Engagement Ring
結約指輪
A promise of love and artistry to accompany the beautiful “Yes! I Do” moment — 180 minutes class
Craft a truly unique and heartfelt piece with our exclusive engagement ring making class workshop. Choose from a selection of precious colored gemstones or brilliant diamonds to find the perfect centerpiece for your one-of-a-kind creation.
Upon completing the crafting of the ring base during the class, please allow a lead time of 6 to 8 weeks for our Japanese craftsmen to intricately design and set the crown, resulting in the creation of your distinctive engagement ring.
DESIGN SELECTION
デザイン選定
SOLITAIRE
Showcase a single, exquisite diamond or precious gemstone as the focal point. This classic design embodies everlasting love, making it an ideal choice for those who appreciate understated beauty and timeless romance.
$ [width of band] + $300 [platinum crown] + $ [price of diamond/gemstone]
HALF - ETERNITY
Features a band adorned with gemstones that extend halfway around, symbolising everlasting love and commitment — a touch of understated sophistication, making it a perfect symbol for a lifelong union.
$ [width of band] + $ [no. of stones x $150]
DIAMONDS & PRECIOUS GEMSTONES
宝石とダイヤモンド
Explore a diverse selection of diamonds or precious coloured gemstones at our Atelier.
At KOBO, we work with a variety of natural gemstones and diamonds. We thrive on challenges and continuously push the boundaries of creativity. If you have a vision in mind with a specific stone, carat size, don’t hesitate to reach out to us, and we will discuss the possibilities to bring your ideas to fruition.
* For the stone setting process for both our half eternity and solitaire engagement rings, we will need a lead time of 6 to 8 weeks for completion after attending the class. During the class, customers will be guided on crafting their ring base from scratch.
Current stone selections available at the studio: Natural Diamonds, Sapphires, Emeralds and Aquamarine.
MATERIAL CHOICES
素材と色の選択
At KOBO, we offer a selection of two materials for engagement rings: Platinum and 18K Gold, available in four distinct colors. This provides our customers with the freedom to choose the shade that best suits their preferences.
The options ranges from:
Platinum
Champagne Gold
Rose Gold
Yellow Gold

WIDTH OPTION & PRICE
幅の選択肢と価格
Our engagement rings are priced based on the chosen width, regardless of the material used. The prices listed below are per ring and include a 2-hour session.
The pricing is as follows:
2.0mm — $1,200
2.5mm — $1,500
3.0mm — $1,850
3.5mm — $2,150
4.0mm — $2,450*
*Available in Platinum and Champagne Gold only.
< A 10% surcharge applies to ring sizes exceeding #21, added on top of the total price. >

TEXTURES
表面仕上げ
In our ring making workshop, you have the option to choose from a variety of captivating textures to give your ring a unique personality — from glistening water ripples, rough ridges of tree barks to soft specks of snow.
Here are the texture choices available:











DESIGN ADD—ONS
リングデザイン
Elevate your engagement ring with a double twist, elegantly positioning the center stone above for a modern and sophisticated appearance.
This design symbolizes your intertwined lives and unbreakable bond, making it perfect for the ladies seeking something truly special.
Double Twist +$100




STONE SETTING
宝石のセッティング
We provide two stone setting options: secret setting, nestled discreetly on the inner band, or outer setting, prominently displayed on the outer surface.
In Japanese tradition, adding your partner’s birthstone inside your ring holds special significance. Symbolizing an everlasting connection between you two and keeping your partner close to you always.
< lead time 4 to 6 weeks >
Secret Stone (1.3mm) +$100 / ea
Outer Stone (1.5mm) +$150 / ea
COMPLIMENTARY CONSULTATION
閲覧セッション
For customers interested in trying on our samples and getting a feel for the studio ambiance before the class, we recommend a complimentary viewing session!
In this one-hour experience, you can try on different samples and participate in a trial hammering session. This offers you a sneak peek into what the ring making class will involve, allowing you to immerse yourself in the creative process and make an informed decision.
BRIDAL PACKAGE — ENJOY 10% OFF WHEN YOU CRAFT BOTH ENGAGEMENT AND WEDDING RINGS
ブライダルパッケージ
Package 1:
Craft both your Wedding Bands and Engagement Rings in the same session or on the same day and receive 10% off your total bill. (Minimum spend of $4,600)
Package 2:
Enjoy 10% off your second bill when you return to craft your wedding rings after the proposal.
(Minimum spend of $2,800 for Wedding Bands or $1,800 for Engagement Ring.)
This package cannot be combined with other ongoing event or bridal fair promotions
Engagement Ring.
/婚約指輪
A promise of love and artistry to accompany the beautiful “YES I DO” moment — 120 minute class
Craft a truly unique and heartfelt piece with our exclusive engagement ring making class workshop. Choose from a dazzling selection of precious colored gemstones or brilliant diamonds to find the perfect centerpiece for your one-of-a-kind creation.
Upon completing the crafting of the ring base during the class, please allow a lead time of 6 to 8 weeks for our Japanese craftsmen to intricately design and set the crown, resulting in the creation of your distinctive engagement ring.
Design Selection.
/デザイン選定
Solitaire
Showcase a single, exquisite diamond or precious gemstone as the focal point. This classic design embodies everlasting love, making it an ideal choice for those who appreciate understated beauty and timeless romance.
Explore a diverse selection of diamonds or precious coloured gemstones at our Atelier.
Price: $ [width of band] + $200 [crown] + $ [price of gemstone]
Half Eternity
Features a band adorned with gemstones that extend halfway around, symbolising everlasting love and commitment — a touch of understated sophistication, making it a perfect symbol for a lifelong union.
Price: $ [width of band] + $ [no. of stones x 150]
Diamonds & Precious Gemstones.
/宝石とダイヤモンド
Current stone selections available at the studio: Natural Diamonds, Sapphires, Emeralds and Aquamarine.
At KOBO, we work with a variety of natural gemstones and diamonds. We thrive on challenges and continuously push the boundaries of creativity. If you have a vision in mind with a specific stone, carat size, don’t hesitate to reach out to us, and we will discuss the possibilities to bring your ideas to fruition.
* For the stone setting process for both our half eternity and solitaire engagement rings, we will need a lead time of 6 to 8 weeks for completion after attending the class. During the class, customers will be guided on crafting their ring base from scratch.
Colour Choices.
/材料の色選択
At KOBO, we offer a selection of four distinct colors for engagement bands, providing our customers with the freedom to select the shade that best suits their preferences.
Available in [ from left to right ]:
Platinum, 18K Yellow, Rose and Champagne Gold.
material and pricing.
/素材と価格


Our bridal workshop offers wedding bands priced based on the chosen width, regardless of the materials used.
The pricing is as follows:
2.0mm — $1,000/ea
2.5mm — $1,300/ea
3.0mm — $1,600/ea
3.5mm — $1,900/ea
4.0mm — $2,300/ea*
*available in Champagne or Platinum only
[ A 10% surcharge applies to ring sizes exceeding #21, added on top of the total price. ]
Textures.
/表面仕上げ
In our ring making workshop, you have the option to choose from a variety of captivating textures to give your ring a unique personality — from glistening water ripples, rough ridges of tree barks to soft specks of snow.
Here are the texture choices available:








Stone Setting.
/宝石のセッティング







Adorn the center stone with an elegant pave-set diamonds or opt for a anniversary birthstone on the inside to keep the memory close to heart.
For a unique touch, we recommend adding the birthstone of your anniversary month.
[ lead time 4 to 6 weeks ]
Secret Stone (0.013 ct) +$100
Outer Stone* (0.015 ct) +$150
Complimentary Consultation.
/閲覧セッション
For customers interested in trying on our samples and getting a feel for the studio ambiance before the class, we recommend a complimentary viewing session!
In this one-hour experience, you can try on different samples and participate in a trial hammering session. This offers you a sneak peek into what the ring-making class will involve, allowing you to immerse yourself in the creative process and make an informed decision.
A promise of love and artistry to accompany the beautiful “Yes! I Do”
Craft a truly unique and heartfelt piece with our exclusive engagement ring making class workshop. Choose from a selection of precious colored gemstones or brilliant diamonds to find the perfect centerpiece for your one-of-a-kind creation.
Upon completing the crafting of the ring base during the class, please allow a lead time of 6 to 8 weeks for our Japanese craftsmen to intricately design and set the crown, resulting in the creation of your distinctive engagement ring.

- DESIGN SELECTION
デザイン選定
- DESIGN SELECTION
デザイン選定



Solitaire
A solitaire ring showcases a single, exquisite diamond or gemstone as its focal point. This timeless design embodies everlasting love, making it the perfect choice for those who appreciate understated beauty and eternal romance.
$ [width of band] + $300 [platinum crown] + $ [price of diamond/gemstone]

Half-Eternity
A half-eternity ring features gemstones that encircle half of the band, symbolizing everlasting love and commitment — a touch of understated sophistication, making it the perfect symbol of a lifelong union.
$ [width of band] + $ [no. of stones x $150]
- DIAMONDS & GEMSTONES
宝石とダイヤモンド
- DIAMONDS & GEMSTONES
宝石とダイヤモンド
Explore a diverse selection of diamonds or precious coloured gemstones at our Atelier.
At KOBO, we work with a variety of natural gemstones and diamonds. We thrive on challenges and continuously push the boundaries of creativity. If you have a vision in mind with a specific stone, carat size, don’t hesitate to reach out to us, and we will discuss the possibilities to bring your ideas to fruition.



Current stone selections available at the studio:
Natural Diamonds | Sapphires | Emeralds | Aquamarine
* For the stone setting process for both our half eternity and solitaire engagement rings, we will need a lead time of 6 to 8 weeks for completion after attending the class. During the class, customers will be guided on crafting their ring base from scratch.
Current stone selections available at the studio:
Natural Diamonds
Sapphires
Emeralds
Aquamarine
* For the stone setting process for both our half eternity and solitaire engagement rings, we will need a lead time of 6 to 8 weeks for completion after attending the class. During the class, customers will be guided on crafting their ring base from scratch.
- 1. MATERIAL CHOICES
素材と色の選択
- 1. MATERIAL CHOICES
素材と色の選択

At KOBO, we offer a selection of two materials for engagement ring: Platinum and 18K Gold, available in four distinct colors. This provides our customers with the freedom to choose the shade that best suits their preferences.
The options ranges from:
Platinum | Champagne Gold | Rose Gold | Yellow Gold
At KOBO, we offer a selection of two materials for engagement rings: Platinum and 18K Gold, available in four distinct colors. This provides our customers with the freedom to choose the shade that best suits their preferences.
The options ranges from:
Platinum
Champagne Gold
Rose Gold
Yellow Gold


- 2. Width Options & Price
幅の選択肢と価格
- 2. Width Options & Price
幅の選択肢と価格

Our engagement bands are priced based on the selected width and material (Gold or Platinum). All prices listed below are per ring and include a 3-hour workshop session.
Platinum:
- 2.0mm — $1,200
- 2.5mm — $1,500
- 3.0mm — $1,850
- 3.5mm — $2,150
- 4.0mm — $2,450*
18K Rose, Yellow & Champagne Gold:
- 2.0mm — $1,400
- 2.5mm — $1,750
- 3.0mm — $2,000
- 3.5mm — $2,300
- 4.0mm — $2,700*
Ring Size Surcharge:
- Size 21 – 24.5: Additional 10% on top of base price
- Size 25 – 30.5: Additional 15% on top of base price
* Available in Platinum & Champagne Gold only
Our engagement bands are priced based on the selected width and material (Gold or Platinum). All prices listed below are per ring and include a 3-hour workshop session.
Platinum:
- 2.0mm — $1,200
- 2.5mm — $1,500
- 3.0mm — $1,850
- 3.5mm — $2,150
- 4.0mm — $2,450*
18K Rose, Yellow & Champagne Gold:
- 2.0mm — $1,400
- 2.5mm — $1,750
- 3.0mm — $2,000
- 3.5mm — $2,300
- 4.0mm — $2,700*
Ring Size Surcharge:
- Size 21 – 24.5: Additional 10% on top of base price
- Size 25 – 30.5: Additional 15% on top of base price
* Available in Platinum & Champagne Gold only


- 3. SPECIAL DESIGN* ADD-ONS
リングデザイン
- 3. SPECIAL DESIGN* ADD-ONS
リングデザイン

Elevate your engagement ring with unique designs that symbolize your intertwined lives and unbreakable bond.
Add-on cost:
Single Twist +$80 | Double Twist +$100 | Wavy +$100 | Tiara +$120
* Special designs are applicable for band widths up to 3.0mm
Elevate your engagement ring with unique designs that symbolize your intertwined lives and unbreakable bond.
Add-on cost:
Single Twist +$80
Double Twist +$100
Wavy +$100
Tiara +$120
* Special designs are applicable for band widths up to 3.0mm
- 4. Texture
表面仕上げ
- 4. Texture
表面仕上げ






In our ring making workshop, you have the option to choose from a variety of captivating textures to give your ring a unique personality — from glistening water ripples, rough ridges of tree barks to soft specks of snow.
These are the texture choices available:
Hammered | Foresta | Stardust | Concrete | Snowflake | Frost
In our ring making workshop, you have the option to choose from a variety of captivating textures to give your ring a unique personality — from glistening water ripples, rough ridges of tree barks to soft specks of snow.
These are the texture choices available:
Hammered
Foresta
Stardust
Concrete
Snowflake
Frost
- 5. Finishing
表面仕上げ
- 5. Finishing*
表面仕上げ






KOBO Jewellery offers three finishing touches for your ring, allowing you to personalize your piece to your taste.
These are the finishing choices available:
Polished | Lace (Matte) | Pearskin* +$100 per ring
* A lead time of 6 to 8 weeks is required for delivery upon completing class
Pearskin finishing is a sandblasted surface that gives a matte, leather-like texture with a soft, satin appearance and a subtle sheen, resembling the surface of a pearl.
In our ring making workshop, you have the option to choose from a variety of captivating textures to give your ring a unique personality — from glistening water ripples, rough ridges of tree barks to soft specks of snow.
These are the finishing choices available:
Polished
Lace (Matte)
Pearskin +$100 per ring
* A lead time of 6 to 8 weeks is required for delivery upon completing class
Pearskin finishing is a sandblasted surface that gives a matte, leather-like texture with a soft, satin appearance and a subtle sheen, resembling the surface of a pearl.
- 6. STONE SETTING*
宝石のセッティング
- 6. STONE SETTING*
宝石のセッティング









We provide two stone setting options: secret setting, nestled discreetly on the inner band, or outer setting, prominently displayed on the outer surface. In Japanese tradition, adding your partner’s birthstone inside your ring holds special significance. Symbolizing an everlasting connection between you two and keeping your partner close to you always.
Here are the different melee stone setting styles offered:
4-Prong | Flushed | 4-Point Star | Bright-cut | Straight-carving
Add-on cost:
Secret Stone (1.3mm) +$100 each | Outer Stone (1.5mm) +$150 each
* A lead time of 6 to 8 weeks is required for delivery upon completing class
Pink diamonds are priced at $400 due to their rarity.
We provide two stone setting options: secret setting, nestled discreetly on the inner band, or outer setting, prominently displayed on the outer surface. In Japanese tradition, adding your partner’s birthstone inside your ring holds special significance. Symbolizing an everlasting connection between you two and keeping your partner close to you always.
Here are the different melee stone setting styles offered:
4-Prong
Flushed
4-Point Star
Bright-cut
Straight-carving
Add-on cost:
Secret Stone (1.3mm) +$100 each
Outer Stone (1.5mm) +$150 each
* A lead time of 6 to 8 weeks is required for delivery upon completing class
Pink diamonds are priced at $400 due to their rarity.
- Bridal Services
ブライダルサービス
- Bridal Services
ブライダルサービス
COMPLIMENTARY CONSULTATION
For customers interested in trying on our samples and getting a feel for the studio ambiance before the class, we recommend a complimentary viewing session!
In this one-hour experience, you can try on different samples and participate in a trial hammering session. This offers you a sneak peek into what the ring making class will involve, allowing you to immerse yourself in the creative process and make an informed decision.

COMPLIMENTARY CONSULTATION
COMPLIMENTARY CONSULTATION

For customers interested in trying on our samples and getting a feel for the studio ambiance before the class, we recommend a complimentary viewing session!
In this one-hour experience, you can try on different samples and participate in a trial hammering session. This offers you a sneak peek into what the ring making class will involve, allowing you to immerse yourself in the creative process and make an informed decision.
Enjoy 10% OFF Bridal Packages*


- PACKAGE 1
Engagement + Wedding Bands | 1 workshop, single bill
Craft both your Wedding Bands and Engagement Rings in the same session or on the same day and receive 10% off your total bill.
*Min. spend of $4,800
This package cannot be stacked with other ongoing event or bridal fair promotions.
- PACKAGE 2
Engagement + Wedding Bands | 2 workshops, separate bills
Enjoy 10% off your second bill when you return to craft your wedding rings after the proposal.
*Min. spend of $2,900 for Wedding Bands or $1,900 for Engagement Ring
This package cannot be stacked with other ongoing event or bridal fair promotions.
Enjoy 10% OFF Bridal Packages*
Enjoy 10% OFF Bridal Packages*

- PACKAGE 1
Engagement + Wedding Bands
1 workshop, single bill
Craft both your Wedding Bands and Engagement Rings in the same session or on the same day and receive 10% off your total bill.
*Min. spend of $4,800
Craft both your Wedding Bands and Engagement Rings in the same session or on the same day and receive 10% off your total bill.
*Min. spend of $4,800
This package cannot be stacked with other ongoing event or bridal fair promotions.
- PACKAGE 2
Engagement + Wedding Bands
2 workshops, separate bills
Enjoy 10% off your second bill when you return to craft your wedding rings after the proposal.
*Min. spend of $2,900 for Wedding Bands or $1,900 for Engagement Ring
Enjoy 10% off your second bill when you return to craft your wedding rings after the proposal.
*Min. spend of $2,900 for Wedding Bands or $1,900 for Engagement Ring
This package cannot be stacked with other ongoing event or bridal fair promotions.
Both packages cannot be stacked with other ongoing event or bridal fair promotions.