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Marquise|Natural|IGI

0.90ct J SI1 Marquise Natural Diamond

VG • J/SI1 • IGI 746531360

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 746531360

Diamond specifications and retailer prices

From £674 GBP
$905 USD
As of October 31, 2026
Save £1,618 GBP (71%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £2,292 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.9ct natural marquise diamond

This 0.9ct natural marquise sits in the just-under-one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 746531360. Listed at 16 retailers as of October 30, 2026, with prices from £674 to £2,292, a £1,618 spread on the same certified stone. NZ Jewellers lists it at £2,292. 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

0.90
Carat
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.1°
OriginNatural
Grading LabIGI
CertificateIGI 746531360
Dimensions9.68 × 5.10 × 3.13 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizePointed
Top View
9.68 mm5.10 mm0.90 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 746531360
Side View
Table 57.0%Crown 35.5°Girdle: STK-THKPavilion 40.1°Culet: NoneDepth 61.4%

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: Oct 31
Current: £2,292 GBP|Low: £616 GBP|High: £2,292 GBP|Avg: £995 GBP|+9.3%
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
Retailer 16
November 2, 2026
Retailer 6£674 GBP
Retailer 16£715 GBP
Retailer 12£731 GBP
Retailer 15£755 GBP
Retailer 8£757 GBP
Retailer 2£759 GBP
Retailer 14£812 GBP
Retailer 11£831 GBP
Retailer 13£842 GBP
Retailer 3£844 GBP
Retailer 10£872 GBP
Retailer 4£1,027 GBP
Retailer 5£1,071 GBP
Retailer 7£1,394 GBP
Retailer 9£1,407 GBP
NZ Jewellers£2,292 GBP

27 data points across 16 retailers

16 retailers£674 GBP to £2,292 GBP

B+
Cheapest Retailer
-
£674 GBP
$905 USD
Final sale: no returns
A
Retailer 2
-
£715 GBP
$960 USD
View
B+
Retailer 3
-
£731 GBP
$981 USD
View
A
Retailer 4
-
£755 GBP
$1,013 USD
View
B+
Retailer 5
-
£757 GBP
$1,016 USD
View
B+
Retailer 6
-
£759 GBP
$1,019 USD
View
B+
Retailer 7
-
£812 GBP
$1,089 USD
View
B+
Retailer 8
-
£831 GBP
$1,115 USD
View
B+
Retailer 9
-
£842 GBP
$1,130 USD
View
B+
Retailer 10
-
£844 GBP
$1,132 USD
View
B+
Retailer 11
-
£872 GBP
View
B+
Retailer 12
-
£1,027 GBP
€1,313 EUR
View
B+
Retailer 13
-
£1,071 GBP
ZAR 23,213 ZAR
View
B
Retailer 14
-
£1,394 GBP
View
B
Retailer 15
-
£1,407 GBP
View
Most Expensive
C
NZ Jewellers
f7aa2e6d-1cea-4c09-9df3-e2c5fcf05154 · Oct 30
£2,292 GBP
$3,076 USD
View
15 more retailers have this diamond
Prices start from £674 GBPSave up to £1,618 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
0.90ct Marquise
£674 GBP