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Cushion|Natural|GIA

1.20ct I SI2 Cushion Natural Diamond

ID • I/SI2 • GIA 5553339136

Certificate GIA 5553339136

Diamond specifications and retailer prices

From $2,301 AUD
HK$12,600 HKD
As of November 1, 2026
Save $3,066 AUD (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,368 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 I 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 5553339136. Listed at 13 retailers as of November 1, 2026, with prices from $2,301 to $5,368, a $3,066 spread on the same certified stone. MOH London lists it at $5,368. 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
I
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5553339136
Dimensions6.89 × 5.30 × 3.61 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
6.89 mm5.30 mm1.20 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5553339136
Side View
Table 67.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.1%

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 1
Current: $5,368 AUD|Low: $2,283 AUD|High: $5,433 AUD|Avg: $3,331 AUD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 3, 2026
Retailer 5$2,301 AUD
Retailer 3$2,428 AUD
Retailer 7$2,803 AUD
Retailer 8$2,827 AUD
Retailer 6$3,064 AUD
Retailer 2$3,361 AUD
Retailer 4$4,183 AUD
MOH London$5,368 AUD

38 data points across 8 retailers

13 retailers$2,301 AUD to $5,368 AUD

A
Cheapest Retailer
-
$2,301 AUD
HK$12,600 HKD
A
Retailer 2
-
$2,428 AUD
₹162,047 INR
View
A
Retailer 3
-
$2,803 AUD
SGD 2,655 SGD
View
A
Retailer 4
-
$2,827 AUD
$1,981 USD
View
Final sale: no returns
A
Retailer 5
-
$2,869 AUD
$2,011 USD
View
A
Retailer 6
-
$3,064 AUD
$2,147 USD
View
B+
Retailer 7
-
$3,114 AUD
View
B+
Retailer 8
-
$3,196 AUD
SGD 3,027 SGD
View
B+
Retailer 9
-
$3,211 AUD
$2,250 USD
View
B+
Retailer 10
-
$3,262 AUD
$2,286 USD
View
B+
Retailer 11
-
$3,361 AUD
£1,855 GBP
View
B+
Retailer 12
-
$4,183 AUD
€2,792 EUR
View
Most Expensive
B
MOH London
760D01C48 · Nov 2
$5,368 AUD
£2,962 GBP
View
12 more retailers have this diamond
Prices start from $2,301 AUDSave up to $3,066 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
$2,301 AUD