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Marquise|Natural|GIA

0.90ct I SI2 Marquise Natural Diamond

I/SI2 • GIA 6565593706

Certificate GIA 6565593706

Diamond specifications and retailer prices

From $1,789 AUD
$1,254 USD
As of November 2, 2026
Save $3,227 AUD (64%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $5,017 AUD at Moon Ocean · As of November 2, 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 I colour (near-colourless) and SI2 clarity (slightly-included) and certified by GIA 6565593706. Listed at 5 retailers as of November 2, 2026, with prices from $1,789 to $5,017, a $3,227 spread on the same certified stone. Moon Ocean lists it at $5,017. 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

0.90
Carat
I
Colour
SI2
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryGood
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 6565593706
Dimensions9.32 × 4.96 × 3.15 mm
L/W Ratio1.88
Key to symbols
Twinning Wisp, Crystal, Feather
Top View
9.32 mm4.96 mm0.90 ctI / SI2
OriginNatural
PolishVery Good
SymmetryGood
FluorescenceStrong
CertificateGIA 6565593706
Side View
Table 59.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 63.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $5,017 AUD|Low: $1,789 AUD|High: $5,065 AUD|Avg: $3,548 AUD|-0.9%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 5$1,789 AUD
Retailer 2$2,703 AUD
Retailer 3$3,570 AUD
Retailer 4$4,729 AUD
Moon Ocean$5,017 AUD

17 data points across 5 retailers

5 retailers$1,789 AUD to $5,017 AUD

B+
Cheapest Retailer
-
$1,789 AUD
$1,254 USD
Final sale: no returns
B
Retailer 2
-
$2,703 AUD
€1,804 EUR
View
B
Retailer 3
-
$3,570 AUD
£1,970 GBP
View
C
Retailer 4
-
$4,729 AUD
$3,314 USD
View
Most Expensive
C
Moon Ocean
NVN-A4A15A7A7-706 · Nov 2
$5,017 AUD
£2,768 GBP
View
4 more retailers have this diamond
Prices start from $1,789 AUDSave up to $3,227 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.

B+
0.90ct Marquise
$1,789 AUD