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Cushion|Natural|GIA

1.20ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 7542838428

Certificate GIA 7542838428

Diamond specifications and retailer prices

From $1,932 USD
As of November 2, 2026
Save $2,519 USD (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,451 USD 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 J 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 7542838428. Listed at 15 retailers as of November 2, 2026, with prices from $1,932 to $4,451, a $2,519 spread on the same certified stone. MOH London lists it at $4,451. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7542838428
Dimensions7.24 × 5.41 × 3.66 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Cavity, Indented Natural, Needle
Top View
7.24 mm5.41 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7542838428
Side View
Table 64.0%CrownGirdle: VTN-VTKPavilionCulet: NoneDepth 67.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $4,451 USD|Low: $1,932 USD|High: $4,550 USD|Avg: $2,724 USD|-2.2%
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
November 4, 2026
Retailer 10$1,932 USD
Retailer 7$2,027 USD
Retailer 8$2,281 USD
Retailer 12$2,345 USD
Retailer 3$2,425 USD
Retailer 4$2,566 USD
Retailer 11$2,681 USD
Retailer 2$2,688 USD
Retailer 9$2,760 USD
Retailer 5$2,889 USD
Retailer 13$3,154 USD
Retailer 6$3,160 USD
MOH London$4,451 USD

32 data points across 13 retailers

15 retailers$1,932 USD to $4,451 USD

B+
Cheapest Retailer
-
$1,932 USD
B+
Retailer 2
-
$2,027 USD
View
B+
Retailer 3
-
$2,281 USD
View
B+
Retailer 4
-
$2,345 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,425 USD
View
B+
Retailer 6
-
$2,425 USD
View
B
Retailer 7
-
$2,566 USD
View
B
Retailer 8
-
$2,681 USD
View
B
Retailer 9
-
$2,688 USD
View
B
Retailer 10
-
$2,760 USD
View
B
Retailer 11
-
$2,774 USD
View
Retailer 12
-
$2,889 USD
View
Price last confirmed 28 days ago
B
Retailer 13
-
$3,154 USD
View
B
Retailer 14
-
$3,160 USD
View
Most Expensive
B
MOH London
4F637D3B5 · Nov 2
$4,451 USD
£3,505 GBP
View
14 more retailers have this diamond
Prices start from $1,932 USDSave up to $2,519 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.

B+
1.20ct Cushion
$1,932 USD