Marquise|Natural|GIA

0.90ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 2567437005

Certificate GIA 2567437005

Diamond specifications and retailer prices

From $1,990 USD
As of October 31, 2026
Save $3,161 USD (61%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,151 USD at Moon Ocean · As of November 1, 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 October 31, 2026, with prices from $1,990 to $5,151, a $3,161 spread on the same certified stone. Moon Ocean lists it at $5,151. 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
Color
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: Oct 31
Current: $5,151 USD|Low: $1,990 USD|High: $5,327 USD|Avg: $2,892 USD|-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 1, 2026
Retailer 3$1,990 USD
Retailer 12$2,075 USD
Retailer 7$2,156 USD
Retailer 10$2,156 USD
Retailer 11$2,256 USD
Retailer 4$2,280 USD
Retailer 5$2,366 USD
Retailer 9$2,488 USD
Retailer 6$3,181 USD
Retailer 2$3,778 USD
Retailer 8$4,508 USD
Moon Ocean$5,151 USD

19 data points across 12 retailers

12 retailers$1,990 USD to $5,151 USD

A
Cheapest Retailer
-
$1,990 USD
Final sale: no returns
A
Retailer 2
-
$2,075 USD
View
A
Retailer 3
-
$2,156 USD
View
A
Retailer 4
-
$2,156 USD
View
A
Retailer 5
-
$2,256 USD
View
A
Retailer 6
-
$2,280 USD
View
B+
Retailer 7
-
$2,366 USD
£1,863 GBP
View
B+
Retailer 8
-
$2,488 USD
View
B+
Retailer 9
-
$3,181 USD
ZAR 51,382 ZAR
View
B
Retailer 10
-
$3,778 USD
£2,975 GBP
View
B
Retailer 11
-
$4,508 USD
View
Most Expensive
B
Moon Ocean
NVN-E8D38E710-005 · Nov 1
$5,151 USD
£4,056 GBP
View
11 more retailers have this diamond
Prices start from $1,990 USDSave up to $3,161 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
$1,990 USD