Madison Avenue Diamond
1ct Emerald Cut Lab Grown Ruby
1ct Emerald Cut Lab Grown Ruby
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1ct Emerald Cut Lab-Grown Ruby
We’ve removed the confusing choices—so you don’t have to worry about picking the wrong one.
Every stone we sell is:
Vivid Red (the highest premium color grade for ruby—intense, pure red with exceptional saturation and brilliance, reminiscent of the legendary "Pigeon's Blood" hue)
We only offer this one top-tier standard—so you never have to compare lower grades or second-guess your decision.
You just choose the size. That’s it.
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Lab Grown Ruby
Lab Grown Ruby is a laboratory-created gemstone that perfectly replicates the fiery, vivid red color and exceptional brilliance of rare natural ruby—delivering the same luxurious passion and sparkle without the high cost or environmental impact of mining.
Key Features:
- Origin & Creation — Grown in controlled lab conditions using advanced methods (such as hydrothermal or flame fusion for synthetic corundum), it matches the exact chemical composition (aluminum oxide with chromium), crystal structure, and optical properties of natural ruby—chemically and physically identical, yet more ethical, sustainable, and accessible.
- Color & Clarity — Intense, vibrant red (often described as vivid or pigeon's blood-like) with stunning fire and brilliance; high clarity with minimal inclusions for maximum light performance and eye-catching appeal in any setting.
- Durability — Exceptional hardness of 9 on the Mohs scale, identical to natural ruby—perfect for everyday wear in engagement rings, earrings, pendants, and fine jewelry that lasts a lifetime.
Jewelry returns subject to conditions. Shipping Detail
Things you need to know before purchase
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MadisonDia Premium Lab-Grown Diamond Standards
Only International Gemological Institute (IGI) certified diamonds — ID EX / EX grade, each meeting our proprietary MISI™ (MadisonDia Ideal Sparkle Index) score of 80+.
MISI™ goes beyond the traditional 4Cs by evaluating advanced light performance—brilliance, fire, and scintillation—ensuring exceptional real-world sparkle, not just laboratory grading.
✉️ 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: 5-15 business days - Shipping: 3–8 business days after production. Diamond goods will be fully refunded in store credits. 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.