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Marquise|Natural|IGI

1.50ct I SI1 Marquise Natural Diamond

VG • I/SI1 • IGI 848662938

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 848662938

Diamond specifications and retailer prices

From $8,956 NZD
As of November 6, 2026
Save $7,314 NZD (45%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $16,270 NZD at MOH London · As of November 6, 2026
View at MOH London

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 848662938. Listed at 5 retailers as of November 6, 2026, with prices from $8,956 to $16,270, a $7,314 spread on the same certified stone. MOH London lists it at $16,270. 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
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.4°
Pavilion angle39.1°
OriginNatural
Grading LabIGI
CertificateIGI 848662938
Dimensions11.26 × 6.07 × 3.71 mm
L/W Ratio1.86
Girdle conditionFaceted
Top View
11.26 mm6.07 mm1.50 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 848662938
Side View
Table 57.0%Crown 31.4°Girdle: STK-THKPavilion 39.1°Culet: NoneDepth 61.1%

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: $16,270 NZD|Low: $8,956 NZD|High: $16,357 NZD|Avg: $11,588 NZD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 2$8,956 NZD
Retailer 5$10,306 NZD
Retailer 3$10,701 NZD
Retailer 4$12,063 NZD
MOH London$16,270 NZD

11 data points across 5 retailers

5 retailers$8,956 NZD to $16,270 NZD

A
Cheapest Retailer
-
$8,956 NZD
B+
Retailer 2
-
$10,306 NZD
View
B+
Retailer 3
-
$10,701 NZD
View
B+
Retailer 4
-
$12,063 NZD
View
Most Expensive
B
MOH London
FBEB55F2C · Nov 2
$16,270 NZD
£7,102 GBP
View
4 more retailers have this diamond
Prices start from $8,956 NZDSave up to $7,314 NZD

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
$8,956 NZD