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Round|Natural|IGI

0.48ct H SI1 Round Natural Diamond

EX • H/SI1 • IGI 831666423

Shape and cutting style on the report: Round brilliant

Certificate IGI 831666423

Diamond specifications and retailer prices

From £223 GBP
As of November 6, 2026
Save £976 GBP (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,198 GBP at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.48ct natural round diamond

This 0.48ct natural round sits in the sub-half-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 831666423. Listed at 16 retailers as of November 4, 2026, with prices from £223 to £1,198, a £976 spread on the same certified stone. NZ Jewellers lists it at £1,198. 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

0.48
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.8°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 831666423
Dimensions5.03 × 5.05 × 3.11 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
5.03 mm5.05 mm0.48 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 831666423
Side View
Table 57.0%Crown 35.8°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.8%

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: £1,198 GBP|Low: £223 GBP|High: £1,223 GBP|Avg: £485 GBP|-2.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 6, 2026
Retailer 2£223 GBP
Retailer 13£313 GBP
Retailer 15£337 GBP
Retailer 6£344 GBP
Retailer 4£361 GBP
Retailer 9£394 GBP
Retailer 11£406 GBP
Retailer 3£409 GBP
Retailer 7£424 GBP
Retailer 12£468 GBP
Retailer 14£487 GBP
Retailer 10£503 GBP
Retailer 8£629 GBP
Retailer 5£736 GBP
NZ Jewellers£1,198 GBP

23 data points across 15 retailers

16 retailers£223 GBP to £1,198 GBP

A
Cheapest Retailer
-
£223 GBP
A
Retailer 2
-
£313 GBP
View
A
Retailer 3
-
£337 GBP
View
Retailer 4
-
£344 GBP
View
Price last confirmed 8 days ago
Retailer 5
-
£349 GBP
View
Price last confirmed 43 days ago
A
Retailer 6
-
£361 GBP
View
A
Retailer 7
-
£394 GBP
View
A
Retailer 8
-
£406 GBP
View
B+
Retailer 9
-
£409 GBP
View
B+
Retailer 10
-
£424 GBP
View
B+
Retailer 11
-
£468 GBP
View
B+
Retailer 12
-
£487 GBP
View
B+
Retailer 13
-
£503 GBP
View
B+
Retailer 14
-
£629 GBP
View
B
Retailer 15
-
£736 GBP
View
Most Expensive
B
NZ Jewellers
d9282c57-0f8b-48ec-b847-3946bc21f0de · Nov 4
£1,198 GBP
$1,613 USD
View
15 more retailers have this diamond
Prices start from £223 GBPSave up to £976 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
0.48ct Round
£223 GBP