1.20 CT Oval Lab-Grown Diamond Hidden Halo Engagement Ring
1.20 CT Oval Lab-Grown Diamond Hidden Halo Engagement Ring
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● Description
Discover the Epitome of Elegance
Introducing our stunning engagement ring, featuring a radiant lab-grown diamond that reflects both beauty and ethical values.
Exquisite Centerpiece
At the heart of this exquisite piece lies a breathtaking 1.20-carat oval diamond, renowned for its sparkling clarity and brilliant cut, ensuring each facet dances with light. Graded as D/VVS1, E/VVS1 or EF/VS1 in color and clarity, this diamond promises extraordinary sparkle without any inclusions, setting a new standard in luxury.
Enhancing Side Stones
Complementing the centerpiece, we’ve adorned the ring with round side stones, weighing a total of 0.14 TCW. These lab-grown diamonds, of DEF-VS color and clarity, enhance the grandeur while staying true to our commitment to ethical craftsmanship. Each diamond is IGI certified, affirming its quality and integrity.
Timeless Craftsmanship
Crafted in solid gold, this ring is a testament to timeless design and comes in a choice of lustrous hues—be it the classic elegance of white, the warm glow of yellow, or the romantic blush of rose gold. Available in purities of 10KT, 14KT, and 18KT, each ring bears authenticity stamping, underscoring its genuine heritage.
Customizable and Personalized
To make this exquisite gift even more special, we offer complimentary engraving, available in both color and black, making it a truly personalized treasure.
Complete Package
- An elegant jewelry box
- Essential certificates
- A comprehensive jewelry cleaning kit
- A thoughtful gift card for future delights
- A delightful surprise gift
Peace of Mind
Enjoy our lifetime limited warranty, promising peace of mind for years to come.
A Symbol of Love and Sophistication
This engagement ring is more than a symbol of love; it's a celebration of refined sophistication and sustainability, ready to make every proposal moment unforgettable.
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.
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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.
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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.
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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.
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Virtual Appointment
Discover your perfect engagement ring at a virtual showroom appointment. Explore our most sought-after designs





