4 mm HPHT Lab-Grown Diamond | Round Brilliant Cut | ~0.25 ct+ | DEF Colour | VS Clarity | Triple Excellent | Gemdrop® Verified
£55.00
Skip to product information
4 mm HPHT Lab-Grown Diamond | Round Brilliant Cut | ~0.25 ct+ | DEF Colour | VS Clarity | Triple Excellent | Gemdrop® Verified
£55.00
Genuine laboratory-grown diamond in DEF, precision-cut as Round Brilliant Cut (4 mm). Crystalline carbon produces diamond’s characteristic brilliance.
Jewellery Applications: solitaire rings, stud earrings, pendants and bespoke jewellery.
Scientific Specifications
| Carat Weight | ~0.25 ct |
|---|---|
| Colour | DEF |
| Gem Type | Lab-Grown Diamond |
| Material | Carbon (C) |
| Cut Style | Round Brilliant Cut |
| Dimensions | 4 mm |
| Clarity | VS |
| Growth Method | HPHT |
| Hardness | 10 |
What Our Customers Say
“Beautiful gems for amazing prices, gemdropuk is well worth visiting I highly recommend”
— Rachel X., Gemdrop® customer
Scientifically Verified with an Ironclad Lifetime Guarantee
Every Gemdrop® gem is scientifically verified, assigned a unique Gemdrop ID, and permanently documented online.
Protected by our Lifetime Authenticity Guarantee, covering verified material identity.
Discover the Science: Gemdrop® Diamond.
Fast Worldwide Shipping & 14-Day Returns
Typically dispatched within 0–1 business days. Secure, fully tracked worldwide shipping from the UK.
Shop with confidence: Eligible UK and EU customers have 14 days from delivery to request a return, plus a further 14 days to send it back, subject to our Returns Policy.