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Cushion|Natural|GIA

1.20ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 2231997420

Certificate GIA 2231997420

Diamond specifications and retailer prices

From $2,738 AUD
As of November 6, 2026
Save $3,780 AUD (58%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $6,517 AUD at MOH London · As of November 7, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2231997420. Listed at 25 retailers as of November 6, 2026, with prices from $2,738 to $6,517, a $3,780 spread on the same certified stone. MOH London lists it at $6,517. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2231997420
Dimensions6.06 × 6.02 × 4.14 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.06 mm6.02 mm1.20 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2231997420
Side View
Table 64.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $6,517 AUD|Low: $2,663 AUD|High: $6,588 AUD|Avg: $3,811 AUD|+0.6%
MOH London
Retailer 2
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Retailer 4
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Retailer 7
Retailer 8
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Retailer 23
November 7, 2026
Retailer 7$2,738 AUD
Retailer 4$3,016 AUD
Retailer 9$3,126 AUD
Retailer 20$3,256 AUD
Retailer 15$3,257 AUD
Retailer 14$3,262 AUD
Retailer 2$3,278 AUD
Retailer 6$3,391 AUD
Retailer 10$3,391 AUD
Retailer 8$3,427 AUD
Retailer 12$3,474 AUD
Retailer 22$3,499 AUD
Retailer 17$3,513 AUD
Retailer 16$3,743 AUD
Retailer 21$3,799 AUD
Retailer 11$3,842 AUD
Retailer 13$4,065 AUD
Retailer 19$4,068 AUD
Retailer 3$4,564 AUD
Retailer 23$4,643 AUD
Retailer 18$5,005 AUD
Retailer 5$5,659 AUD
MOH London$6,517 AUD

24 data points across 23 retailers

25 retailers$2,738 AUD to $6,517 AUD

A
Cheapest Retailer
-
$2,738 AUD
A
Retailer 2
-
$3,016 AUD
View
A
Retailer 3
-
$3,126 AUD
View
Final sale: no returns
A
Retailer 4
-
$3,256 AUD
View
A
Retailer 5
-
$3,257 AUD
View
A
Retailer 6
-
$3,262 AUD
View
A
Retailer 7
-
$3,278 AUD
View
A
Retailer 8
-
$3,391 AUD
View
A
Retailer 9
-
$3,391 AUD
View
A
Retailer 10
-
$3,427 AUD
View
A
Retailer 11
-
$3,474 AUD
View
A
Retailer 12
-
$3,499 AUD
View
A
Retailer 13
-
$3,513 AUD
View
Retailer 14
-
$3,743 AUD
View
Price last confirmed 23 days ago
A
Retailer 15
-
$3,799 AUD
View
A
Retailer 16
-
$3,842 AUD
View
A
Retailer 17
-
$3,857 AUD
View
B+
Retailer 18
-
$4,065 AUD
View
B+
Retailer 19
-
$4,068 AUD
View
Retailer 20
-
$4,125 AUD
View
Price last confirmed 31 days ago
B+
Retailer 21
-
$4,564 AUD
View
B+
Retailer 22
-
$4,643 AUD
View
B+
Retailer 23
-
$5,005 AUD
View
B+
Retailer 24
-
$5,659 AUD
View
Most Expensive
B
MOH London
32F03C752 · Nov 7
$6,517 AUD
£3,526 GBP
View
24 more retailers have this diamond
Prices start from $2,738 AUDSave up to $3,780 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
$2,738 AUD