Radiant|Natural|GIA

0.40ct H VS1 Radiant Natural Diamond

EX • H/VS1 • GIA 5426989625

Certificate GIA 5426989625

Diamond specifications and retailer prices

From £402 GBP
As of October 31, 2026
Save £347 GBP (46%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £750 GBP at MOH London · As of October 25, 2026
View at MOH London

About this 0.4ct natural radiant diamond

This 0.4ct natural radiant sits in the sub-half-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5426989625. Listed at 6 retailers as of October 25, 2026, with prices from £402 to £750, a £347 spread on the same certified stone. MOH London lists it at £750. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.40
Carat
H
Colour
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5426989625
Dimensions4.92 × 3.58 × 2.48 mm
L/W Ratio1.37
Top View
4.92 mm3.58 mm0.40 ctH / VS1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 5426989625
Side View
Table 65.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 69.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £750 GBP|Low: £380 GBP|High: £781 GBP|Avg: £508 GBP|-2.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 2£402 GBP
Retailer 7£440 GBP
Retailer 4£444 GBP
Retailer 5£462 GBP
Retailer 3£494 GBP
Retailer 6£535 GBP
MOH London£750 GBP

44 data points across 7 retailers

6 retailers£402 GBP to £750 GBP

B+
Cheapest Retailer
-
£402 GBP
B+
Retailer 2
-
£444 GBP
View
B+
Retailer 3
-
£462 GBP
$619 USD
View
B+
Retailer 4
-
£494 GBP
€630 EUR
View
Retailer 5
-
£535 GBP
A$1,103 AUD
View
Price last confirmed 27 days ago
Most Expensive
B
MOH London
27CF624AE · Oct 25
£750 GBP
View
5 more retailers have this diamond
Prices start from £402 GBPSave up to £347 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
0.40ct Radiant
£402 GBP