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Cushion|Natural|GIA

1.20ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 6552511415

Certificate GIA 6552511415

Diamond specifications and retailer prices

From $3,334 AUD
As of November 4, 2026
Save $4,179 AUD (56%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $7,514 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 G 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 6552511415. Listed at 23 retailers as of November 4, 2026, with prices from $3,334 to $7,514, a $4,179 spread on the same certified stone. MOH London lists it at $7,514. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6552511415
Dimensions7.79 × 5.26 × 3.54 mm
L/W Ratio1.48
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle
Top View
7.79 mm5.26 mm1.20 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6552511415
Side View
Table 67.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.3%

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 4
Current: $7,514 AUD|Low: $3,296 AUD|High: $7,676 AUD|Avg: $4,655 AUD|-2.1%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 7, 2026
Retailer 8$3,334 AUD
Retailer 6$3,499 AUD
Retailer 20$3,778 AUD
Retailer 10$3,970 AUD
Retailer 9$4,061 AUD
Retailer 3$4,097 AUD
Retailer 13$4,250 AUD
Retailer 16$4,382 AUD
Retailer 5$4,449 AUD
Retailer 12$4,566 AUD
Retailer 17$4,615 AUD
Retailer 11$4,630 AUD
Retailer 2$4,685 AUD
Retailer 4$4,686 AUD
Retailer 14$4,686 AUD
Retailer 15$4,846 AUD
Retailer 19$5,069 AUD
Retailer 18$5,258 AUD
Retailer 7$5,433 AUD
MOH London$7,514 AUD

23 data points across 20 retailers

23 retailers$3,334 AUD to $7,514 AUD

A
Cheapest Retailer
-
$3,334 AUD
A
Retailer 2
-
$3,499 AUD
View
A
Retailer 3
-
$3,778 AUD
View
Final sale: no returns
Retailer 4
-
$3,970 AUD
View
Price last confirmed 9 days ago
B+
Retailer 5
-
$4,061 AUD
View
B+
Retailer 6
-
$4,097 AUD
View
B+
Retailer 7
-
$4,250 AUD
View
B+
Retailer 8
-
$4,312 AUD
View
B+
Retailer 9
-
$4,382 AUD
View
B+
Retailer 10
-
$4,449 AUD
View
Retailer 11
-
$4,566 AUD
View
Price last confirmed 22 days ago
B+
Retailer 12
-
$4,595 AUD
View
B+
Retailer 13
-
$4,615 AUD
View
Retailer 14
-
$4,630 AUD
View
Price last confirmed 11 days ago
B+
Retailer 15
-
$4,685 AUD
View
B+
Retailer 16
-
$4,686 AUD
View
B+
Retailer 17
-
$4,686 AUD
View
B+
Retailer 18
-
$4,846 AUD
View
Retailer 19
-
$4,999 AUD
View
Price last confirmed 34 days ago
B+
Retailer 20
-
$5,069 AUD
View
B+
Retailer 21
-
$5,258 AUD
View
B+
Retailer 22
-
$5,433 AUD
View
Most Expensive
B
MOH London
805DF8A19 · Nov 7
$7,514 AUD
£4,065 GBP
View
22 more retailers have this diamond
Prices start from $3,334 AUDSave up to $4,179 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
$3,334 AUD