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Cushion|Natural|GIA

0.90ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 2546879386

Certificate GIA 2546879386

Diamond specifications and retailer prices

From $984 AUD
HK$5,400 HKD
As of November 1, 2026
Save $1,319 AUD (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,303 AUD at MOH London · As of November 1, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2546879386. Listed at 15 retailers as of November 1, 2026, with prices from $984 to $2,303, a $1,319 spread on the same certified stone. MOH London lists it at $2,303. 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
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Pavilion angle37.5°
OriginNatural
Grading LabGIA
CertificateGIA 2546879386
Dimensions5.52 × 5.50 × 3.68 mm
L/W Ratio1.00
Top View
5.52 mm5.50 mm0.90 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2546879386
Side View
Table 64.0%CrownGirdle: STK-ETKPavilion 37.5°Culet: NoneDepth 66.9%

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: Nov 1
Current: $2,303 AUD|Low: $984 AUD|High: $2,410 AUD|Avg: $1,610 AUD|-4.4%
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
Retailer 14
November 1, 2026
Retailer 7$984 AUD
Retailer 11$1,160 AUD
Retailer 10$1,324 AUD
Retailer 14$1,352 AUD
Retailer 2$1,358 AUD
Retailer 5$1,391 AUD
Retailer 9$1,469 AUD
Retailer 8$1,613 AUD
Retailer 4$1,646 AUD
Retailer 12$1,801 AUD
Retailer 13$1,873 AUD
Retailer 6$1,955 AUD
Retailer 3$2,077 AUD
MOH London$2,303 AUD

32 data points across 14 retailers

15 retailers$984 AUD to $2,303 AUD

A
Cheapest Retailer
-
$984 AUD
HK$5,400 HKD
A
Retailer 2
-
$1,160 AUD
$815 USD
View
Final sale: no returns
A
Retailer 3
-
$1,324 AUD
$930 USD
View
A
Retailer 4
-
$1,352 AUD
$950 USD
View
A
Retailer 5
-
$1,358 AUD
$954 USD
View
Retailer 6
-
$1,391 AUD
SGD 1,320 SGD
View
Price last confirmed 9 days ago
A
Retailer 7
-
$1,469 AUD
£813 GBP
View
B+
Retailer 8
-
$1,613 AUD
$1,133 USD
View
B+
Retailer 9
-
$1,646 AUD
$1,156 USD
View
B+
Retailer 10
-
$1,801 AUD
€1,205 EUR
View
B+
Retailer 11
-
$1,873 AUD
ZAR 21,251 ZAR
View
B+
Retailer 12
-
$1,877 AUD
View
Retailer 13
-
$1,955 AUD
View
Price last confirmed 29 days ago
Retailer 14
-
$2,077 AUD
$1,459 USD
View
Price last confirmed 9 days ago
Most Expensive
B+
MOH London
BA4B8AC2A · Nov 1
$2,303 AUD
£1,274 GBP
View
14 more retailers have this diamond
Prices start from $984 AUDSave up to $1,319 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
$984 AUD