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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 $508 NZD
₹27,246 INR
As of November 2, 2026
Save $1,101 NZD (68%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,609 NZD 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 $508 to $1,609, a $1,101 spread on the same certified stone. MOH London lists it at $1,609. 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 2
Current: $1,609 NZD|Low: $508 NZD|High: $2,670 NZD|Avg: $1,095 NZD|-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 2$508 NZD
Retailer 13$697 NZD
Retailer 11$750 NZD
Retailer 12$750 NZD
Retailer 9$800 NZD
Retailer 14$803 NZD
Retailer 5$929 NZD
Retailer 8$943 NZD
Retailer 4$994 NZD
Retailer 10$1,080 NZD
Retailer 7$1,153 NZD
Retailer 6$1,427 NZD
MOH London$1,609 NZD
Retailer 3$2,670 NZD

35 data points across 14 retailers

13 retailers$508 NZD to $1,609 NZD

A
Cheapest Retailer
-
$508 NZD
₹27,246 INR
B+
Retailer 2
-
$697 NZD
$392 USD
View
B+
Retailer 3
-
$750 NZD
$422 USD
View
B+
Retailer 4
-
$750 NZD
$422 USD
View
B
Retailer 5
-
$800 NZD
$450 USD
View
B
Retailer 6
-
$803 NZD
$452 USD
View
B
Retailer 7
-
$929 NZD
$523 USD
View
B
Retailer 8
-
$943 NZD
£418 GBP
View
B
Retailer 9
-
$994 NZD
$559 USD
View
B
Retailer 10
-
$1,080 NZD
ZAR 9,816 ZAR
View
B
Retailer 11
-
$1,153 NZD
€618 EUR
View
Most Expensive
C
MOH London
DE12E4703 · Nov 1
$1,609 NZD
£713 GBP
View
11 more retailers have this diamond
Prices start from $508 NZDSave up to $1,101 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
0.40ct Marquise
$508 NZD