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Cushion|Natural|GIA

1.20ct J SI2 Cushion Natural Diamond

ID • J/SI2 • GIA 7551079794

Certificate GIA 7551079794

Diamond specifications and retailer prices

From $2,439 AUD
As of November 6, 2026
Save $3,196 AUD (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,636 AUD at MOH London · As of November 4, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7551079794. Listed at 14 retailers as of November 4, 2026, with prices from $2,439 to $5,636, a $3,196 spread on the same certified stone. MOH London lists it at $5,636. 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
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7551079794
Dimensions7.96 × 5.11 × 3.55 mm
L/W Ratio1.56
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Needle
Top View
7.96 mm5.11 mm1.20 ctJ / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7551079794
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 69.4%

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: Nov 6
Current: $5,636 AUD|Low: $2,439 AUD|High: $5,961 AUD|Avg: $3,457 AUD|-5.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 11$2,439 AUD
Retailer 2$2,551 AUD
Retailer 8$2,950 AUD
Retailer 12$2,976 AUD
Retailer 4$3,110 AUD
Retailer 3$3,275 AUD
Retailer 10$3,391 AUD
Retailer 6$3,400 AUD
Retailer 9$3,427 AUD
Retailer 7$3,505 AUD
Retailer 5$4,004 AUD
MOH London$5,636 AUD

29 data points across 12 retailers

14 retailers$2,439 AUD to $5,636 AUD

A
Cheapest Retailer
-
$2,439 AUD
A
Retailer 2
-
$2,551 AUD
View
B+
Retailer 3
-
$2,950 AUD
View
B+
Retailer 4
-
$2,976 AUD
View
Final sale: no returns
B+
Retailer 5
-
$3,110 AUD
View
B+
Retailer 6
-
$3,161 AUD
View
Retailer 7
-
$3,275 AUD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
$3,391 AUD
View
B
Retailer 9
-
$3,400 AUD
View
B
Retailer 10
-
$3,427 AUD
View
B+
Retailer 11
-
$3,505 AUD
View
B+
Retailer 12
-
$3,545 AUD
View
B
Retailer 13
-
$4,004 AUD
View
Most Expensive
B
MOH London
A1769C47C · Nov 4
$5,636 AUD
£3,049 GBP
View
13 more retailers have this diamond
Prices start from $2,439 AUDSave up to $3,196 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
$2,439 AUD