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Cushion|Natural|GIA

0.90ct E SI2 Cushion Natural Diamond

EX • E/SI2 • GIA 1186398044

Certificate GIA 1186398044

Diamond specifications and retailer prices

From $1,150 AUD
As of November 1, 2026
Save $1,462 AUD (56%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,612 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 0.9ct natural cushion diamond

This 0.9ct natural cushion 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 1186398044. Listed at 14 retailers as of November 1, 2026, with prices from $1,150 to $2,612, a $1,462 spread on the same certified stone. MOH London lists it at $2,612. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1186398044
Dimensions5.74 × 5.35 × 3.62 mm
L/W Ratio1.07
Top View
5.74 mm5.35 mm0.90 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1186398044
Side View
Table 65.0%CrownGirdle: Very ThickPavilionCulet: NDepth 67.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $2,612 AUD|Low: $1,089 AUD|High: $3,742 AUD|Avg: $1,829 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 7$1,150 AUD
Retailer 9$1,193 AUD
Retailer 12$1,282 AUD
Retailer 8$1,294 AUD
Retailer 4$1,308 AUD
Retailer 11$1,319 AUD
Retailer 13$1,441 AUD
Retailer 6$1,646 AUD
Retailer 5$1,722 AUD
Retailer 2$1,997 AUD
Retailer 3$2,492 AUD
MOH London$2,612 AUD
Retailer 10$3,740 AUD

45 data points across 13 retailers

14 retailers$1,150 AUD to $2,612 AUD

A
Cheapest Retailer
-
$1,150 AUD
A
Retailer 2
-
$1,193 AUD
View
Final sale: no returns
A
Retailer 3
-
$1,196 AUD
View
A
Retailer 4
-
$1,282 AUD
View
Retailer 5
-
$1,294 AUD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$1,308 AUD
View
A
Retailer 7
-
$1,319 AUD
View
A
Retailer 8
-
$1,384 AUD
View
A
Retailer 9
-
$1,441 AUD
View
A
Retailer 10
-
$1,646 AUD
View
A
Retailer 11
-
$1,730 AUD
View
A
Retailer 12
-
$1,997 AUD
View
B+
Retailer 13
-
$2,492 AUD
View
Most Expensive
B+
MOH London
5D1026C0B · Nov 4
$2,612 AUD
£1,413 GBP
View
13 more retailers have this diamond
Prices start from $1,150 AUDSave up to $1,462 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 Cushion
$1,150 AUD