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Marquise|Natural|GIA

0.90ct E SI2 Marquise Natural Diamond

ID • E/SI2 • GIA 1559966284

Certificate GIA 1559966284

Diamond specifications and retailer prices

From $1,690 USD
HK$13,200 HKD
As of October 29, 2026
Save $4,203 USD (71%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,893 USD at Moon Ocean · As of October 29, 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 1559966284. Listed at 18 retailers as of October 29, 2026, with prices from $1,690 to $5,893, a $4,203 spread on the same certified stone. Moon Ocean lists it at $5,893. 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
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1559966284
Dimensions9.88 × 4.96 × 3.00 mm
L/W Ratio1.99
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp
Top View
9.88 mm4.96 mm0.90 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1559966284
Side View
Table 58.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 60.4%

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 29
Current: $5,893 USD|Low: $1,690 USD|High: $6,176 USD|Avg: $2,891 USD|-4.5%
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
October 29, 2026
Retailer 15$1,690 USD
Retailer 9$1,780 USD
Retailer 13$2,053 USD
Retailer 3$2,089 USD
Retailer 6$2,200 USD
Retailer 4$2,264 USD
Retailer 14$2,264 USD
Retailer 5$2,364 USD
Retailer 16$2,403 USD
Retailer 2$2,477 USD
Retailer 8$2,612 USD
Retailer 11$2,822 USD
Retailer 10$3,988 USD
Retailer 12$4,058 USD
Retailer 7$4,733 USD
Moon Ocean$5,893 USD

25 data points across 16 retailers

18 retailers$1,690 USD to $5,893 USD

A
Cheapest Retailer
-
$1,690 USD
HK$13,200 HKD
A
Retailer 2
-
$1,780 USD
₹169,500 INR
View
A
Retailer 3
-
$2,053 USD
SGD 2,774 SGD
View
A
Retailer 4
-
$2,089 USD
View
Final sale: no returns
A
Retailer 5
-
$2,200 USD
View
A
Retailer 6
-
$2,210 USD
View
A
Retailer 7
-
$2,264 USD
View
Price last confirmed 11 days ago
A
Retailer 8
-
$2,264 USD
View
Price last confirmed 13 days ago
B+
Retailer 9
-
$2,364 USD
SGD 3,194 SGD
View
B+
Retailer 10
-
$2,403 USD
View
B+
Retailer 11
-
$2,465 USD
View
Price last confirmed 28 days ago
B+
Retailer 12
-
$2,477 USD
£1,950 GBP
View
B+
Retailer 13
-
$2,612 USD
View
Price last confirmed 10 days ago
B+
Retailer 14
-
$2,822 USD
€2,688 EUR
View
B
Retailer 15
-
$3,988 USD
£3,140 GBP
View
B
Retailer 16
-
$4,058 USD
£3,195 GBP
View
B
Retailer 17
-
$4,733 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Moon Ocean
NVN-79F9C0DC4-284 · Oct 29
$5,893 USD
£4,640 GBP
View
17 more retailers have this diamond
Prices start from $1,690 USDSave up to $4,203 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
$1,690 USD