Round|Natural|IGI

0.41ct G SI2 Round Natural Diamond

EX • G/SI2 • IGI 638418815

Shape and cutting style on the report: Round brilliant

Certificate IGI 638418815

Diamond specifications and retailer prices

From £287 GBP
$384 USD
As of October 28, 2026
Save £378 GBP (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,097 GBP at NZ Jewellers · As of September 24, 2026
View at NZ Jewellers

About this 0.41ct natural round diamond

This 0.41ct natural round sits in the sub-half-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 638418815. Listed at 13 retailers as of October 28, 2026, with a 132% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.41
Carat
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle41.3°
OriginNatural
Grading LabIGI
CertificateIGI 638418815
Dimensions4.77 × 4.74 × 2.93 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
4.77 mm4.74 mm0.41 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 638418815
Side View
Table 60.0%Crown 34.8°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 61.8%

Caratlytics Score

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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: Oct 28
Current: £463 GBP|Low: £287 GBP|High: £669 GBP|Avg: £388 GBP|+3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 10£287 GBP
Retailer 4£298 GBP
Retailer 12£308 GBP
Retailer 8£312 GBP
Retailer 7£319 GBP
Retailer 5£355 GBP
Retailer 2£384 GBP
Retailer 11£385 GBP
Retailer 9£404 GBP
Retailer 13£422 GBP
Retailer 3£432 GBP
Retailer 1£463 GBP
Retailer 6£664 GBP

25 data points across 13 retailers

13 retailers£287 GBP to £664 GBP

A
Cheapest Retailer
-
£287 GBP
$384 USD
Retailer 2
-
£298 GBP
$400 USD
View
Price last confirmed 77 days ago
A
Retailer 3
-
£308 GBP
$413 USD
View
A
Retailer 4
-
£319 GBP
$428 USD
View
A
Retailer 5
-
£384 GBP
$514 USD
View
Retailer 6
-
£385 GBP
$516 USD
View
Price last confirmed 10 days ago
Retailer 7
-
£393 GBP
$526 USD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
£404 GBP
$541 USD
View
B+
Retailer 9
-
£463 GBP
€591 EUR
View
B+
Retailer 10
-
£465 GBP
View
B
Retailer 11
-
£528 GBP
View
B
Retailer 12
-
£664 GBP
View
Most Expensive
NZ Jewellers
af4fa7e5-9d6c-4e6d-94ce-54543d38dc7f · Sep 24
£1,097 GBP
$1,470 USD
View
Price last confirmed 38 days ago
12 more retailers have this diamond
Prices start from £287 GBPSave up to £378 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
0.41ct Round
£287 GBP