Black Jack
0.45 Carat Round Cut Lab-Grown Diamond Solitaire Ring in 925 Sterling Silver
Round Cut Lab-Grown Diamond Solitaire Ring in 925 Sterling Silver
Celebrate timeless elegance with this delicate Round Cut Lab-Grown Diamond Solitaire Ring by Black Jack. Designed with a graceful curved band and subtle pavé detailing, this ring features a brilliant round lab-grown diamond that adds refined sparkle while maintaining a minimal, modern look.
Crafted in genuine 925 sterling silver, the sleek band is accented with micro-set round lab-grown diamonds, creating a balanced design that is ideal for engagements, promises, anniversaries, or meaningful everyday wear.
Key Features
Premium Round Cut Lab-Grown Diamond
Features a total 0.45 carat weight of lab-grown diamonds, including a round-cut solitaire center stone complemented by pavé-set round diamonds along the band for added brilliance.
925 Sterling Silver Craftsmanship
Made from genuine 925 sterling silver, offering durability, shine, and comfortable everyday wear.
Secure Prong & Pavé Setting
The center stone is secured in a classic prong setting, while the band showcases precision pavé-set diamonds for enhanced sparkle and stability.
Customizable Design
Available in multiple ring sizes. Custom requests can be accommodated.
Certified Authenticity
Includes a Black Jack Brand Authenticity Certificate, available for lifetime online verification and downloadable PDF access through our official website. Each certificate confirms the product’s specifications and serves as permanent proof of authenticity.
Specifications
Main Stone: Lab-Grown Diamond Round Cut
• Total Carat Weight: 0.45 Carat
• Diamond Shape: Round
• Color / Clarity: E–F Color, VVS–VS Clarity
• Cut Grade: Excellent / Very Good
• Side Stones: Lab-Grown Diamond Round Cut Pavé
• Metal: 925 Sterling Silver
• Metal Stamp: 925
• Setting Type: Prong Setting with Pavé Band
• Style: Curved Solitaire Band
• Customization: Available
• Certificate: Black Jack Brand Authenticity Certificate Lifetime Online Verification
• Occasion: Engagement, Promise, Anniversary, Gift
Why Choose Lab-Grown Diamonds
• Real Diamond: Same physical, optical, and chemical properties as mined diamonds
• Ethical & Responsible: Created without mining impact
• Excellent Value: Premium appearance at a more accessible price
• Conflict-Free: Modern, transparent production process
What’s Included
1 × Lab-Grown Diamond Silver Ring
1 × Premium Wooden Gift Box
1 × Black Jack Brand Authenticity Certificate
Important Disclosure
Lab-grown diamonds are real diamonds created using laboratory technology and are distinct from earth-mined diamonds. Certification details depend on diamond carat weight and are clearly specified in each product listing.
PRODUCT DETAILS
Please read our frequently asked questions to find out more.
Product Specs
• Stone Type: Lab-Grown Diamond / Lab-Grown Gemstone
• Creation Method: Advanced CVD Technology
• Metal Options: 14K / 18K Gold, Platinum, Sterling Silver
• Finish: High Polish
• Customization: Available (Size, Metal, Stone)
• Certification: Brand Authenticity Certificate (Optional IGI on request)
👉 Ethically made, conflict-free, and responsibly crafted.
Details
This jewelry piece is thoughtfully designed to combine modern elegance, durability, and ethical craftsmanship.
Each stone is precision-cut for maximum brilliance and set by skilled artisans to ensure comfort and long-lasting wear.
Whether chosen for daily elegance, a meaningful gift, or a once-in-a-lifetime moment, this piece reflects quality you can see and trust you can feel.
✔ Made to order
✔ Premium finishing
✔ Designed for long-term wear
Shipping & Returns
Memory Diamond Jewelry (Ashes / Hair Carbon):
• Once ashes or hair carbon are delivered to our address, production begins.
• Diamond creation time depends on the selected diamond size and cut.
• Estimated production & processing time: 20 to 45 days.
• After completion, the jewelry is carefully set and prepared for shipment.
Regular Jewelry (Lab-Grown / Gemstone / Silver Jewelry):
• Processing time: 7–10 business days.
• Includes stone setting, quality check, and secure packaging.
Care Guide
To maintain brilliance and finish:
• Store separately in a soft pouch
• Avoid harsh chemicals, perfumes, and water exposure
• Clean gently with a soft cloth
• Remove before heavy activities
✨ Proper care ensures your jewelry stays beautiful for years.
Warranty
• Manufacturing warranty included
• Covers craftsmanship and setting issues
• Does not cover accidental damage or misuse
🛡 We stand behind our craftsmanship.
About the stone
Lab-Grown Diamond / Gemstone
Lab-grown stones are real gemstones, created using advanced technology that replicates natural conditions.
They offer the same beauty, hardness, and sparkle — with better value and ethical sourcing.
✔ Eco-conscious
✔ Conflict-free
✔ Visually identical to natural stones
WHY BLACK JACK®
MADE WITH CARE & SCIENCE
Each piece is created using advanced lab-grown CVD technology, combining science, precision, and emotion. From memory diamonds to lab-grown gemstones, every stone is ethically crafted with strict quality control.
AUTHENTIC & CERTIFIED
We provide a Brand Authenticity Certificate with every jewelry piece.
Optional IGI certification is available on request for lab-grown diamonds.
Transparent process. No hidden claims. Lifetime trust.
SAFE & INSURED DELIVERY
Worldwide insured shipping with discreet packaging.
Memory diamond orders are crafted specially for you, while regular jewelry ships fast.
Tracking is shared once your order is dispatched.
Crafted With Precision. Backed by Trust.
REAL LAB-GROWN DIAMONDS & FINE JEWELRY YOU CAN TRUST
At Black Jack®, we specialize in ethically crafted lab-grown diamonds, memory diamonds made from human or pet ashes, and fine gold & silver jewelry.
Each piece is created using advanced CVD technology, handcrafted by skilled artisans, and delivered with complete transparency and care.
From custom memorial diamonds to everyday lab-grown diamond jewelry, we focus on quality, authenticity, and lasting value.
JEWELRY IS THE COMPANION OF LOVE✨
For women, jewelry is often seen as a way to express their personal style and add a touch of glamour to their outfit. Popular jewelry styles for women include delicate necklaces, statement earrings, and stackable bracelets.
CUSTOMER REVIEWS
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Great Company ✌️
I am so grateful to have worked with this company. Thank you for a wonderful experience and the ring of a lifetime.
Outstanding ❤️️
I was very pleased from start to finish. I have never bought a ring before and I was put at ease at every turn.
Extremely Happy 💫
They paid full attention to what I asked for even though I only gave them a small amount of info to complete the task with.
Amazing!
The design is perfect, and they wen't above and beyond on everything. I couldn't have asked for a better experience
