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Radiant|Natural|GIA

1.20ct E SI1 Radiant Natural Diamond

EX • E/SI1 • GIA 6552456281

Certificate GIA 6552456281

Diamond specifications and retailer prices

From $2,470 USD
As of November 4, 2026
Save $2,362 USD (49%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,832 USD at MOH London · As of November 2, 2026
View at MOH London

About this 1.2ct natural radiant diamond

This 1.2ct natural radiant sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552456281. Listed at 13 retailers as of November 2, 2026, with prices from $2,470 to $4,832, a $2,362 spread on the same certified stone. MOH London lists it at $4,832. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552456281
Dimensions5.85 × 5.73 × 3.87 mm
L/W Ratio1.02
Girdle conditionPolished
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
5.85 mm5.73 mm1.20 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552456281
Side View
Table 63.0%CrownGirdle: Very ThickPavilionCulet: NDepth 67.5%

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: $4,832 USD|Low: $2,470 USD|High: $4,891 USD|Avg: $3,137 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 9$2,470 USD
Retailer 10$2,657 USD
Retailer 6$2,710 USD
Retailer 7$2,864 USD
Retailer 2$2,919 USD
Retailer 5$3,060 USD
Retailer 8$3,090 USD
Retailer 3$3,210 USD
Retailer 4$3,366 USD
MOH London$4,832 USD

46 data points across 10 retailers

13 retailers$2,470 USD to $4,832 USD

A
Cheapest Retailer
-
$2,470 USD
A
Retailer 2
-
$2,657 USD
View
A
Retailer 3
-
$2,710 USD
View
A
Retailer 4
-
$2,864 USD
View
A
Retailer 5
-
$2,899 USD
View
A
Retailer 6
-
$2,919 USD
View
A
Retailer 7
-
$3,060 USD
View
Retailer 8
-
$3,090 USD
View
Price last confirmed 31 days ago
B+
Retailer 9
-
$3,149 USD
View
B+
Retailer 10
-
$3,170 USD
View
B+
Retailer 11
-
$3,210 USD
View
B+
Retailer 12
-
$3,366 USD
View
Most Expensive
B
MOH London
82E0605D6 · Nov 2
$4,832 USD
£3,805 GBP
View
12 more retailers have this diamond
Prices start from $2,470 USDSave up to $2,362 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 Radiant
$2,470 USD