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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 $1,994 USD
As of October 28, 2026
Save $3,633 USD (65%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,627 USD at Moon Ocean · As of October 29, 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 28, 2026, with prices from $1,994 to $5,627, a $3,633 spread on the same certified stone. Moon Ocean lists it at $5,627. 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 28
Current: $5,627 USD|Low: $1,994 USD|High: $6,046 USD|Avg: $2,994 USD|-6.9%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 11$1,994 USD
Retailer 4$2,162 USD
Retailer 8$2,162 USD
Retailer 9$2,262 USD
Retailer 2$2,372 USD
Retailer 3$2,430 USD
Retailer 7$2,494 USD
Retailer 5$2,695 USD
Retailer 10$3,792 USD
Retailer 6$4,520 USD
Moon Ocean$5,627 USD

15 data points across 11 retailers

11 retailers$1,994 USD to $5,627 USD

A
Cheapest Retailer
-
$1,994 USD
Final sale: no returns
A
Retailer 2
-
$2,162 USD
View
A
Retailer 3
-
$2,162 USD
View
A
Retailer 4
-
$2,262 USD
View
A
Retailer 5
-
$2,372 USD
£1,868 GBP
View
B+
Retailer 6
-
$2,430 USD
View
B+
Retailer 7
-
$2,494 USD
View
B+
Retailer 8
-
$2,695 USD
€2,567 EUR
View
B
Retailer 9
-
$3,792 USD
£2,986 GBP
View
B
Retailer 10
-
$4,520 USD
View
Most Expensive
B
Moon Ocean
NVN-07388A7A3-107 · Oct 29
$5,627 USD
£4,431 GBP
View
10 more retailers have this diamond
Prices start from $1,994 USDSave up to $3,633 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.

A
0.90ct Marquise
$1,994 USD