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Round|Natural|GIA

0.40ct M VVS2 Round Natural Diamond

EX • M/VVS2 • GIA 6412310390

Certificate GIA 6412310390

Diamond specifications and retailer prices

From £148 GBP
As of November 5, 2026
Save £231 GBP (61%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £958 GBP at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.4ct natural round diamond

This 0.4ct natural round sits in the sub-half-carat band, graded M colour (faint-tinted) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by GIA 6412310390. Listed at 10 retailers as of November 5, 2026, with a 156% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.40
Carat
M
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6412310390
Dimensions4.74 × 4.73 × 2.86 mm
L/W Ratio1.00
Lower girdle75%
Top View
4.74 mm4.73 mm0.40 ctM / VVS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6412310390
Side View
Table 60.0%Crown 34.5°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 60.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £958 GBP|Low: £148 GBP|High: £996 GBP|Avg: £336 GBP|-3.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 4£148 GBP
Retailer 11£161 GBP
Retailer 10£212 GBP
Retailer 6£228 GBP
Retailer 9£236 GBP
Retailer 7£285 GBP
Retailer 3£328 GBP
Retailer 5£329 GBP
Retailer 2£354 GBP
Retailer 8£379 GBP
NZ Jewellers£958 GBP

43 data points across 11 retailers

10 retailers£148 GBP to £379 GBP

A
Cheapest Retailer
-
£148 GBP
A
Retailer 2
-
£161 GBP
View
A
Retailer 3
-
£212 GBP
View
Retailer 4
-
£228 GBP
View
Price last confirmed 8 days ago
A
Retailer 5
-
£236 GBP
View
B+
Retailer 6
-
£285 GBP
View
B+
Retailer 7
-
£329 GBP
View
B+
Retailer 8
-
£354 GBP
View
B
Retailer 9
-
£379 GBP
View
Most Expensive
NZ Jewellers
e637dbc7-f4a3-4587-ab0d-4c20410c8ed2 · Nov 4
£958 GBP
$1,290 USD
View
Price under review
9 more retailers have this diamond
Prices start from £148 GBPSave up to £231 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.

A
0.40ct Round
£148 GBP