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Marquise|Natural|IGI

0.57ct H SI2 Marquise Natural Diamond

VG • H/SI2 • IGI 815656050

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 815656050

Diamond specifications and retailer prices

From £395 GBP
As of November 5, 2026
Save £1,066 GBP (73%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,461 GBP at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 0.57ct natural marquise diamond

This 0.57ct natural marquise sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 815656050. Listed at 10 retailers as of November 3, 2026, with prices from £395 to £1,461, a £1,066 spread on the same certified stone. NZ Jewellers lists it at £1,461. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.57
Carat
H
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle39.9°
OriginNatural
Grading LabIGI
CertificateIGI 815656050
Dimensions8.51 × 4.27 × 2.76 mm
L/W Ratio1.99
Girdle conditionFaceted
Top View
8.51 mm4.27 mm0.57 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 815656050
Side View
Table 57.0%Crown 37.5°Girdle: Slightly ThickPavilion 39.9°Culet: NoneDepth 64.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £1,461 GBP|Low: £395 GBP|High: £1,515 GBP|Avg: £697 GBP|-3.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5£395 GBP
Retailer 6£426 GBP
Retailer 8£466 GBP
Retailer 7£502 GBP
Retailer 10£504 GBP
Retailer 4£582 GBP
Retailer 3£620 GBP
Retailer 2£699 GBP
Retailer 9£1,077 GBP
NZ Jewellers£1,461 GBP

38 data points across 10 retailers

10 retailers£395 GBP to £1,461 GBP

A
Cheapest Retailer
-
£395 GBP
A
Retailer 2
-
£426 GBP
View
A
Retailer 3
-
£466 GBP
View
A
Retailer 4
-
£502 GBP
View
Retailer 5
-
£504 GBP
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£582 GBP
View
B+
Retailer 7
-
£620 GBP
View
B
Retailer 8
-
£699 GBP
View
B
Retailer 9
-
£1,077 GBP
View
Most Expensive
B
NZ Jewellers
f085f0e7-efb2-4142-9fcf-f4a7412e5202 · Nov 3
£1,461 GBP
$1,956 USD
View
9 more retailers have this diamond
Prices start from £395 GBPSave up to £1,066 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 Marquise
£395 GBP