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Marquise|Natural|GIA

0.90ct E SI2 Marquise Natural Diamond

ID • E/SI2 • GIA 6243100107

Certificate GIA 6243100107

Diamond specifications and retailer prices

From €1,785 EUR
$1,994 USD
As of October 31, 2026
Save €3,223 EUR (64%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €5,008 EUR at Moon Ocean · As of November 1, 2026
View at Moon Ocean

About this 0.9ct natural marquise diamond

This 0.9ct natural marquise sits in the just-under-one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6243100107. Listed at 11 retailers as of October 31, 2026, with prices from €1,785 to €5,008, a €3,223 spread on the same certified stone. Moon Ocean lists it at €5,008. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.90
Carat
E
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6243100107
Dimensions9.09 × 5.07 × 3.20 mm
L/W Ratio1.79
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather
Top View
9.09 mm5.07 mm0.90 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6243100107
Side View
Table 63.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 63.2%

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 31
Current: €5,008 EUR|Low: €1,785 EUR|High: €5,411 EUR|Avg: €2,676 EUR|-7.5%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 11€1,785 EUR
Retailer 6€1,935 EUR
Retailer 9€1,935 EUR
Retailer 10€2,025 EUR
Retailer 4€2,123 EUR
Retailer 3€2,175 EUR
Retailer 8€2,232 EUR
Retailer 5€2,415 EUR
Retailer 2€3,390 EUR
Retailer 7€4,046 EUR
Moon Ocean€5,008 EUR

17 data points across 11 retailers

11 retailers€1,785 EUR to €5,008 EUR

A
Cheapest Retailer
-
€1,785 EUR
$1,994 USD
Final sale: no returns
A
Retailer 2
-
€1,935 EUR
$2,162 USD
View
A
Retailer 3
-
€1,935 EUR
$2,162 USD
View
A
Retailer 4
-
€2,025 EUR
$2,262 USD
View
A
Retailer 5
-
€2,123 EUR
£1,868 GBP
View
B+
Retailer 6
-
€2,175 EUR
$2,430 USD
View
B+
Retailer 7
-
€2,232 EUR
$2,494 USD
View
B+
Retailer 8
-
€2,415 EUR
View
B
Retailer 9
-
€3,390 EUR
£2,982 GBP
View
B
Retailer 10
-
€4,046 EUR
$4,520 USD
View
Most Expensive
B
Moon Ocean
NVN-07388A7A3-107 · Nov 1
€5,008 EUR
£4,405 GBP
View
10 more retailers have this diamond
Prices start from €1,785 EURSave up to €3,223 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
0.90ct Marquise
€1,785 EUR