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Marquise|Natural|IGI

1.50ct H SI2 Marquise Natural Diamond

VG • H/SI2 • IGI 814628555

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 814628555

Diamond specifications and retailer prices

From £2,205 GBP
As of November 6, 2026
Save £2,897 GBP (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £5,103 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 814628555. Listed at 14 retailers as of November 5, 2026, with prices from £2,205 to £5,103, a £2,897 spread on the same certified stone. NZ Jewellers lists it at £5,103. 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

1.50
Carat
H
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.8°
Pavilion angle35.1°
OriginNatural
Grading LabIGI
CertificateIGI 814628555
Dimensions11.21 × 5.96 × 3.59 mm
L/W Ratio1.88
Girdle conditionFaceted
Top View
11.21 mm5.96 mm1.50 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 814628555
Side View
Table 61.0%Crown 40.8°Girdle: STK-VTKPavilion 35.1°Culet: NoneDepth 60.2%

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 6
Current: £5,103 GBP|Low: £2,205 GBP|High: £5,153 GBP|Avg: £3,224 GBP|-1.0%
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
November 6, 2026
Retailer 2£2,205 GBP
Retailer 9£2,578 GBP
Retailer 3£2,740 GBP
Retailer 11£2,806 GBP
Retailer 4£2,929 GBP
Retailer 10£2,929 GBP
Retailer 13£2,929 GBP
Retailer 12£3,038 GBP
Retailer 8£3,056 GBP
Retailer 6£3,212 GBP
Retailer 5£3,379 GBP
Retailer 7£4,897 GBP
NZ Jewellers£5,103 GBP

44 data points across 13 retailers

14 retailers£2,205 GBP to £5,103 GBP

A
Cheapest Retailer
-
£2,205 GBP
B+
Retailer 2
-
£2,578 GBP
View
B+
Retailer 3
-
£2,740 GBP
View
B+
Retailer 4
-
£2,806 GBP
View
B+
Retailer 5
-
£2,929 GBP
View
B+
Retailer 6
-
£2,929 GBP
View
Retailer 7
-
£2,929 GBP
View
Price last confirmed 14 days ago
B+
Retailer 8
-
£3,038 GBP
View
B+
Retailer 9
-
£3,056 GBP
View
A
Retailer 10
-
£3,212 GBP
View
B+
Retailer 11
-
£3,379 GBP
View
Retailer 12
-
£3,480 GBP
View
Price last confirmed 62 days ago
B+
Retailer 13
-
£4,897 GBP
View
Most Expensive
B+
NZ Jewellers
a34e8ede-ef67-4a01-be4b-fce98b0fe0cc · Nov 5
£5,103 GBP
$6,830 USD
View
13 more retailers have this diamond
Prices start from £2,205 GBPSave up to £2,897 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
1.50ct Marquise
£2,205 GBP