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Marquise|Natural|GIA

0.90ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 6541939202

Certificate GIA 6541939202

Diamond specifications and retailer prices

From $3,387 AUD
$2,379 USD
As of October 30, 2026
Save $6,432 AUD (66%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $9,819 AUD at Moon Ocean · As of October 30, 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 6541939202. Listed at 10 retailers as of October 30, 2026, with prices from $3,387 to $9,819, a $6,432 spread on the same certified stone. Moon Ocean lists it at $9,819. 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
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Pavilion angle39.3°
OriginNatural
Grading LabGIA
CertificateGIA 6541939202
Dimensions9.55 × 4.97 × 3.18 mm
L/W Ratio1.92
Top View
9.55 mm4.97 mm0.90 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6541939202
Side View
Table 56.0%CrownGirdle: STK-THKPavilion 39.3°Culet: NoneDepth 64.0%

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 30
Current: $9,819 AUD|Low: $2,496 AUD|High: $9,918 AUD|Avg: $4,230 AUD|-0.9%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 31, 2026
Retailer 11$2,496 AUD
Retailer 6$2,570 AUD
Retailer 9$2,994 AUD
Retailer 12$3,343 AUD
Retailer 7$3,360 AUD
Retailer 10$3,383 AUD
Retailer 19$3,387 AUD
Retailer 15$3,491 AUD
Retailer 3$3,493 AUD
Retailer 5$3,496 AUD
Retailer 14$3,543 AUD
Retailer 18$3,783 AUD
Retailer 21$3,783 AUD
Retailer 16$3,928 AUD
Retailer 20$4,365 AUD
Retailer 2$4,725 AUD
Retailer 4$4,844 AUD
Retailer 8$4,874 AUD
Retailer 13$6,662 AUD
Retailer 17$7,908 AUD
Moon Ocean$9,819 AUD

37 data points across 21 retailers

10 retailers$3,387 AUD to $9,819 AUD

A
Cheapest Retailer
-
$3,387 AUD
$2,379 USD
B+
Retailer 2
-
$3,491 AUD
$2,452 USD
View
Final sale: no returns
B+
Retailer 3
-
$3,493 AUD
$2,454 USD
View
B+
Retailer 4
-
$3,783 AUD
$2,657 USD
View
B+
Retailer 5
-
$3,928 AUD
$2,759 USD
View
B
Retailer 6
-
$4,365 AUD
$3,066 USD
View
B+
Retailer 7
-
$4,725 AUD
€3,161 EUR
View
B
Retailer 8
-
$6,662 AUD
£3,685 GBP
View
B
Retailer 9
-
$7,908 AUD
$5,555 USD
View
Most Expensive
B
Moon Ocean
NVN-482B168A0-202 · Oct 30
$9,819 AUD
£5,431 GBP
View
9 more retailers have this diamond
Prices start from $3,387 AUDSave up to $6,432 AUD

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
$3,387 AUD