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Cushion|Natural|GIA

1.20ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 7551587301

Certificate GIA 7551587301

Diamond specifications and retailer prices

From $2,721 AUD
HK$14,900 HKD
As of November 1, 2026
Save $3,599 AUD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,321 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 7551587301. Listed at 17 retailers as of November 1, 2026, with prices from $2,721 to $6,321, a $3,599 spread on the same certified stone. MOH London lists it at $6,321. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7551587301
Dimensions7.39 × 5.49 × 3.69 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Cloud, Crystal, Indented Natural, Needle, Natural
Top View
7.39 mm5.49 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7551587301
Side View
Table 66.0%CrownGirdle: VTN-THKPavilionCulet: NoneDepth 67.1%

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 1
Current: $6,321 AUD|Low: $2,703 AUD|High: $6,430 AUD|Avg: $3,847 AUD|-1.7%
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 12$2,721 AUD
Retailer 7$2,850 AUD
Retailer 4$3,177 AUD
Retailer 11$3,330 AUD
Retailer 8$3,519 AUD
Retailer 3$3,626 AUD
Retailer 5$3,791 AUD
Retailer 10$3,809 AUD
Retailer 6$3,856 AUD
Retailer 2$3,925 AUD
Retailer 13$4,457 AUD
Retailer 9$4,505 AUD
MOH London$6,321 AUD

24 data points across 13 retailers

17 retailers$2,721 AUD to $6,321 AUD

B+
Cheapest Retailer
-
$2,721 AUD
HK$14,900 HKD
B+
Retailer 2
-
$2,850 AUD
₹190,241 INR
View
B+
Retailer 3
-
$3,177 AUD
SGD 3,009 SGD
View
B+
Retailer 4
-
$3,330 AUD
$2,334 USD
View
Final sale: no returns
B
Retailer 5
-
$3,392 AUD
$2,377 USD
View
B
Retailer 6
-
$3,396 AUD
$2,380 USD
View
B+
Retailer 7
-
$3,519 AUD
£1,942 GBP
View
B+
Retailer 8
-
$3,626 AUD
$2,541 USD
View
Retailer 9
-
$3,791 AUD
SGD 3,590 SGD
View
Price last confirmed 7 days ago
B
Retailer 10
-
$3,809 AUD
$2,669 USD
View
B
Retailer 11
-
$3,819 AUD
View
B
Retailer 12
-
$3,856 AUD
£2,128 GBP
View
B
Retailer 13
-
$3,925 AUD
$2,751 USD
View
Retailer 14
-
$4,083 AUD
View
Price last confirmed 26 days ago
B
Retailer 15
-
$4,457 AUD
ZAR 50,465 ZAR
View
B
Retailer 16
-
$4,505 AUD
€3,007 EUR
View
Most Expensive
B
MOH London
BC1877D3C · Nov 2
$6,321 AUD
£3,488 GBP
View
16 more retailers have this diamond
Prices start from $2,721 AUDSave up to $3,599 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
$2,721 AUD