1.20 CT Round Lab Grown Diamond Solitaire Engagement Ring
1.20 CT Round Lab Grown Diamond Solitaire Engagement Ring
Couldn't load pickup availability
● Make It Yours - Order today & get it by 29th Jan.
Need something sooner?
For urgent orders, please contact our customer support team at: support@thealteredcarbon.com.
Everything you need, worry-free.
Free Shipping
Ring Resizing
Lifetime Guarante & Care
Conflict-Free Diamonds
Hassle Free Return
Giving Back
● Description
Experience the Epitome of Elegance and Sustainability
Discover our exquisite engagement ring, crafted for those who cherish both beauty and ethics. At the heart of this stunning piece lies a lab-grown diamond, a testament to our commitment to environmentally conscious craftsmanship.
Diamond Details
With an impressive size of 1.20 carats, this diamond dazzles with remarkable clarity ranging from D/VVS1, E/VVS1, to EF/VS1, displaying a brilliant shine that captivates. Its classic round shape is complemented by an excellent cut, ensuring maximum sparkle with every movement. Our diamonds are entirely inclusion-free, guaranteeing a flawless appearance certified by IGI, a leading authority in gemological standards. The side stones boast a DEF-VS color and clarity, promising a harmonious and stunning appearance.
Setting Options
This masterpiece is set in solid gold, adding a timeless touch available in an array of colors:
- The pristine gleam of white gold
- The warm glow of yellow gold
- The romantic blush of rose gold
Choose from gold purities of 10KT, 14KT, or 18KT, each stamped for authenticity and promising enduring quality.
Personalization and Packaging
To make this piece even more special, we offer complimentary engraving in either color or black, allowing you to personalize your ring with a meaningful message. Accompanying your purchase:
- An elegant jewelry box
- A suite of certificates
- A jewelry cleaning kit to keep your piece sparkling for years to come
- A gift card for future purchases
- A surprise gift that adds an extra touch of joy
Warranty
Our lifetime limited warranty assures you of the lasting quality of this unforgettable engagement ring. Celebrate love with a ring that embodies both luxury and ethical integrity.
Customization
Customization
Want to change this design or don’t see what you want? We can customize most existing designs or custom make a ring from scratch.
Start designing your custom piece by filling out this form.
Shipping Information
Shipping Information
Each product is made to order and will ship in approximately 3-4 weeks. For special requests please contact us. We try our best to accommodate. All products ship with signature required, tracking, and insurance through FedEx.
Read More
Warranty Repair
Warranty Repair
The Altered Carbon has mastered the craft of fine jewelry, setting the standard in the industry with its unparalleled warranty and service program. Our dedication to excellence ensures that each piece reflects our commitment to quality and customer satisfaction, making us a leader in the jewelry world.
Read More
● Virtual Appointment
See The Altered Carbon up close with a personal appointment. Explore our jewelry in person through your device. Book a Call.

Size Chart
| US | UK / Australian Size | Inside Diameter (mm) | Circumference (mm) |
|---|---|---|---|
| 3 | F | 14.1 | 44.2 |
| 3.5 | G | 14.5 | 45.5 |
| 4 | H½ | 14.9 | 46.8 |
| 4.5 | I½ | 15.3 | 48.0 |
| 5 | J½ | 15.7 | 49.3 |
| 5.5 | K½ | 16.1 | 50.6 |
| 6 | L½ | 16.5 | 51.9 |
| 6.5 | M½ | 16.9 | 53.1 |
| 7 | N½ | 17.3 | 54.4 |
| 7.5 | O½ | 17.7 | 55.7 |
| 8 | P½ | 18.1 | 57.0 |
| 8.5 | Q½ | 18.5 | 58.3 |
| 9 | R½ | 19.0 | 59.5 |
| 9.5 | S½ | 19.4 | 60.8 |
| 10 | T½ | 19.8 | 62.1 |
| 10.5 | U½ | 20.2 | 63.4 |
| 11 | V½ | 20.6 | 64.6 |
| 11.5 | W½ | 21.0 | 65.9 |
| 12 | X½ | 21.4 | 67.2 |
| 12.5 | Z | 21.8 | 68.5 |
| 13 | Z+1 | 22.2 | 69.7 |
| KA Size | Wrist Diameter (in) | Wrist Diameter (cm) |
|---|---|---|
| Extra Small | 4.76 – 5.25 | 12.1 – 13.3 |
| Small | 5.26 – 5.75 | 13.4 – 14.6 |
| Medium | 5.76 – 6.25 | 14.6 – 15.9 |
| Large | 6.26 – 6.75 | 15.9 – 17.1 |
| Extra Large | 6.76 – 7.25 | 17.2 – 18.4 |
| Extra Extra Large | 7.26 – 7.75 | 18.4 – 19.7 |
| Extra Extra Extra Large | 7.76 – 8.25 | 19.7 – 21.0 |
| Length (in) | Length (cm) |
|---|---|
| 16 | 40.50 |
| 18 | 45.75 |
| 20 | 50.75 |
| 24 | 61.00 |
| 30 | 76.25 |
| 36 | 91.50 |
Lab Grown Diamonds
Make Style Effortless — Lab grown diamonds offer an affordable alternative for sparkle making brilliant style effortless.
Shop By Category
What’s Included?
Our extensive collections span every generation and price point, allowing us to connect with our customers' celebrations at each stage of their lives.
Shop Confidently
Experience peace of mind with our 1 year exchange policy on all engagement rings for an equal or greater value.
Unique Serial Number
The Altered carbon jewelry piece bears a unique serial number, reflecting its distinct design and connecting you to its origins.
Certificate of Authenticity
The serial number allows you to access a digital Certificate of Authenticity showcasing the GIA verified diamonds, ensuring the authenticity and craftsmanship of your piece.
Sustainability
Ethically sourced fine jewelry crafted from recycled gold materials.
Let customers speak for us
Virtual Appointment
Discover your perfect engagement ring at a virtual showroom appointment. Explore our most sought-after designs





