Round|Natural|GIA

0.40ct L SI2 Round Natural Diamond

EX • L/SI2 • GIA 2436215943

Certificate GIA 2436215943

Diamond specifications and retailer prices

From £190 GBP
As of November 6, 2026
Save £809 GBP (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £999 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 L colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2436215943. Listed at 12 retailers as of November 4, 2026, with prices from £190 to £999, a £809 spread on the same certified stone. NZ Jewellers lists it at £999. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.40
Carat
L
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2436215943
Dimensions4.71 × 4.73 × 2.94 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
4.71 mm4.73 mm0.40 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2436215943
Side View
Table 58.0%Crown 36.5°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 62.2%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: £278 GBP|Low: £190 GBP|High: £371 GBP|Avg: £282 GBP|+5.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 7£190 GBP
Retailer 3£230 GBP
Retailer 4£234 GBP
Retailer 1£278 GBP
Retailer 6£300 GBP
Retailer 5£369 GBP
Retailer 2£370 GBP

38 data points across 7 retailers

12 retailers£190 GBP to £999 GBP

A
Cheapest Retailer
-
£190 GBP
A
Retailer 2
-
£221 GBP
View
B+
Retailer 3
-
£230 GBP
View
Retailer 4
-
£238 GBP
View
Price last confirmed 8 days ago
B+
Retailer 5
-
£246 GBP
View
B+
Retailer 6
-
£278 GBP
View
B+
Retailer 7
-
£297 GBP
View
B+
Retailer 8
-
£300 GBP
View
B+
Retailer 9
-
£317 GBP
View
B
Retailer 10
-
£369 GBP
View
B+
Retailer 11
-
£370 GBP
View
Most Expensive
C
NZ Jewellers
697bb496-9574-4eb5-b699-ea448bd33fd1 · Nov 4
£999 GBP
$1,345 USD
View
11 more retailers have this diamond
Prices start from £190 GBPSave up to £809 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
£190 GBP