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0.57ct D SI2 Round Natural Diamond

EX • D/SI2 • IGI 831669356

Shape and cutting style on the report: Round brilliant

Certificate IGI 831669356

Diamond specifications and retailer prices

From £420 GBP
$559 USD
As of October 29, 2026
Save £1,009 GBP (71%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,429 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 831669356. Listed at 15 retailers as of October 29, 2026, with prices from £420 to £1,429, a £1,009 spread on the same certified stone. NZ Jewellers lists it at £1,429. 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
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 831669356
Dimensions5.31 × 5.34 × 3.27 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
5.31 mm5.34 mm0.57 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 831669356
Side View
Table 58.0%Crown 35.8°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.4%

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: Oct 29
Current: £1,429 GBP|Low: £420 GBP|High: £1,429 GBP|Avg: £654 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
Retailer 14
Retailer 15
October 30, 2026
Retailer 3£420 GBP
Retailer 10£456 GBP
Retailer 13£462 GBP
Retailer 4£490 GBP
Retailer 11£490 GBP
Retailer 9£526 GBP
Retailer 15£548 GBP
Retailer 12£555 GBP
Retailer 6£579 GBP
Retailer 2£606 GBP
Retailer 8£623 GBP
Retailer 5£644 GBP
Retailer 7£663 GBP
Retailer 14£1,054 GBP
NZ Jewellers£1,429 GBP

14 data points across 15 retailers

15 retailers£420 GBP to £1,429 GBP

A
Cheapest Retailer
-
£420 GBP
$559 USD
Final sale: no returns
A
Retailer 2
-
£456 GBP
$607 USD
View
A
Retailer 3
-
£462 GBP
$615 USD
View
A
Retailer 4
-
£490 GBP
$653 USD
View
A
Retailer 5
-
£490 GBP
$653 USD
View
A
Retailer 6
-
£526 GBP
$700 USD
View
A
Retailer 7
-
£548 GBP
View
A
Retailer 8
-
£555 GBP
$739 USD
View
A
Retailer 9
-
£579 GBP
$771 USD
View
A
Retailer 10
-
£606 GBP
View
B+
Retailer 11
-
£623 GBP
€790 EUR
View
A
Retailer 12
-
£644 GBP
$858 USD
View
B+
Retailer 13
-
£663 GBP
$883 USD
View
B+
Retailer 14
-
£1,054 GBP
View
Most Expensive
B
NZ Jewellers
1073e330-d9fc-45aa-b6f7-f84111162d3c · Oct 30
£1,429 GBP
$1,903 USD
View
14 more retailers have this diamond
Prices start from £420 GBPSave up to £1,009 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
£420 GBP