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Square Old Mine Cushion Cut Lab Diamond Three Stone Ring
Square Old Mine Cushion Cut Lab Diamond Three Stone Ring
SKU:OJ4549
A 0.50 CT Round Diamond Pendant, On Us With $999+
A 0.75 CT Round Diamond Pendant, On Us With $1,499+
A 1.00 CT Round Diamond Pendant, On Us With $1,999+
A 0.50 CT Round Diamond Pendant, On Us With $999+
A 0.75 CT Round Diamond Pendant, On Us With $1,499+
A 1.00 CT Round Diamond Pendant, On Us With $1,999+
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Product Description
Introducing an beautiful three stone lab grown diamond ring, thoughtfully designed to symbolize love’s journey as a meaningful past present future ring..At the center is a stunning old mine cushion cut lab diamond, admired for its soft square shape, vintage inspired brilliance, and exceptional fire. The cushion cut center stone reflects light beautifully, offering a romantic yet latest appeal that makes it an ideal man made diamond engagement rings
On either side of the center stone, there are two baguette cut diamonds that are perfectly matched to each other. This addition brings clean lines and architectural balance into the design. The classic three stone arrangement enhances the visual size of the center diamond and creates a sleek, sophisticated profile. The lab made diamonds are set in a secure claw prong setting; they are lifted to maximize glow but still ensure long lasting durability.
This trilogy diamond ring has a polished plain band that makes it very easy for wedding ring to fit with it. It can be worn as an engagement ring or as a fashion statement ring representing everlasting commitment. The Trinity Diamond Ring combines traditional beauty with latest luxury, made from ethically sourced lab created diamonds that shine beautifully while being crafted responsibly perfect for new love stories
Key Features
Ring Style: stylish three stone lab grown diamond ring symbolizing a past present future ring
Center Stone: Old mine cushion cut lab diamond with vintage inspired facets and soft square shape
Side Stones: Perfectly matched baguette cut lab made diamonds for a clean, architectural look
Setting: Secure claw prong setting designed to enhance shine while ensuring durability
Symbolism: Timeless trilogy diamond ring, also known as a trinity diamond ring
Craftsmanship: Ethically sourced lab created diamonds with responsible manufacturing
Wearability: Designed for everyday comfort with lasting beauty
Customizable Options: Available in multiple metals, diamond sizes, ring sizes, and finishes
Diamond Details
|| 𝐍𝐨𝐭𝐞: 𝐓𝐡𝐢𝐬 𝐣𝐞𝐰𝐞𝐥𝐫𝐲 𝐟𝐞𝐚𝐭𝐮𝐫𝐞𝐬 𝐈𝐆𝐈 𝐂𝐞𝐫𝐭𝐢𝐟𝐢𝐞𝐝 𝐝𝐢𝐚𝐦𝐨𝐧𝐝𝐬 𝐨𝐟 𝟏.𝟎𝟎 𝐂𝐓 𝐚𝐧𝐝 𝐚𝐛𝐨𝐯𝐞. ||
Diamond Details
| Shape | Square Old Mine Cushion Cut |
| Color/Clarity | EF_VS |
| Carat Weight | 2.60 CT (± 0.10 CT) |
| Dimension | 8.50*8.50 MM (± 0.10 MM) |
Diamond Details
| Shape | Baguette Cut |
| Color/Clarity | EF_VS |
| Carat Weight | 0.40 TCW (± 0.10 CT) |
| Dimension | 5.00*2.50 MM (± 0.10 MM) |
Ring Details
| Ring Width | 1.80 MM [Customization Possible] |
| Ring Depth | 1.70 MM [Customization Possible] |
| Type | Lab Grown Diamond |
| Metal Purity |
Silver (925,935), Solid Gold (10KT, 14KT, 18KT); 950 Platinum |
| Metal Tone |
White, Yellow, Rose |
| Stamp/Hallmark | Yes |
| Jewelry Certificate | Ouros Brand Authentic Jewelry Certificate - Contact Us for Your Certificate |
MAKING PROCESS
From the first order to the final quality check, every piece passes through a carefully controlled craftsmanship journey.
Order Received
Order details are reviewed and production specifications are confirmed.
CAD Model
A precise 3D model is created according to the approved design.
Stone Making
Diamonds are prepared and selected to match the design specifications.
Wax Model
The CAD design is transformed into a detailed wax model.
Casting
The wax model is cast in the selected metal to form the jewelry.
Filing
The cast piece is refined and corrected for a clean, precise structure.
Pre-Polish
The surface is smoothed and prepared for stone setting.
Setting
The surface is smoothed and prepared for stone setting.
Final Polish
The piece is polished to achieve its final smooth and refined finish.
Quality Check
Every detail is inspected to ensure our quality standards are met.
Shipping
The approved piece is securely packed and prepared for delivery.
Shipping Policy
International Shipping
We offer international shipping, which takes 8–14 business days after dispatch.
NYC Office Pickup
if this item is available at our NYC office. overnight U.S. shipping can be arranged upon request for an additional fee.
Insured & Trackable
All orders are fully insured and trackable, with signature confirmation available upon request.
Shipping Questions
For any shipping-related questions, please refer to our Shipping Policy or contact our customer support team.
RETURN POLICY
Return Window
You may request a return within 30 days of delivery.
Manufacturing Defects
If a manufacturing defect is identified within 30 days of delivery, we're happy to offer a free repair.
Return Eligibility
Returns based on personal preference after delivery are not eligible. All returns must be pre-approved before being sent back.
After 30 Days
For concerns reported after 30 days, repair services may be available at an additional charge.
Contact & Assistance
For assistance with your return or repair request, please contact contact@ourosjewels.com.




Custom Diamond Request Form
From our hands, to a piece made for yours.
Every OUROS piece begins with precision, craftsmanship, and a commitment to quality.
From the first CAD design to the final quality check, every detail is carefully considered and refined by skilled craftsmen.
Our jewelry passes through a meticulous process of casting, finishing, diamond setting, polishing, and inspection before it reaches you.
Made with intention. Finished with precision. Created to be cherished.
The Brilliance Behind Every Diamond
A diamond’s beauty begins long before it reaches your jewelry. At OUROS, every stone is thoughtfully created and refined for exceptional brilliance.
From its growth and precise cutting to the final polish, each stage is carefully considered to reveal the diamond’s unique character.
The result is a lab-grown diamond made with precision, finished with purpose, and created to be admired for years to come.
Stories Of Brilliance
Trusted Worldwide by 25,000+ Happy Clients
Kim Vaughan
Zamarade Y
Denise Cwik
Kimberly Arcoleo
chris crawford
Merry Gibson
Kelly V
C. Lor

JM® Care Plan
Care That Keeps Every Detail Brilliant :
Keep your jewelry looking its best with dedicated care for cleaning, polishing, resizing, repairs, and stone replacement — so every piece stays beautiful for years to come.

JM® Care Plan
Care That Keeps Every Detail Brilliant :
Keep your jewelry looking its best with dedicated care for cleaning, polishing, resizing, repairs, and stone replacement — so every piece stays beautiful for years to come.
JM® Care Plan
Care That Keeps Every Detail Brilliant :
Keep your jewelry looking its best with dedicated care for cleaning, polishing, resizing, repairs, and stone replacement — so every piece stays beautiful for years to come.
Our Services
Get personalized engagement ring guidance from our experts, both in person and online.
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