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Round|Natural|GIA

0.40ct L SI2 Round Natural Diamond

EX • L/SI2 • GIA 7566332985

Certificate GIA 7566332985

Diamond specifications and retailer prices

From £114 GBP
As of November 1, 2026
Save £645 GBP (85%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £759 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 7566332985. Listed at 10 retailers as of November 1, 2026, with prices from £114 to £759, a £645 spread on the same certified stone. NZ Jewellers lists it at £759. 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
FluorescenceMedium
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7566332985
Dimensions4.72 × 4.73 × 2.92 mm
L/W Ratio1.00
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal
Top View
4.72 mm4.73 mm0.40 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7566332985
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.9%

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 1
Current: £759 GBP|Low: £114 GBP|High: £759 GBP|Avg: £278 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 4£114 GBP
Retailer 6£168 GBP
Retailer 5£181 GBP
Retailer 7£187 GBP
Retailer 9£212 GBP
Retailer 8£226 GBP
Retailer 2£252 GBP
Retailer 3£289 GBP
Retailer 10£348 GBP
NZ Jewellers£759 GBP

42 data points across 10 retailers

10 retailers£114 GBP to £759 GBP

A
Cheapest Retailer
-
£114 GBP
B+
Retailer 2
-
£168 GBP
View
Retailer 3
-
£181 GBP
View
Price last confirmed 8 days ago
B+
Retailer 4
-
£187 GBP
View
B+
Retailer 5
-
£212 GBP
View
B+
Retailer 6
-
£226 GBP
View
B+
Retailer 7
-
£252 GBP
View
B+
Retailer 8
-
£289 GBP
View
B+
Retailer 9
-
£296 GBP
View
Most Expensive
C
NZ Jewellers
830828b4-9bff-4453-b358-6116ad87937f · Nov 4
£759 GBP
$1,022 USD
View
9 more retailers have this diamond
Prices start from £114 GBPSave up to £645 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
£114 GBP