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Marquise|Natural|IGI

0.37ct I SI1 Marquise Natural Diamond

VG • I/SI1 • IGI 839657916

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 839657916

Diamond specifications and retailer prices

From $416 CAD
$298 USD
As of October 29, 2026
Save $549 CAD (57%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $965 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 0.37ct natural marquise diamond

This 0.37ct 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 839657916. Listed at 8 retailers as of October 29, 2026, with prices from $416 to $965, a $549 spread on the same certified stone. MOH London lists it at $965. 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

0.37
Carat
I
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle31.6°
Pavilion angle39.2°
OriginNatural
Grading LabIGI
CertificateIGI 839657916
Dimensions7.87 × 3.62 × 2.27 mm
L/W Ratio2.17
Girdle conditionFaceted
Top View
7.87 mm3.62 mm0.37 ctI / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 839657916
Side View
Table 52.0%Crown 31.6°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 62.7%

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 29
Current: $965 CAD|Low: $416 CAD|High: $1,883 CAD|Avg: $820 CAD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 4$416 CAD
Retailer 8$464 CAD
Retailer 5$585 CAD
Retailer 7$630 CAD
Retailer 2$719 CAD
Retailer 3$844 CAD
MOH London$965 CAD
Retailer 6$1,883 CAD

13 data points across 8 retailers

8 retailers$416 CAD to $965 CAD

A
Cheapest Retailer
-
$416 CAD
$298 USD
B+
Retailer 2
-
$464 CAD
$332 USD
View
B
Retailer 3
-
$585 CAD
$419 USD
View
B
Retailer 4
-
$630 CAD
$451 USD
View
B
Retailer 5
-
$719 CAD
€490 EUR
View
B
Retailer 6
-
$844 CAD
£476 GBP
View
Most Expensive
C
MOH London
D378812C3 · Oct 29
$965 CAD
£544 GBP
View
6 more retailers have this diamond
Prices start from $416 CADSave up to $549 CAD

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
0.37ct Marquise
$416 CAD