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Marquise|Natural|GIA

0.90ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 2567437005

Certificate GIA 2567437005

Diamond specifications and retailer prices

From $2,840 AUD
$1,990 USD
As of November 2, 2026
Save $4,510 AUD (61%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,350 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2567437005. Listed at 12 retailers as of November 2, 2026, with prices from $2,840 to $7,350, a $4,510 spread on the same certified stone. Moon Ocean lists it at $7,350. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 2567437005
Dimensions9.01 × 5.04 × 3.20 mm
L/W Ratio1.79
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Cavity
Top View
9.01 mm5.04 mm0.90 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 2567437005
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 63.5%

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 2
Current: $7,350 AUD|Low: $2,840 AUD|High: $7,601 AUD|Avg: $4,125 AUD|-3.1%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 3$2,840 AUD
Retailer 12$2,961 AUD
Retailer 7$3,076 AUD
Retailer 10$3,076 AUD
Retailer 11$3,219 AUD
Retailer 4$3,253 AUD
Retailer 2$3,348 AUD
Retailer 9$3,550 AUD
Retailer 6$4,538 AUD
Retailer 5$5,391 AUD
Retailer 8$6,432 AUD
Moon Ocean$7,350 AUD

20 data points across 12 retailers

12 retailers$2,840 AUD to $7,350 AUD

A
Cheapest Retailer
-
$2,840 AUD
$1,990 USD
Final sale: no returns
A
Retailer 2
-
$2,961 AUD
$2,075 USD
View
A
Retailer 3
-
$3,076 AUD
$2,156 USD
View
A
Retailer 4
-
$3,076 AUD
$2,156 USD
View
A
Retailer 5
-
$3,219 AUD
$2,256 USD
View
B+
Retailer 6
-
$3,253 AUD
$2,280 USD
View
A
Retailer 7
-
$3,348 AUD
£1,848 GBP
View
B+
Retailer 8
-
$3,550 AUD
$2,488 USD
View
B+
Retailer 9
-
$4,538 AUD
ZAR 51,382 ZAR
View
B
Retailer 10
-
$5,391 AUD
£2,975 GBP
View
B
Retailer 11
-
$6,432 AUD
$4,508 USD
View
Most Expensive
B
Moon Ocean
NVN-E8D38E710-005 · Nov 2
$7,350 AUD
£4,056 GBP
View
11 more retailers have this diamond
Prices start from $2,840 AUDSave up to $4,510 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
$2,840 AUD