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Round|Natural|IGI

0.47ct I SI2 Round Natural Diamond

EX • I/SI2 • IGI 815617876

Shape and cutting style on the report: Round brilliant

Certificate IGI 815617876

Diamond specifications and retailer prices

From £188 GBP
As of November 5, 2026
Save £162 GBP (46%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £815 GBP at NZ Jewellers · As of October 6, 2026
View at NZ Jewellers

About this 0.47ct natural round diamond

This 0.47ct natural round sits in the sub-half-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 815617876. Listed at 3 retailers as of November 5, 2026, with a 86% 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

0.47
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 815617876
Dimensions4.95 × 4.97 × 3.10 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
4.95 mm4.97 mm0.47 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 815617876
Side View
Table 55.0%Crown 35.2°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.4%

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 5
Current: £350 GBP|Low: £185 GBP|High: £354 GBP|Avg: £253 GBP|+1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 5, 2026
Retailer 3£186 GBP
Retailer 2£188 GBP
Retailer 4£271 GBP
Retailer 1£350 GBP

22 data points across 4 retailers

3 retailers£188 GBP to £350 GBP

A
Cheapest Retailer
-
£188 GBP
A
Retailer 2
-
£350 GBP
View
Most Expensive
NZ Jewellers
bbd2df52-c5e9-40aa-9bd7-abfbf4bd17e7 · Oct 6
£815 GBP
$1,097 USD
View
Price last confirmed 31 days ago
2 more retailers have this diamond
Prices start from £188 GBPSave up to £162 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
0.47ct Round
£188 GBP