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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 $6,401 SGD
₹476,837 INR
As of November 2, 2026
Save $5,130 SGD (44%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $11,531 SGD at MOH London · As of November 1, 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 1, 2026, with prices from $6,401 to $11,531, a $5,130 spread on the same certified stone. MOH London lists it at $11,531. 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 2
Current: $11,531 SGD|Low: $6,401 SGD|High: $11,592 SGD|Avg: $8,169 SGD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 2$6,401 SGD
Retailer 5$7,303 SGD
Retailer 4$7,595 SGD
Retailer 3$8,549 SGD
MOH London$11,531 SGD

7 data points across 5 retailers

5 retailers$6,401 SGD to $11,531 SGD

A
Cheapest Retailer
-
$6,401 SGD
₹476,837 INR
B+
Retailer 2
-
$7,303 SGD
$5,713 USD
View
B+
Retailer 3
-
$7,595 SGD
£4,678 GBP
View
B+
Retailer 4
-
$8,549 SGD
€6,369 EUR
View
Most Expensive
B
MOH London
FBEB55F2C · Nov 1
$11,531 SGD
£7,102 GBP
View
4 more retailers have this diamond
Prices start from $6,401 SGDSave up to $5,130 SGD

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
$6,401 SGD