Round|Natural|IGI

0.57ct H SI2 Round Natural Diamond

EX • H/SI2 • IGI 395996297

Shape and cutting style on the report: Round brilliant

Certificate IGI 395996297

Diamond specifications and retailer prices

From £331 GBP
$443 USD
As of October 28, 2026
Save £936 GBP (74%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,267 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.57ct natural round diamond

This 0.57ct natural round sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 395996297. Listed at 11 retailers as of October 28, 2026, with prices from £331 to £1,267, a £936 spread on the same certified stone. NZ Jewellers lists it at £1,267. 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

0.57
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.4°
OriginNatural
Grading LabIGI
CertificateIGI 395996297
Dimensions5.34 × 5.31 × 3.29 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
5.34 mm5.31 mm0.57 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 395996297
Side View
Table 56.5%Crown 35.9°Girdle: MediumPavilion 40.4°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: £1,267 GBP|Low: £258 GBP|High: £1,267 GBP|Avg: £479 GBP
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
October 30, 2026
Retailer 5£258 GBP
Retailer 11£331 GBP
Retailer 8£356 GBP
Retailer 9£356 GBP
Retailer 3£363 GBP
Retailer 12£381 GBP
Retailer 13£403 GBP
Retailer 10£428 GBP
Retailer 6£429 GBP
Retailer 2£502 GBP
Retailer 4£502 GBP
Retailer 7£764 GBP
NZ Jewellers£1,267 GBP

21 data points across 13 retailers

11 retailers£331 GBP to £1,267 GBP

A
Cheapest Retailer
-
£331 GBP
$443 USD
A
Retailer 2
-
£356 GBP
$477 USD
View
A
Retailer 3
-
£356 GBP
$477 USD
View
A
Retailer 4
-
£381 GBP
$511 USD
View
A
Retailer 5
-
£403 GBP
$540 USD
View
A
Retailer 6
-
£428 GBP
$574 USD
View
A
Retailer 7
-
£429 GBP
View
A
Retailer 8
-
£502 GBP
€640 EUR
View
B
Retailer 9
-
£764 GBP
View
B
Retailer 10
-
£849 GBP
View
Most Expensive
B
NZ Jewellers
c9ef662d-0a4a-4e8e-908a-34aec39df8f7 · Oct 30
£1,267 GBP
$1,697 USD
View
10 more retailers have this diamond
Prices start from £331 GBPSave up to £936 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
0.57ct Round
£331 GBP