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PRODUCTS

refined essence of brilliance

Mountings 

JH Co., Ltd. is a leading manufacturer in Korea specializing in the production and supply of 925 silver chains, recognized for its consistent quality and reliable supply capabilities. We also specialize in 14K and 18K gold chains, as well as various jewelry mountings, offering a comprehensive product portfolio ranging from chain components to finished jewelry. For detailed product inquiries, please contact us through our inquiry page at any time.

Necklace Mountings - Straight Round

Designed for both elegance and functionality, our gold mounting collection features refined craftsmanship, secure stone settings, and timeless silhouettes suitable for a wide range of jewelry applications.

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Specifications
Item NoDia SizeDia. Q'tyWeight/gLength
NRD1.5RD1.522911.37
(3.2ct)		16"
(406.4mm)
NRD1.5RD1.524112.51
(3.4ct)		17"
(431.8mm)
NRD1.75RD1.7519712.9
(4.5ct)		16"
(406.4mm)
NRD1.75RD1.7522014.53
(5.25ct)		18"
(457.2mm)
NRD1.75RD1.7525016.53
(6ct)		20"
(508mm)
NRD2.0RD2.017615.62
(5.5ct)		16"
(406.4mm)
NRD2.0RD2.018716.75
(6ct)		17"
(431.8mm)
NRD2.0RD2.019817.51
(6.5ct)		18"
(457.2mm)
NRD2.25RD2.2516116.02
(7ct)		16"
(406.4mm)
NRD2.25RD2.2518117.92
(8ct)		18"
(457.2mm)
NRD2.5RD2.514917.33
(8.5ct)		16"
(406.4mm)
NRD2.5RD2.516919.50
(9.5ct)		18"
(457.2mm)
NRD2.5RD2.5187-
(10.5ct)		20"
(508mm)
NRD2.75RD2.7513317.38
(11ct)		16"
(406.4mm)
NRD2.75RD2.7515219.98
(12ct)		18"
(457.2mm)
NRD2.75RD2.7516722.30
(13ct)		20"
(508mm)
NRD2.75RD2.7518324.27
(14.5ct)		22"
(558.8mm)
NRD3.0RD3.012518.31
(12ct)		16"
(406.4mm)
NRD3.0RD3.014120.50
(14ct)		18"
(457.2mm)
NRD3.0RD3.015622.19
(16ct)		20"
(508mm)
NRD3.0RD3.017224.47
(17ct)		22"
(558.8mm)
NRD3.25RD3.2511919.83
(15ct)		16"
(406.4mm)
NRD3.25RD3.2513522.32
(17ct)		18"
(457.2mm)
NRD3.25RD3.2514924.62
(19ct)		20"
(508mm)
NRD3.25RD3.2516427.04
(21ct)		22"
(558.8mm)
NRD3.4RD3.411519.14
(16.8ct)		16.14"
(410mm)
NRD3.5RD3.510919.50
(18ct)		16"
(406.4mm)
NRD3.5RD3.512322.50
(20ct)		18"
(457.2mm)
NRD3.5RD3.513724.26
(23ct)		20"
(508mm)
NRD3.5RD3.515126.45
(25ct)		22"
(558.8mm)
NRD3.6RD3.611119.01
(19.5ct)		16.14"
(410mm)
NRD3.75RD3.7510620.33
(21ct)		16"
(406.4mm)
NRD3.75RD3.7512025.44
(24ct)		18"
(457.2mm)
NRD3.75RD3.7513328.50
(26ct)		20"
(508mm)
NRD4.0RD4.09322.64
(22ct)		16"
(406.4mm)
NRD4.0RD4.010525.93
(25ct)		18"
(457.2mm)
NRD4.0RD4.011729.20
(28ct)		20"
(508mm)
NRD4.25RD4.259226.22
(27ct)		16"
(406.4mm)
NRD4.25RD4.2510430.34
(30ct)		18"
(457.2mm)
NRD4.25RD4.2511634.68
(33ct)		20"
(508mm)
NRD4.5RD4.58630.16
(29.5ct)		16"
(406.4mm)
NRD4.5RD4.59634.40
(33ct)		18"
(457.2mm)
NRD4.5RD4.510739.06
(36.5ct)		20"
(508mm)
NRD5.0RD5.09752.12(18k)
(45ct)		20"
(508mm)
NRD5.5RD5.58867.87(18k)
(53ct)		20"
(508mm)
RD6.5RD6.56248.36
(62ct)		16"
(406.4mm)
NRD7.3RD7.35664.9917"
(431.8mm)
NRD8.0RD8.05183.22
(102ct)		17"
(431.8mm)


* Available in Full Diamond Setting.

* All weights are based on 14K Gold unless otherwise specified.

* Weight tolerance: ±10%.

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Style Tiles are always a good option to show work in progress!We are working on the UX/UI design for a large hotel owners and hospitality management company.

You can check the attachment for a full view..More shots with final designs coming soon.

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Hey! Recently we were working on a project for ..We design and build digital products people enjoy using...

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PRODUCTS

refined essence of brilliance

Chains 

JH Co., Ltd. is a leading manufacturer in Korea specializing in the production and supply of 925 silver chains, recognized for its consistent quality and reliable supply capabilities. We also specialize in 14K and 18K gold chains, as well as various jewelry mountings, offering a comprehensive product portfolio ranging from chain components to finished jewelry. For detailed product inquiries, please contact us through our inquiry page at any time.


Necklace Mountings - Straight Round

Designed for both elegance and functionality, our gold mounting collection features refined craftsmanship, secure stone settings, and timeless silhouettes suitable for a wide range of jewelry applications.

 Specifications
Item NoDia SizeDia. Q'tyWeight/gLength
NRD1.5RD1.522911.37
(3.2ct)		16"
(406.4mm)
NRD1.5RD1.524112.51
(3.4ct)		17"
(431.8mm)
NRD1.75RD1.7519712.9
(4.5ct)		16"
(406.4mm)
NRD1.75RD1.7522014.53
(5.25ct)		18"
(457.2mm)
NRD1.75RD1.7525016.53
(6ct)		20"
(508mm)
NRD2.0RD2.017615.62
(5.5ct)		16"
(406.4mm)
NRD2.0RD2.018716.75
(6ct)		17"
(431.8mm)
NRD2.0RD2.019817.51
(6.5ct)		18"
(457.2mm)
NRD2.25RD2.2516116.02
(7ct)		16"
(406.4mm)
NRD2.25RD2.2518117.92
(8ct)		18"
(457.2mm)
NRD2.5RD2.514917.33
(8.5ct)		16"
(406.4mm)
NRD2.5RD2.516919.50
(9.5ct)		18"
(457.2mm)
NRD2.5RD2.5187-
(10.5ct)		20"
(508mm)
NRD2.75RD2.7513317.38
(11ct)		16"
(406.4mm)
NRD2.75RD2.7515219.98
(12ct)		18"
(457.2mm)
NRD2.75RD2.7516722.30
(13ct)		20"
(508mm)
NRD2.75RD2.7518324.27
(14.5ct)		22"
(558.8mm)
NRD3.0RD3.012518.31
(12ct)		16"
(406.4mm)
NRD3.0RD3.014120.50
(14ct)		18"
(457.2mm)
NRD3.0RD3.015622.19
(16ct)		20"
(508mm)
NRD3.0RD3.017224.47
(17ct)		22"
(558.8mm)
NRD3.25RD3.2511919.83
(15ct)		16"
(406.4mm)
NRD3.25RD3.2513522.32
(17ct)		18"
(457.2mm)
NRD3.25RD3.2514924.62
(19ct)		20"
(508mm)
NRD3.25RD3.2516427.04
(21ct)		22"
(558.8mm)
NRD3.4RD3.411519.14
(16.8ct)		16.14"
(410mm)
NRD3.5RD3.510919.50
(18ct)		16"
(406.4mm)
NRD3.5RD3.512322.50
(20ct)		18"
(457.2mm)
NRD3.5RD3.513724.26
(23ct)		20"
(508mm)
NRD3.5RD3.515126.45
(25ct)		22"
(558.8mm)
NRD3.6RD3.611119.01
(19.5ct)		16.14"
(410mm)
NRD3.75RD3.7510620.33
(21ct)		16"
(406.4mm)
NRD3.75RD3.7512025.44
(24ct)		18"
(457.2mm)
NRD3.75RD3.7513328.50
(26ct)		20"
(508mm)
NRD4.0RD4.09322.64
(22ct)		16"
(406.4mm)
NRD4.0RD4.010525.93
(25ct)		18"
(457.2mm)
NRD4.0RD4.011729.20
(28ct)		20"
(508mm)
NRD4.25RD4.259226.22
(27ct)		16"
(406.4mm)
NRD4.25RD4.2510430.34
(30ct)		18"
(457.2mm)
NRD4.25RD4.2511634.68
(33ct)		20"
(508mm)
NRD4.5RD4.58630.16
(29.5ct)		16"
(406.4mm)
NRD4.5RD4.59634.40
(33ct)		18"
(457.2mm)
NRD4.5RD4.510739.06
(36.5ct)		20"
(508mm)
NRD5.0RD5.09752.12(18k)
(45ct)		20"
(508mm)
NRD5.5RD5.58867.87(18k)
(53ct)		20"
(508mm)
RD6.5RD6.56248.36
(62ct)		16"
(406.4mm)
NRD7.3RD7.35664.9917"
(431.8mm)
NRD8.0RD8.05183.22
(102ct)		17"
(431.8mm)


* Available in Full Diamond Setting.

* All weights are based on 14K Gold unless otherwise specified.

* Weight tolerance: ±10%.

Related products

Hey! Recently we were working on a project for ..We design and build digital products people enjoy using...

A new project is an opportunity to create something unique.We are a Creative Digital Agency based in Buenos Aires, Argentina. We take pride in designing and building...

We look forward to working with you on your next projectAs an interdisciplinary agile team, our production process is flexible, collaborative, and adapts to each client’s needs

Style Tiles are always a good option to show work in progress!We are working on the UX/UI design for a large hotel owners and hospitality management company.

You can check the attachment for a full view..More shots with final designs coming soon.

This is a proposal to add value to a crowdfunding listing pagewe streamline the process without having to make multiple mockups.

Clients easily understand themStyle tiles serve as a flexible starting point that helps us easily communicate the essence of a visual brand for the web.

we have a lot of fun during this phase.We are working on an exciting project for a company in the investment business. Stay tuned!

Hey! Recently we were working on a project for ..We design and build digital products people enjoy using...

A new project is an opportunity to create something unique.We are a Creative Digital Agency based in Buenos Aires, Argentina. We take pride in designing and building...

We look forward to working with you on your next projectAs an interdisciplinary agile team, our production process is flexible, collaborative, and adapts to each client’s needs

Style Tiles are always a good option to show work in progress!We are working on the UX/UI design for a large hotel owners and hospitality management company.

You can check the attachment for a full view..More shots with final designs coming soon.

This is a proposal to add value to a crowdfunding listing pagewe streamline the process without having to make multiple mockups.

Clients easily understand themStyle tiles serve as a flexible starting point that helps us easily communicate the essence of a visual brand for the web.

we have a lot of fun during this phase.We are working on an exciting project for a company in the investment business. Stay tuned!

Hey! Recently we were working on a project for ..We design and build digital products people enjoy using...

A new project is an opportunity to create something unique.We are a Creative Digital Agency based in Buenos Aires, Argentina. We take pride in designing and building...

We look forward to working with you on your next projectAs an interdisciplinary agile team, our production process is flexible, collaborative, and adapts to each client’s needs

Style Tiles are always a good option to show work in progress!We are working on the UX/UI design for a large hotel owners and hospitality management company.

Delivery Address

Address #315, Chilpae-ro 27, Jung-gu, 04511 Seoul, Korea 

Products 

Chains (Coming Soon) Mountings 
Components & Accessories (Coming Soon)

Bank Account

KB 839268-11-008040 

SWIFT CODE: CZNBKRSEXX

Seoul, Korea ㅣ Business License 310-88-01321


Factory: Maebong-gil 64, Naechon-myeon, Pocheon, 11192, Gyeonggi-do Korea


Sales Office: #315, Chilpae-ro 27, Jung-gu, 04511 Seoul, Korea © Copyright 2019-2026 JH Co., Ltd. 


Delivery Address

#315, Chilpae-ro 27, 
Jung-gu, 04511 Seoul, Korea 

Products 

Chains (Coming Soon)
Mountings 
Components & Accessories (Coming Soon)

Bank Account

KB 839268-11-008040
SWIFT CODE: CZNBKRSEXXX 
JH CO., LTD.

Seoul, Korea ㅣ Business License 310-88-01321
Factory: Maebong-gil 64, Naechon-myeon, Pocheon, 11192, Gyeonggi-do
Korea Sales Office: #315, Chilpae-ro 27, Jung-gu, 04511 Seoul, Korea 
© Copyright 2019-2026 JH Co., Ltd. 


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