Global Quality Assurance
Every Moissanite stone over 0.5ct is hand-inspected and comes with an official GRA Certification report.
Impimo 0.4 CT Lab-Grown Diamond Round Cut Ring - 925 Sterling Silver with 18K White Gold Plating
0.4 CT / 45
4,390.00 THB
Sale price
4,390.00 THB
Regular price
8,900.00 THB
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In stock
Impimo 0.4 CT Lab-Grown Diamond Round Cut Ring - 925 Sterling Silver with 18K White Gold Plating
4,390.00 THB
Sale price
4,390.00 THB
Regular price
8,900.00 THB
Engraving Note
Max 15 characters
Pickup available at Key Gems International
Usually ready in 2-4 days
🏅 GRA & IGI Certified | 💍 25 Years Bangkok Heritage | 🎁 Free Gift Box | 🚚 Free Shipping & 14-Day Returns
The Diamond Ring You Always Wanted. Sustainably Made.
The Impimo 0.4 CT Round Lab-Grown Diamond Ring is handcrafted in our Bangkok workshop — 25 years of fine jewellery expertise delivering heirloom-quality brilliance at a price that makes sense for the modern buyer.
Why This Piece?
- Diamond-Grade Brilliance: D Color VS1 Lab-Grown Diamond — chemically and optically identical to a mined diamond, sustainably created and Quality Guaranteed.
- Built for a Lifetime: 925 Sterling Silver with 18K White Gold Plating — hypoallergenic, tarnish-resistant, and crafted to maintain its lustre with everyday wear.
- Precision Cut: Round brilliant cut — the most light-reflective cut ever engineered, maximising fire and scintillation from every angle.
- Wear It Your Way: Stacks beautifully with other rings or worn alone as a statement solitaire — versatile for everyday wear and special occasions.
- Arrives Gift-Ready: Presented in our signature Impimo luxury box with Impimo Quality Guarantee included — no extra wrapping needed.
Specifications
| Gemstone | Lab-Grown Diamond |
| Colour & Clarity | D Color VS1 |
| Cut | Round Brilliant |
| Carat Weight | 0.4 CT |
| Metal | 925 Sterling Silver with 18K White Gold Plating |
| Plating Thickness | 2 microns 18K White Gold |
| Quality Assurance | Impimo Quality Guarantee — inspected and approved in our Bangkok workshop |
| Crafted In | Impimo Jewels Workshop, Bangkok — 25 Years Heritage |
Care Instructions
Store in the provided Impimo box when not wearing. Clean gently with a soft, lint-free cloth. Avoid prolonged exposure to chlorine, harsh chemicals, saltwater, and perfume to preserve the plating and gemstone brilliance. Safe for everyday wear with proper care.
Shipping & Returns
Free shipping within Thailand on orders over 2,000 THB. Free worldwide shipping on orders over $200 USD. Delivered in 3–7 business days. Returns accepted within 14 days on unworn, unaltered items in original packaging. every purchase is backed by Impimos quality guarantee.
Technical Specifications
| Stone Type | Lab-Grown Diamond (chemically and optically identical to mined diamond) |
| Certification | IGI (International Gemological Institute) - certificate included for stones 0.5 CT and above |
| Color Grade | D (colorless) |
| Clarity | VS1 |
| Mohs Hardness | 10 |
| Metal | 925 Sterling Silver (92.5% pure silver) with 18K White Gold Plating |
| Finish | Non-tarnishing, hypoallergenic, nickel-free |
| Hallmark | S925 stamped |
| Manufacturer | Impimo Jewels - in-house factory, 25 years export experience (Europe and USA) |
| Pricing Model | Factory-direct - no importer or distributor markup |
| Design | Exclusive in-house design - not available from any other retailer |