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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 €249 EUR
$279 USD
As of November 3, 2026
Save €325 EUR (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €574 EUR at MOH London · As of November 1, 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 November 1, 2026, with prices from €249 to €574, a €325 spread on the same certified stone. MOH London lists it at €574. 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: Nov 3
Current: €574 EUR|Low: €248 EUR|High: €1,125 EUR|Avg: €409 EUR|+4.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 10€249 EUR
Retailer 4€250 EUR
Retailer 12€267 EUR
Retailer 6€277 EUR
Retailer 7€333 EUR
Retailer 9€334 EUR
Retailer 5€340 EUR
Retailer 11€365 EUR
Retailer 8€400 EUR
Retailer 2€477 EUR
MOH London€574 EUR
Retailer 3€1,125 EUR

27 data points across 12 retailers

13 retailers€249 EUR to €574 EUR

Retailer 1
-
€238 EUR
$267 USD
Price last confirmed 49 days ago
A
Retailer 2
-
€249 EUR
$279 USD
View
B+
Retailer 3
-
€267 EUR
$300 USD
View
B+
Retailer 4
-
€277 EUR
$311 USD
View
Retailer 5
-
€321 EUR
$360 USD
View
Price last confirmed 57 days ago
B+
Retailer 6
-
€333 EUR
$374 USD
View
B+
Retailer 7
-
€334 EUR
$375 USD
View
B+
Retailer 8
-
€340 EUR
£301 GBP
View
B
Retailer 9
-
€365 EUR
$409 USD
View
B
Retailer 10
-
€400 EUR
$449 USD
View
B
Retailer 11
-
€477 EUR
View
Most Expensive
B
MOH London
A24B9DC22 · Nov 1
€574 EUR
£507 GBP
View
11 more retailers have this diamond
Prices start from €249 EURSave up to €325 EUR

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
€249 EUR