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Cushion|Natural|GIA

1.20ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 7542838428

Certificate GIA 7542838428

Diamond specifications and retailer prices

From $2,758 AUD
HK$15,100 HKD
As of November 2, 2026
Save $3,594 AUD (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,352 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 7542838428. Listed at 15 retailers as of November 2, 2026, with prices from $2,758 to $6,352, a $3,594 spread on the same certified stone. MOH London lists it at $6,352. 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
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7542838428
Dimensions7.24 × 5.41 × 3.66 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Cavity, Indented Natural, Needle
Top View
7.24 mm5.41 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7542838428
Side View
Table 64.0%CrownGirdle: VTN-VTKPavilionCulet: NoneDepth 67.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $6,352 AUD|Low: $2,758 AUD|High: $6,493 AUD|Avg: $3,886 AUD|-2.2%
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 3, 2026
Retailer 9$2,758 AUD
Retailer 8$2,894 AUD
Retailer 2$3,255 AUD
Retailer 12$3,346 AUD
Retailer 3$3,460 AUD
Retailer 4$3,661 AUD
Retailer 11$3,826 AUD
Retailer 6$3,875 AUD
Retailer 7$3,938 AUD
Retailer 5$4,123 AUD
Retailer 13$4,501 AUD
Retailer 10$4,526 AUD
MOH London$6,352 AUD

32 data points across 13 retailers

15 retailers$2,758 AUD to $6,352 AUD

B+
Cheapest Retailer
-
$2,758 AUD
HK$15,100 HKD
B+
Retailer 2
-
$2,894 AUD
₹193,184 INR
View
B+
Retailer 3
-
$3,255 AUD
SGD 3,083 SGD
View
B+
Retailer 4
-
$3,346 AUD
$2,345 USD
View
Final sale: no returns
B+
Retailer 5
-
$3,460 AUD
$2,425 USD
View
B+
Retailer 6
-
$3,460 AUD
$2,425 USD
View
B
Retailer 7
-
$3,661 AUD
$2,566 USD
View
B
Retailer 8
-
$3,826 AUD
$2,681 USD
View
B
Retailer 9
-
$3,875 AUD
£2,138 GBP
View
B
Retailer 10
-
$3,938 AUD
$2,760 USD
View
B
Retailer 11
-
$3,959 AUD
View
Retailer 12
-
$4,123 AUD
View
Price last confirmed 26 days ago
B
Retailer 13
-
$4,501 AUD
ZAR 50,956 ZAR
View
B
Retailer 14
-
$4,526 AUD
€3,021 EUR
View
Most Expensive
B
MOH London
4F637D3B5 · Nov 2
$6,352 AUD
£3,505 GBP
View
14 more retailers have this diamond
Prices start from $2,758 AUDSave up to $3,594 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+
1.20ct Cushion
$2,758 AUD