Marquise|Natural|IGI

0.37ct I SI1 Marquise Natural Diamond

VG • I/SI1 • IGI 782673605

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 782673605

Diamond specifications and retailer prices

From $286 USD
As of October 29, 2026
Save $377 USD (57%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $663 USD at MOH London · As of October 26, 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 782673605. Listed at 8 retailers as of October 26, 2026, with prices from $286 to $663, a $377 spread on the same certified stone. MOH London lists it at $663. 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
SymmetryGood
FluorescenceNone
Crown angle31.8°
Pavilion angle41.8°
OriginNatural
Grading LabIGI
CertificateIGI 782673605
Dimensions7.23 × 3.73 × 2.36 mm
L/W Ratio1.94
Culet sizePointed
Top View
7.23 mm3.73 mm0.37 ctI / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI 782673605
Side View
Table 59.0%Crown 31.8°Girdle: THN-THKPavilion 41.8°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $663 USD|Low: $285 USD|High: $669 USD|Avg: $453 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 8$285 USD
Retailer 7$358 USD
Retailer 4$402 USD
Retailer 6$416 USD
Retailer 5$427 USD
Retailer 2$499 USD
Retailer 3$581 USD
MOH London$663 USD

39 data points across 8 retailers

8 retailers$286 USD to $663 USD

Retailer 1
-
$286 USD
Price last confirmed 25 days ago
B+
Retailer 2
-
$286 USD
View
Retailer 3
-
$319 USD
View
Price last confirmed 32 days ago
B
Retailer 4
-
$402 USD
View
B
Retailer 5
-
$499 USD
€475 EUR
View
B
Retailer 6
-
$581 USD
£458 GBP
View
Most Expensive
C
MOH London
5BE0BDB6F · Oct 26
$663 USD
£522 GBP
View
6 more retailers have this diamond
Prices start from $286 USDSave up to $377 USD

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.

B+
0.37ct Marquise
$286 USD