Marquise|Natural|GIA

0.90ct E SI2 Marquise Natural Diamond

ID • E/SI2 • GIA 2564193120

Certificate GIA 2564193120

Diamond specifications and retailer prices

From $4,328 AUD
$3,040 USD
As of October 26, 2026
17 retailers carry this diamond
Most expensive: $7,397 AUD at NZ Jewellers · As of October 21, 2026
View at NZ Jewellers

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 2564193120. Listed at 17 retailers as of October 26, 2026. 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
SymmetryVery Good
FluorescenceNone
Crown angle39.3°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2564193120
Dimensions9.80 × 4.97 × 3.24 mm
L/W Ratio1.97
Girdle conditionFaceted
Culet sizeNone
Top View
9.80 mm4.97 mm0.90 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2564193120
Side View
Table 63.0%Crown 39.3°Girdle: MED-THKPavilion 41.4°Culet: NoneDepth 65.1%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 26
Current: $7,397 AUD|Low: $2,587 AUD|High: $7,511 AUD|Avg: $3,897 AUD|-1.5%
NZ Jewellers
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
Retailer 17
Retailer 18
Retailer 19
October 23, 2026
Retailer 7$2,606 AUD
Retailer 13$2,676 AUD
Retailer 16$3,047 AUD
Retailer 14$3,176 AUD
Retailer 12$3,264 AUD
Retailer 19$3,337 AUD
Retailer 8$3,382 AUD
Retailer 4$3,538 AUD
Retailer 5$3,538 AUD
Retailer 10$3,573 AUD
Retailer 11$3,661 AUD
Retailer 2$3,671 AUD
Retailer 3$3,701 AUD
Retailer 9$3,834 AUD
Retailer 6$4,083 AUD
Retailer 15$4,328 AUD
Retailer 17$4,384 AUD
Retailer 18$6,232 AUD
NZ Jewellers$7,397 AUD

27 data points across 19 retailers

17 retailers

Retailer 1
-
$2,606 AUD
HK$14,300 HKD
Price last confirmed 7 days ago
Retailer 2
-
$2,676 AUD
₹179,013 INR
View
Price last confirmed 8 days ago
Retailer 3
-
$3,047 AUD
$2,140 USD
View
Price last confirmed 9 days ago
Retailer 4
-
$3,176 AUD
$2,231 USD
View
Price last confirmed 8 days ago
Retailer 5
-
$3,337 AUD
$2,344 USD
View
Price last confirmed 7 days ago
Retailer 6
-
$3,382 AUD
$2,376 USD
View
Price last confirmed 7 days ago
Retailer 7
-
$3,538 AUD
$2,485 USD
View
Price last confirmed 8 days ago
Retailer 8
-
$3,538 AUD
$2,485 USD
View
Price last confirmed 15 days ago
Retailer 9
-
$3,573 AUD
$2,510 USD
View
Price last confirmed 7 days ago
Retailer 10
-
$3,661 AUD
SGD 3,475 SGD
View
Price last confirmed 8 days ago
Retailer 11
-
$3,671 AUD
£2,030 GBP
View
Price last confirmed 8 days ago
Retailer 12
-
$3,701 AUD
$2,600 USD
View
Price last confirmed 8 days ago
Retailer 13
-
$3,834 AUD
$2,693 USD
View
Price last confirmed 9 days ago
Retailer 14
-
$4,083 AUD
$2,868 USD
View
Price last confirmed 10 days ago
B+
Retailer 15
-
$4,328 AUD
$3,040 USD
View
Retailer 16
-
$6,232 AUD
£3,447 GBP
View
Price last confirmed 10 days ago
Most Expensive
NZ Jewellers
5253badb-96ad-4d28-b259-f424ddcb88e5 · Oct 21
$7,397 AUD
$5,196 USD
View
Price last confirmed 10 days ago
16 more retailers have this diamond
Prices start from $4,328 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.

B+
0.90ct Marquise
$4,328 AUD