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Round|Natural|GIA

0.40ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 6235795363

Certificate GIA 6235795363

Diamond specifications and retailer prices

From £181 GBP
As of November 6, 2026
Save £790 GBP (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £970 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6235795363. Listed at 14 retailers as of November 4, 2026, with prices from £181 to £970, a £790 spread on the same certified stone. NZ Jewellers lists it at £970. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6235795363
Dimensions4.77 × 4.78 × 2.95 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
4.77 mm4.78 mm0.40 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6235795363
Side View
Table 57.0%Crown 33.5°Girdle: MediumPavilion 41.6°Culet: NoneDepth 61.9%

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: £269 GBP|Low: £224 GBP|High: £364 GBP|Avg: £296 GBP|-25.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5£227 GBP
Retailer 3£230 GBP
Retailer 1£269 GBP
Retailer 7£291 GBP
Retailer 2£334 GBP
Retailer 4£361 GBP
Retailer 6£364 GBP

42 data points across 7 retailers

14 retailers£181 GBP to £970 GBP

A
Cheapest Retailer
-
£181 GBP
A
Retailer 2
-
£214 GBP
View
B+
Retailer 3
-
£230 GBP
View
Retailer 4
-
£231 GBP
View
Price last confirmed 8 days ago
B+
Retailer 5
-
£239 GBP
View
B+
Retailer 6
-
£269 GBP
View
B+
Retailer 7
-
£282 GBP
View
B+
Retailer 8
-
£288 GBP
View
B+
Retailer 9
-
£291 GBP
View
B+
Retailer 10
-
£311 GBP
View
B+
Retailer 11
-
£334 GBP
View
B
Retailer 12
-
£364 GBP
View
B
Retailer 13
-
£383 GBP
View
Most Expensive
B
NZ Jewellers
8ebf0f20-652a-418b-9636-8e65eeb9719a · Nov 4
£970 GBP
$1,306 USD
View
13 more retailers have this diamond
Prices start from £181 GBPSave up to £790 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
£181 GBP