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- الجميع
- Ordering & Product Info
- Shipping & Delivery
- Returns & Exchanges
- Why STDIAM?
Ordering & Product Info
What is Stdiam Signature?
It’s our commitment to elite jewelry without the diamond industry's markups. We use the top 0.1% of Moissanite to ensure a look that is indistinguishable from flawless diamonds to the naked eye.
What carat sizes do you offer?
We offer a range from 1.00 to 10.00 carats depending on the style, with most signature rings available in 1, 2, and 3 carats.
How do I choose the right ring size?
Use our ring sizing guide or request a free ring sizer. If it’s not a perfect fit, we offer easy, free exchanges.
What is the ring made of?
Our core pieces are crafted with 8-layer 18K gold or white gold plating—up to 5x thicker than standard.
Shipping & Delivery
Do you ship internationally?
Yes. We ship to over 150 countries through trusted global couriers.
How long will delivery take?
Standard Delivery: 7–12 business days to craft + 3–10 days for shipping (based on country).
Express Delivery: 5–7 days to craft + 2–7 days for shipping. Choose this at checkout if you're in a hurry.
Express Delivery: 5–7 days to craft + 2–7 days for shipping. Choose this at checkout if you're in a hurry.
Will I get a tracking number?
Yes—tracking is available upon request. Just email us at info@STDIAM.com once your order ships.
Can I change my shipping address?
Yes—if your order hasn’t shipped yet. Email us immediately with your order number.
What if my order is lost or damaged?
We’ll make it right. Just contact us and our team will assist you.
Returns & Exchanges
What if I order the wrong size?
No stress—we offer free size exchanges to ensure a perfect fit.
What's your return policy?
Love it or return it. You can request a return within 21 days
What is Lifetime Stidam Care?
We cover manufacturing defects forever—plus offer lifetime repair services at a minimal fee.
Why STDIAM?
What is The New Diamond Standard@?
It’s Stdiam’s smarter alternative to overpriced diamond tradition—offering flawless brilliance, conflict-free gems, and iconic design without the markup.
Is it a real diamond?
No—and that’s the point. Stdiam and our top 0.1% moissanite are engineered to look flawless without the cost or compromise.
What does the packaging look like?
Every Stdiam piece is presented in our Signature Sustainable Walnut Wood Box with a cream-white interior. It’s an organic, high-end unboxing experience designed to be cherished.
Is it a good option for self-gifting or anniversaries?
Absolutely. Many customers choose Stdiam for personal milestones, travel rings, or meaningful gifts—because brilliance isn’t just for proposals.