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Radiant|Natural|GIA

1.20ct E SI1 Radiant Natural Diamond

EX • E/SI1 • GIA 7556478631

Certificate GIA 7556478631

Diamond specifications and retailer prices

From €2,869 EUR
As of November 4, 2026
Save €2,588 EUR (47%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €5,456 EUR at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

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 7556478631. Listed at 13 retailers as of November 4, 2026, with prices from €2,869 to €5,456, a €2,588 spread on the same certified stone. Helzberg Diamonds lists it at €5,456. 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
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7556478631
Dimensions7.16 × 5.34 × 3.52 mm
L/W Ratio1.34
Culet sizeNone
Top View
7.16 mm5.34 mm1.20 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7556478631
Side View
Table 67.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 65.9%

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: €5,456 EUR|Low: €2,869 EUR|High: €5,456 EUR|Avg: €3,738 EUR|+4.0%
Helzberg Diamonds
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 7, 2026
Retailer 9€2,869 EUR
Retailer 11€2,917 EUR
Retailer 8€2,939 EUR
Retailer 10€3,066 EUR
Retailer 2€3,313 EUR
Retailer 4€3,456 EUR
Retailer 13€3,660 EUR
Retailer 3€3,713 EUR
Retailer 7€3,823 EUR
Retailer 6€3,980 EUR
Retailer 12€4,838 EUR
Retailer 5€5,179 EUR
Helzberg Diamonds€5,456 EUR

36 data points across 13 retailers

13 retailers€2,869 EUR to €5,456 EUR

A
Cheapest Retailer
-
€2,869 EUR
A
Retailer 2
-
€2,917 EUR
View
A
Retailer 3
-
€2,939 EUR
View
A
Retailer 4
-
€3,066 EUR
View
B+
Retailer 5
-
€3,313 EUR
View
B+
Retailer 6
-
€3,456 EUR
View
B+
Retailer 7
-
€3,660 EUR
View
B+
Retailer 8
-
€3,713 EUR
View
B+
Retailer 9
-
€3,823 EUR
View
B+
Retailer 10
-
€3,980 EUR
View
B
Retailer 11
-
€4,838 EUR
View
B
Retailer 12
-
€5,179 EUR
View
Most Expensive
B
Helzberg Diamonds
XZRNLLMKNOMJH · Nov 6
€5,456 EUR
$6,092 USD
View
12 more retailers have this diamond
Prices start from €2,869 EURSave up to €2,588 EUR

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
€2,869 EUR