Yes. Lab-grown diamonds are real diamonds, identical in brilliance, durability, and beauty to mined diamonds.

They share the same chemical composition (pure carbon), crystal structure, and hardness of 10 on the Mohs scale.

The only difference is their origin — lab-grown diamonds are created using advanced technology, while natural diamonds are formed underground over billions of years.

Yes. Every Celestar diamond is independently certified by IGI (International Gemological Institute).

Your diamond’s digital certificate includes:

• Cut
• Color
• Clarity
• Carat weight
• Laser-inscribed certification number (where applicable)
  

For gemstones (such as sapphire, ruby, emerald, and tanzanite), certification may vary by stone and size.

Select gemstones are accompanied by recognized gemological reports confirming authenticity, treatment details, and quality characteristics.

Certification details for each piece are clearly noted on the product page or provided upon request.

Each piece is handcrafted to order by our expert jewelers.

Production typically takes 7–10 business days.

Once shipped, delivery within Canada usually takes:

• 2–5 business days (fully insured standard shipping)
  

Delivery times may vary slightly based on location and order details.

You’ll receive tracking information as soon as your order ships.

Yes — we offer complimentary, fully insured shipping Canada-wide.

Your jewelry is packaged discreetly and securely, with tracking provided at every step.

We offer a 30-day return window on unworn, standard pieces.

To be eligible for a return, items must be in original condition, including all packaging and certification.

Please note:

The following items are not eligible for return:

• Custom or made-to-order designs
  
• Engraved pieces
  
• Resized or altered jewelry
  

Returns that do not meet these conditions may not be accepted.

Most Celestar pieces are made to order.

Production typically takes 7–10 business days, followed by secure, insured shipping.

Estimated delivery timelines:

• 
  Canada: 2–5 business days after production
  
• 
  International orders: 7–16 business days after production
  

Exact delivery details and tracking information will be provided in your order confirmation email.

Yes. Lab-grown diamonds have the same physical, chemical, and optical properties as natural diamonds.

They are equally durable, rank 10/10 on the Mohs hardness scale, and are designed to last a lifetime with proper care—just like mined diamonds.

Lab-grown diamonds will not fade, lose brilliance, or break down over time, making them suitable to be worn daily and passed down through generations.

Yes. Every Celestar Diamonds piece is backed by a lifetime manufacturing warranty.

This warranty covers craftsmanship and manufacturing defects under normal wear. If a covered issue is identified, we will work with you to provide an appropriate resolution.

Please note that the warranty does not cover damage caused by normal wear and tear, accidental damage, misuse, loss, or third-party repairs or alterations.

We recommend regular at-home care and safe handling to maintain the beauty of your jewelry over time. Full warranty details are available in our Warranty & Terms section.

Yes — we specialize in custom creations.

You can personalize:

• Diamond shape

• Metal type

• Band design

• Ring size

• Engagement ring setting

• Hidden halo, pave, or bespoke accents

Share your idea and our design team will create your dream piece with precision and care.

Yes. All Celestar Diamonds pieces are crafted using responsibly sourced diamonds and gemstones.

Our lab-grown diamonds are created using advanced technology, offering a modern, conflict-free alternative with the same brilliance and durability as natural diamonds.

Our natural diamonds and gemstones — including sapphire, ruby, emerald, and tanzanite — are sourced through established, reputable suppliers who follow internationally recognized standards for responsible mining, traceability, and ethical practices.

We carefully select every stone for quality, authenticity, and integrity, ensuring beauty you can trust and wear with confidence.