CaratHunter
Plans
Marquise|Natural|GIA

0.90ct E SI2 Marquise Natural Diamond

ID • E/SI2 • GIA 1559966284

Certificate GIA 1559966284

Diamond specifications and retailer prices

From $2,405 AUD
HK$13,200 HKD
As of October 30, 2026
Save $5,960 AUD (71%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,366 AUD at Moon Ocean · As of October 30, 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 30, 2026, with prices from $2,405 to $8,366, a $5,960 spread on the same certified stone. Moon Ocean lists it at $8,366. 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
Colour
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 30
Current: $8,366 AUD|Low: $2,405 AUD|High: $8,792 AUD|Avg: $4,104 AUD|-4.8%
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 30, 2026
Retailer 15$2,405 AUD
Retailer 2$2,532 AUD
Retailer 13$2,922 AUD
Retailer 3$2,974 AUD
Retailer 6$3,132 AUD
Retailer 4$3,223 AUD
Retailer 14$3,223 AUD
Retailer 5$3,365 AUD
Retailer 16$3,421 AUD
Retailer 9$3,537 AUD
Retailer 8$3,718 AUD
Retailer 11$4,018 AUD
Retailer 10$5,677 AUD
Retailer 12$5,776 AUD
Retailer 7$6,738 AUD
Moon Ocean$8,366 AUD

25 data points across 16 retailers

18 retailers$2,405 AUD to $8,366 AUD

A
Cheapest Retailer
-
$2,405 AUD
HK$13,200 HKD
A
Retailer 2
-
$2,532 AUD
₹169,371 INR
View
A
Retailer 3
-
$2,922 AUD
SGD 2,774 SGD
View
A
Retailer 4
-
$2,974 AUD
$2,089 USD
View
Final sale: no returns
A
Retailer 5
-
$3,132 AUD
$2,200 USD
View
A
Retailer 6
-
$3,146 AUD
$2,210 USD
View
Retailer 7
-
$3,223 AUD
$2,264 USD
View
Price last confirmed 12 days ago
Retailer 8
-
$3,223 AUD
$2,264 USD
View
Price last confirmed 15 days ago
B+
Retailer 9
-
$3,365 AUD
SGD 3,194 SGD
View
B+
Retailer 10
-
$3,421 AUD
$2,403 USD
View
Retailer 11
-
$3,509 AUD
$2,465 USD
View
Price last confirmed 30 days ago
B+
Retailer 12
-
$3,537 AUD
£1,956 GBP
View
Retailer 13
-
$3,718 AUD
$2,612 USD
View
Price last confirmed 12 days ago
B+
Retailer 14
-
$4,018 AUD
€2,688 EUR
View
B
Retailer 15
-
$5,677 AUD
£3,140 GBP
View
B
Retailer 16
-
$5,776 AUD
£3,195 GBP
View
Retailer 17
-
$6,738 AUD
$4,733 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Moon Ocean
NVN-79F9C0DC4-284 · Oct 30
$8,366 AUD
£4,627 GBP
View
17 more retailers have this diamond
Prices start from $2,405 AUDSave up to $5,960 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
$2,405 AUD