink
Dimension: 8.70x6.99x4.73 mm
Treatment: HPHT
GIA: 6197597646

Price upon request!

Send inquiries to [email protected]/ 212-391-2474.

12/14/2020

From Light Champagne to Dark Champagne!

Lot # CH-480 6.87 ct
Lot # CH-354 3.07 ct
Lot # CH-496 3.33 ct

Dm for inquiries!

12/09/2020

Stone: Ceylon Sapphire
Cut: Oval
Weight: 5.46 ct
Dimension: 11.68 x 8.30 x 6.64
Price upon request!

12/09/2020

Black diamonds available in various shapes and sizes, treated and natural. Contact for inquiries!

12/09/2020

Stone: Ceylon Sapphire
Cut: Oval
Weight: 6.13 ct
Dimension: 9.71 x 9.66 x 6.91
Price upon request!

12/08/2020

Type: Columbian Emerald
Carat: 2.65 ct
Cut: Emerald
Dimensions: 8 x 8 mm

Send contact inquiries to [email protected]

12/07/2020

Lot: 450
Type: Fancy Yellow
Carat: 1.04
Clarity: VS2
Cut: Radiant
Treatment: None
GIA: 1142790552
Price upon request!

11/20/2020

Lot # 1084
Carat: 2.61 ct
Cut: Round
Clarity: VS2
Color: Light Champagne

Price upon request!

Email/Call for inquiries!

11/13/2020

Bright as the sun. Check out our Reddish Orange Diamond!

Lot # : BE-2211
Weight: 3.88 ct
Cut: Radiant
Clarity: VVS2
Treatment: Irradiated
Dimensions: 9.36x8.12x5.17
Color: Reddish Orange

Price upon request!

11/13/2020

Fancy Orange Diamond.
DM for inquiries!

11/13/2020

Fancy Red Diamond.
DM for inquiries!

11/10/2020

Indulge your thirst for beauty with this sparkling Natural Champagne Diamond!

Lot No: CH-1065
Weight: 3.03 ct
Cut: Oval
Clarity: SI1
Treatment: None
Dimensions: 10.9x8.06x5.22
Color: Intense Brown(C-5)

Price upon request!

11/09/2020

Natural brown diamonds to start your Monday!

11/09/2020

Natural brown diamonds to start your Monday!

11/03/2020

We have these beautiful Cushion Shape Salt & Pepper diamond pair available for immediate purchase

Color: Salt and Pepper
Total weight: 7.39 ct
Clarity: NA
Cut: Cushion
Price Upon Request!

Contact: Neal(212-391-2474 Ext:11) / Sam(212-391-2474 Ext:14)

11/03/2020

We have these beautiful Round Shape Salt & Pepper diamond pair available for immediate purchase.

Color: Salt and Pepper
Total weight: 8.25 ct
Clarity: NA
Cut: Round
Price Upon Request!

Contact: Neal(212-391-2474 Ext:11) / Sam(212-391-2474 Ext:14)

11/03/2020

We have these beautiful Kite Shape Salt & Pepper diamonds available for immediate purchase

Color: Salt and Pepper
Total weight: 4.24 ct
Clarity: NA
Cut: Kite
Price Upon Request!

Contact: Neal(212-391-2474 Ext:11) / Sam(212-391-2474 Ext:14)

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Videos (show all)

Natural Black Diamond Emerald cut
Natural Black Diamond Oval cut
Natural Black Diamond Pear cut
Fancy Pink Diamond (Treated) GIA 2.31 ct
Ceylon Sapphire Oval 5.46ct
Stunning Treated Black Diamonds
Columbian Emerald 2.65ct

Telephone

Address


62 W 47th Street Suite #903
New York, NY
10036

Opening Hours

Monday 10:30am - 6:30pm
Tuesday 10:30am - 6:30pm
Wednesday 10:30am - 6:30pm
Thursday 10:30am - 6:30pm
Friday 10:30am - 6:30pm

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