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Marquise|Natural|IGI

0.40ct I SI1 Marquise Natural Diamond

VG • I/SI1 • IGI 815673826

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 815673826

Diamond specifications and retailer prices

From $366 SGD
₹27,254 INR
As of November 1, 2026
Save $792 SGD (68%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,158 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 0.4ct natural marquise diamond

This 0.4ct natural marquise sits in the sub-half-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 815673826. Listed at 13 retailers as of November 1, 2026, with prices from $366 to $1,158, a $792 spread on the same certified stone. MOH London lists it at $1,158. 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

0.40
Carat
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle33.6°
Pavilion angle39.1°
OriginNatural
Grading LabIGI
CertificateIGI 815673826
Dimensions7.38 × 4.08 × 2.30 mm
L/W Ratio1.81
Girdle conditionFaceted
Top View
7.38 mm4.08 mm0.40 ctI / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI 815673826
Side View
Table 65.0%Crown 33.6°Girdle: MED-THKPavilion 39.1°Culet: NoneDepth 56.4%

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: Nov 1
Current: $1,158 SGD|Low: $366 SGD|High: $1,920 SGD|Avg: $787 SGD|-4.6%
MOH London
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
November 2, 2026
Retailer 8$366 SGD
Retailer 13$501 SGD
Retailer 11$539 SGD
Retailer 12$539 SGD
Retailer 9$575 SGD
Retailer 14$578 SGD
Retailer 5$668 SGD
Retailer 7$678 SGD
Retailer 4$715 SGD
Retailer 10$777 SGD
Retailer 2$830 SGD
Retailer 6$1,026 SGD
MOH London$1,158 SGD
Retailer 3$1,920 SGD

35 data points across 14 retailers

13 retailers$366 SGD to $1,158 SGD

A
Cheapest Retailer
-
$366 SGD
₹27,254 INR
B+
Retailer 2
-
$501 SGD
$392 USD
View
B+
Retailer 3
-
$539 SGD
$422 USD
View
B+
Retailer 4
-
$539 SGD
$422 USD
View
B
Retailer 5
-
$575 SGD
$450 USD
View
B
Retailer 6
-
$578 SGD
$452 USD
View
B
Retailer 7
-
$668 SGD
$523 USD
View
B
Retailer 8
-
$678 SGD
£418 GBP
View
B
Retailer 9
-
$715 SGD
$559 USD
View
B
Retailer 10
-
$777 SGD
ZAR 9,816 ZAR
View
B
Retailer 11
-
$830 SGD
€618 EUR
View
Most Expensive
C
MOH London
DE12E4703 · Nov 1
$1,158 SGD
£713 GBP
View
11 more retailers have this diamond
Prices start from $366 SGDSave up to $792 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
0.40ct Marquise
$366 SGD