Madison Avenue Diamond
Design Your Own Diamond Engagement Ring
Design Your Own Diamond Engagement Ring
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Design Your Own Engagement Ring
Bring your dream ring to life. Whether you’ve saved an image, sketched an idea, or found inspiration online, we invite you to create a fully customized engagement ring. Simply send us the photo or reference design you love—we’ll respond with a tailored quotation and multiple setting and stone options to suit your budget and style.
💎 D Color / VVS1–VVS2 / 3EX Lab-Grown Diamonds
🖼️ Upload or send your reference design
📩 We’ll provide a quote and available design options
🔧 Crafted by expert jewelers with IGI-certified diamonds
🌐 Free international shipping | 🛡️ Quality and authenticity guaranteed
Turn your inspiration into a one-of-a-kind piece—crafted just for you.
Things you need to know before purchase
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Diamond & Diamond Ring puchases
✉️ After purchase, we’ll email the IGI certificate for your review.
💎Not loving the diamond?Just say so! We’ll show you 5+ replacements of the same size.
🔄Still not satisfied?Get a full refund, no fees– guaranteed. -
Shipping & Return
Free Shipping for all purchase
💎 Loose Diamonds - Processing: 1–2 business days - Shipping: 3–8 business days (insured courier) - within 30-day unconditional refund
💍 Finished Jewelry - Production: 10-15 business days - Shipping: 3–8 business days after production. Diamond will be fully refunded. Jewelry we will charge $40USD for polishing and restock fee. within 14 days refund.
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Why Buys from Madison Avenue HK | MadisonDia
We are a Trusted Name Since 2012, we are a well known physical luxury boutique in Hong Kong. With a long and trustable track record, you also can check our 5 Star rating with BUYMA
Free Repair Service- Complimentary repair within the first year.* After one year, repair costs will be quoted separately.
- For side stones (if any, excluding the main diamond), one complimentary repair within the first year.* Afterward, costs will be quoted separately.
- Due to variations in craftsmanship, certain items may not be eligible for complimentary service.
*Excludes any damage caused by human factors.
Frequently Asked Questions
Why Choose MadisonDia for Your Diamond?
Madison Avenue | MadisonDia brings over a decade of experience in luxury and diamond jewelry sales across Hong Kong, Macau, Taiwan, and Japan. Unlike other merchants who rely on inflated reviews, our perfect 5.0 seller rating on BUYMA is verified and backed by genuine customer transactions. Every diamond is independently certified by IGI or GIA. Thanks to our direct pricing model, you can acquire premium diamonds at unbeatable prices. We also maintain extensive inventory of lab-grown diamonds for our clients to choose from. Whether in product quality, pricing, or credibility, MadisonDia consistently outperforms other vendors.
What is a lab-grown diamond?
Lab-grown diamonds are real diamonds, created using advanced technology that replicates the natural formation process. They are identical in composition, brilliance, and durability to mined diamonds—without the environmental and ethical concerns.
👉 For more details, please visit our Full Explanation Page.
Why are MadisonDia's diamonds more affordable?
Just as Madison Avenue has always offered luxury without the unnecessary markup, MadisonDia eliminates the middlemen. By working directly with leading laboratories, we provide exceptional lab-grown diamonds at true factory-direct prices.
Is shopping on your website secure?
Yes. Our site is fully protected withSSL encryption, and payments are securely processed via trusted gateways such as Stripe and PayPal. We never store your payment details.