Marquise|Natural|IGI

0.30ct G SI2 Marquise Natural Diamond

VG • G/SI2 • IGI 790682826

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 790682826

Diamond specifications and retailer prices

From $390 CAD
$279 USD
As of October 29, 2026
Save $513 CAD (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $903 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 0.3ct natural marquise diamond

This 0.3ct natural marquise sits in the sub-half-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 790682826. Listed at 13 retailers as of October 29, 2026, with prices from $390 to $903, a $513 spread on the same certified stone. MOH London lists it at $903. 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

0.30
Carat
G
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.1°
Pavilion angle36.6°
OriginNatural
Grading LabIGI
CertificateIGI 790682826
Dimensions6.44 × 3.42 × 2.12 mm
L/W Ratio1.88
Girdle conditionFaceted
Top View
6.44 mm3.42 mm0.30 ctG / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 790682826
Side View
Table 64.0%Crown 43.1°Girdle: STK-VTKPavilion 36.6°Culet: NoneDepth 62.0%

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: $903 CAD|Low: $388 CAD|High: $1,763 CAD|Avg: $636 CAD|+4.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 10$390 CAD
Retailer 4$392 CAD
Retailer 12$419 CAD
Retailer 6$434 CAD
Retailer 7$522 CAD
Retailer 9$524 CAD
Retailer 5$533 CAD
Retailer 11$571 CAD
Retailer 8$627 CAD
Retailer 2$747 CAD
MOH London$903 CAD
Retailer 3$1,763 CAD

28 data points across 12 retailers

13 retailers$390 CAD to $903 CAD

Retailer 1
-
$373 CAD
$267 USD
Price last confirmed 47 days ago
A
Retailer 2
-
$390 CAD
$279 USD
View
B+
Retailer 3
-
$419 CAD
$300 USD
View
B+
Retailer 4
-
$434 CAD
$311 USD
View
Retailer 5
-
$503 CAD
$360 USD
View
Price last confirmed 55 days ago
B+
Retailer 6
-
$522 CAD
$374 USD
View
B+
Retailer 7
-
$524 CAD
$375 USD
View
B+
Retailer 8
-
$533 CAD
£301 GBP
View
B
Retailer 9
-
$571 CAD
$409 USD
View
B
Retailer 10
-
$627 CAD
$449 USD
View
B
Retailer 11
-
$747 CAD
€509 EUR
View
Most Expensive
B
MOH London
A24B9DC22 · Oct 29
$903 CAD
£509 GBP
View
11 more retailers have this diamond
Prices start from $390 CADSave up to $513 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
0.30ct Marquise
$390 CAD