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Cushion|Natural|GIA

1.20ct J SI2 Cushion Natural Diamond

ID • J/SI2 • GIA 6555811643

Certificate GIA 6555811643

Diamond specifications and retailer prices

From $1,523 USD
As of November 6, 2026
Save $2,024 USD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,547 USD 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 $1,523 to $3,547, a $2,024 spread on the same certified stone. MOH London lists it at $3,547. 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
Color
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: $3,547 USD|Low: $1,510 USD|High: $3,620 USD|Avg: $2,176 USD|-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 6, 2026
Retailer 9$1,523 USD
Retailer 2$1,592 USD
Retailer 11$1,873 USD
Retailer 6$1,891 USD
Retailer 3$2,041 USD
Retailer 5$2,114 USD
Retailer 8$2,120 USD
Retailer 10$2,168 USD
Retailer 7$2,204 USD
Retailer 4$2,757 USD
MOH London$3,547 USD

32 data points across 11 retailers

12 retailers$1,523 USD to $3,547 USD

A
Cheapest Retailer
-
$1,523 USD
A
Retailer 2
-
$1,592 USD
View
B+
Retailer 3
-
$1,873 USD
View
Final sale: no returns
B+
Retailer 4
-
$1,891 USD
View
B+
Retailer 5
-
$1,921 USD
View
Retailer 6
-
$2,041 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$2,114 USD
View
B+
Retailer 8
-
$2,120 USD
View
B+
Retailer 9
-
$2,168 USD
View
B+
Retailer 10
-
$2,204 USD
View
B
Retailer 11
-
$2,757 USD
View
Most Expensive
B
MOH London
7C0BBE768 · Nov 4
$3,547 USD
£2,793 GBP
View
11 more retailers have this diamond
Prices start from $1,523 USDSave up to $2,024 USD

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
$1,523 USD