Cushion|Natural|GIA

1.20ct J SI2 Cushion Natural Diamond

ID • J/SI2 • GIA 6555811643

Certificate GIA 6555811643

Diamond specifications and retailer prices

From $2,217 AUD
As of November 6, 2026
Save $2,946 AUD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,162 AUD at MOH London · As of November 4, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555811643. Listed at 12 retailers as of November 4, 2026, with prices from $2,217 to $5,162, a $2,946 spread on the same certified stone. MOH London lists it at $5,162. 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
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6555811643
Dimensions7.46 × 5.51 × 3.58 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural, Natural
Top View
7.46 mm5.51 mm1.20 ctJ / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6555811643
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 65.0%

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 6
Current: $5,162 AUD|Low: $2,198 AUD|High: $5,268 AUD|Avg: $3,161 AUD|-2.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 9$2,217 AUD
Retailer 4$2,317 AUD
Retailer 11$2,726 AUD
Retailer 7$2,752 AUD
Retailer 3$2,970 AUD
Retailer 6$3,077 AUD
Retailer 8$3,085 AUD
Retailer 10$3,155 AUD
Retailer 2$3,208 AUD
Retailer 5$4,013 AUD
MOH London$5,162 AUD

33 data points across 11 retailers

12 retailers$2,217 AUD to $5,162 AUD

A
Cheapest Retailer
-
$2,217 AUD
A
Retailer 2
-
$2,317 AUD
View
B+
Retailer 3
-
$2,726 AUD
View
Final sale: no returns
B+
Retailer 4
-
$2,752 AUD
View
B+
Retailer 5
-
$2,796 AUD
View
Retailer 6
-
$2,970 AUD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$3,077 AUD
View
B+
Retailer 8
-
$3,085 AUD
View
B+
Retailer 9
-
$3,155 AUD
View
B+
Retailer 10
-
$3,208 AUD
View
B
Retailer 11
-
$4,013 AUD
View
Most Expensive
B
MOH London
7C0BBE768 · Nov 4
$5,162 AUD
£2,793 GBP
View
11 more retailers have this diamond
Prices start from $2,217 AUDSave up to $2,946 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
$2,217 AUD