CaratHunter
Plans
Cushion|Natural|GIA

1.20ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 5231714298

Certificate GIA 5231714298

Diamond specifications and retailer prices

From $2,011 AUD
$1,409 USD
As of November 2, 2026
Save $1,969 AUD (49%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,980 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 1.2ct natural cushion diamond

This 1.2ct natural cushion sits in the classic 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 5231714298. Listed at 15 retailers as of November 2, 2026, with prices from $2,011 to $3,980, a $1,969 spread on the same certified stone. MOH London lists it at $3,980. 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

1.20
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle36.5°
OriginNatural
Grading LabGIA
CertificateGIA 5231714298
Dimensions6.00 × 5.86 × 4.01 mm
L/W Ratio1.02
Top View
6.00 mm5.86 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5231714298
Side View
Table 63.0%CrownGirdle: THK-ETKPavilion 36.5°Culet: NoneDepth 68.5%

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 2
Current: $3,980 AUD|Low: $1,893 AUD|High: $4,817 AUD|Avg: $2,756 AUD|-17.3%
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
Retailer 14
November 3, 2026
Retailer 14$2,011 AUD
Retailer 5$2,181 AUD
Retailer 4$2,235 AUD
Retailer 13$2,272 AUD
Retailer 3$2,314 AUD
Retailer 11$2,383 AUD
Retailer 9$2,469 AUD
Retailer 12$2,469 AUD
Retailer 10$2,540 AUD
Retailer 2$2,547 AUD
Retailer 8$2,628 AUD
Retailer 7$3,100 AUD
Retailer 6$3,277 AUD
MOH London$3,980 AUD

41 data points across 14 retailers

15 retailers$2,011 AUD to $3,980 AUD

A
Cheapest Retailer
-
$2,011 AUD
$1,409 USD
A
Retailer 2
-
$2,181 AUD
$1,528 USD
View
A
Retailer 3
-
$2,235 AUD
$1,566 USD
View
A
Retailer 4
-
$2,272 AUD
$1,592 USD
View
Final sale: no returns
A
Retailer 5
-
$2,314 AUD
$1,622 USD
View
B+
Retailer 6
-
$2,383 AUD
$1,670 USD
View
B+
Retailer 7
-
$2,469 AUD
$1,730 USD
View
B+
Retailer 8
-
$2,469 AUD
$1,730 USD
View
B+
Retailer 9
-
$2,540 AUD
$1,780 USD
View
B+
Retailer 10
-
$2,547 AUD
£1,406 GBP
View
B+
Retailer 11
-
$2,628 AUD
CA$2,558 CAD
View
B+
Retailer 12
-
$3,100 AUD
€2,069 EUR
View
B
Retailer 13
-
$3,277 AUD
$2,297 USD
View
B
Retailer 14
-
$3,728 AUD
CA$3,629 CAD
View
Most Expensive
B
MOH London
DD67D05AB · Nov 2
$3,980 AUD
£2,196 GBP
View
14 more retailers have this diamond
Prices start from $2,011 AUDSave up to $1,969 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
1.20ct Cushion
$2,011 AUD