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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 $2,544 SGD
$1,990 USD
As of November 2, 2026
Save $4,041 SGD (61%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,585 SGD 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 $2,544 to $6,585, a $4,041 spread on the same certified stone. Moon Ocean lists it at $6,585. 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: $6,585 SGD|Low: $2,544 SGD|High: $6,810 SGD|Avg: $3,695 SGD|-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$2,544 SGD
Retailer 12$2,653 SGD
Retailer 7$2,756 SGD
Retailer 10$2,756 SGD
Retailer 11$2,884 SGD
Retailer 4$2,915 SGD
Retailer 2$3,000 SGD
Retailer 9$3,181 SGD
Retailer 6$4,066 SGD
Retailer 5$4,830 SGD
Retailer 8$5,763 SGD
Moon Ocean$6,585 SGD

20 data points across 12 retailers

12 retailers$2,544 SGD to $6,585 SGD

A
Cheapest Retailer
-
$2,544 SGD
$1,990 USD
Final sale: no returns
A
Retailer 2
-
$2,653 SGD
$2,075 USD
View
A
Retailer 3
-
$2,756 SGD
$2,156 USD
View
A
Retailer 4
-
$2,756 SGD
$2,156 USD
View
A
Retailer 5
-
$2,884 SGD
$2,256 USD
View
B+
Retailer 6
-
$2,915 SGD
$2,280 USD
View
A
Retailer 7
-
$3,000 SGD
£1,848 GBP
View
B+
Retailer 8
-
$3,181 SGD
$2,488 USD
View
B+
Retailer 9
-
$4,066 SGD
ZAR 51,382 ZAR
View
B
Retailer 10
-
$4,830 SGD
£2,975 GBP
View
B
Retailer 11
-
$5,763 SGD
$4,508 USD
View
Most Expensive
B
Moon Ocean
NVN-E8D38E710-005 · Nov 2
$6,585 SGD
£4,056 GBP
View
11 more retailers have this diamond
Prices start from $2,544 SGDSave up to $4,041 SGD

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
$2,544 SGD