Marquise Lab Diamond Solitaire Stud Earrings
- Details & Specs
- Diamonds Quality
- SHIPPING
- RETURNS & EXCHANGES
💎 OUR DIAMOND SELECTION PROCESS
Not all diamonds are created equal.
While any diamond can be certified, we go further, every stone is individually reviewed against strict criteria before being approved for your ring.
Cut: Only Excellent and Ideal grades selected for maximum brilliance and light return.
Clarity & Color: VS1 or better, D–F colorless range. No brown or gray tinting accepted.
Certification: Every lab diamond 1ct and above is certified by IGI or GIA, with full documentation included.
Why it matters: Two diamonds with identical grades can look completely different. Cut quality determines sparkle, we only select stones with exceptional light performance.
⏱️ Production Time: 4–5 Weeks
Your piece is crafted from scratch the moment your order is placed.
✈️ Shipping Time: 3–7 Business Days
- Free worldwide shipping on all orders
- Fully insured in transit
- Signature required upon delivery
- Full tracking provided
📦 Ships From:
- Canada — for Canadian & international orders
- USA — for US customers
Need it by a specific date?
Contact us before ordering and we'll do our best to accommodate your timeline.
Contact us →
View Full Shipping Policy →
RETURNS & EXCHANGES
30-Day Exchange Policy
We offer exchanges for store credit within 30 days of shipment. A restocking fee applies.
To be eligible:
- Security tag must remain attached and intact
- Item must be unworn and in original packaging
- Requested within 30 days of shipment date
Non-Exchangeable Items:
- Earrings are final sale
- Custom engraved or altered pieces
- Items with security tag removed
Damaged or Defective?
Contact us within 7 days of delivery — we'll replace it or issue full store credit at no charge.
💎 Lifetime Craftsmanship Warranty included with every purchase.
Full Return Policy →
WHAT'S INCLUDED
✓ Your custom-made jewelry
✓ Diamond certification (IGI/GIA)
✓ Certificate of Authenticity
✓ Elegant jewelry box
✓ Cleaning cloth
✓ Lifetime warranty certificate
Free Shipping
Lifetime Warranty
Certificate & Appraisal
Free Return
FREQUENTLY ASKED QUESTIONS
Are lab-grown diamonds real diamonds?
Yes! Lab-grown diamonds are chemically, physically, and optically identical to mined diamonds. They're graded using the same standards and come with certification.
Is the diamond certified?
Yes, every center diamond 1ct and above includes certification from IGI or GIA showing carat, color, clarity, and cut grades.
What gold quality do you use?
Our pieces are solid gold in your choice of 10k, 14k, or 18k. We never use gold-plated or gold-filled metals.
Can I request a custom modification?
For custom requests beyond the available options, contact us before ordering and we'll do our best to accommodate.
CARING PRACTICES
User Manuals
Avoid exposing your jewelry to harsh chemicals, such as chlorine, bleach, and ammonia. Remove jewelry before any physical activity, manual labor, sleeping, and showering.
Storage
Store each piece of jewelry separately to avoid scratches and tangles. Soft jewelry pouches and cloth-lined jewelry boxes are ideal for storing fine jewelry.
Maintenance
Clean your jewelry regularly to remove dirt and oil buildup. Use a soft cloth or a specialized jewelry cleaning solution to gently clean the surface of your jewelry.
Inspection
Have your fine jewelry professionally cleaned and inspected every 1-2 years to ensure that it remains in good condition.
Loved by Real Couples
5.0 · 42 verified reviews
"Saved around five thousand dollars compared to going through a traditional jeweler. The ring arrived in three weeks, my fiancée is in love with it, and I’d recommend Tang & Co to anyone without hesitation."
"Two weeks. That’s all we had. Tang & Co pulled off a custom ring in two weeks when every other jeweler quoted us six. We landed internationally with the ring in hand. Still can’t believe it."
"People stop me constantly to ask about my ring. Every single time, I tell them: Tang & Co. The quality is undeniable and the customer service matched it. Highly, highly recommend."
"The ring is perfect. I keep catching myself just staring at it on her hand — the way it catches light, the way it fits her. It’s the kind of piece that feels like it was designed specifically for one person."
"The communication was unlike anything I’ve experienced buying jewelry. They texted updates at every stage — when production started, when it was nearly done, when it shipped. The ring is beautiful."
"Platinum setting, round diamond — everything I asked for and then some. Tang & Co delivered a ring that genuinely exceeded what I saw on the website. The craftsmanship is exceptional."
"Replacing my mother’s diamond — a 1950s stone with zero imperfections — is not a small thing. Tang & Co understood the weight of that and treated the whole process with real care. The result is something I’ll wear forever."
"Bought my wife a new ring for our 25th anniversary and it was everything she’d hoped for. The craftsmanship is excellent and she specifically wanted lab-grown, conflict-free diamonds — Tang & Co delivered on all of it."
"I spent weeks comparing online jewelers before landing on Tang & Co — and honestly, I wish I’d found them sooner. The ring is flawless, the process was smooth, and I’d order again without hesitation."
"Tang & Co are a dream team. The design I brought to them was complex and they brought it to life without compromise. The diamond quality and craftsmanship are genuinely impeccable."
"Arrived exactly one month after ordering. Sizing spot-on, quality above expectations, and after several months of daily wear it still looks as good as day one. Solid craftsmanship throughout."
"The prices made me raise an eyebrow — in a good way. I was skeptical until I held the ring. The online consultation was efficient, the customization process was clear, and the final product blew me away."