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Cushion|Natural|GIA

1.20ct E SI2 Cushion Natural Diamond

ID • E/SI2 • GIA 1555308320

Certificate GIA 1555308320

Diamond specifications and retailer prices

From $2,329 USD
As of November 6, 2026
Save $2,822 USD (55%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,151 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1555308320. Listed at 12 retailers as of November 4, 2026, with prices from $2,329 to $5,151, a $2,822 spread on the same certified stone. MOH London lists it at $5,151. 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
E
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 1555308320
Dimensions7.61 × 5.35 × 3.62 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural
Top View
7.61 mm5.35 mm1.20 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 1555308320
Side View
Table 67.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.8%

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: $5,151 USD|Low: $2,304 USD|High: $5,433 USD|Avg: $3,277 USD|-5.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7$2,329 USD
Retailer 2$2,422 USD
Retailer 6$2,828 USD
Retailer 8$2,850 USD
Retailer 5$3,192 USD
Retailer 10$3,202 USD
Retailer 4$3,235 USD
Retailer 9$3,330 USD
Retailer 3$3,595 USD
MOH London$5,151 USD

31 data points across 10 retailers

12 retailers$2,329 USD to $5,151 USD

A
Cheapest Retailer
-
$2,329 USD
A
Retailer 2
-
$2,422 USD
View
B+
Retailer 3
-
$2,828 USD
View
B+
Retailer 4
-
$2,850 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,977 USD
View
B+
Retailer 6
-
$3,164 USD
View
B+
Retailer 7
-
$3,192 USD
View
Retailer 8
-
$3,202 USD
View
Price last confirmed 21 days ago
B+
Retailer 9
-
$3,235 USD
View
B+
Retailer 10
-
$3,330 USD
View
B+
Retailer 11
-
$3,595 USD
View
Most Expensive
B
MOH London
0B18D3B7B · Nov 4
$5,151 USD
£4,056 GBP
View
11 more retailers have this diamond
Prices start from $2,329 USDSave up to $2,822 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
$2,329 USD