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Radiant|Natural|GIA

1.20ct J SI2 Radiant Natural Diamond

VG • J/SI2 • GIA 3565412188

Certificate GIA 3565412188

Diamond specifications and retailer prices

From €1,663 EUR
As of November 5, 2026
Save €1,353 EUR (45%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €3,017 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 3565412188. Listed at 12 retailers as of November 5, 2026, with prices from €1,663 to €3,017, a €1,353 spread on the same certified stone. Helzberg Diamonds lists it at €3,017. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.20
Carat
J
Colour
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3565412188
Dimensions7.05 × 5.25 × 3.62 mm
L/W Ratio1.34
Culet sizeNone
Top View
7.05 mm5.25 mm1.20 ctJ / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3565412188
Side View
Table 68.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 69.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: €3,017 EUR|Low: €1,654 EUR|High: €3,354 EUR|Avg: €2,152 EUR|-10.1%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 7, 2026
Retailer 7€1,663 EUR
Retailer 12€1,670 EUR
Retailer 10€1,684 EUR
Retailer 8€1,688 EUR
Retailer 4€1,833 EUR
Retailer 2€1,841 EUR
Retailer 11€2,008 EUR
Retailer 5€2,113 EUR
Retailer 3€2,159 EUR
Retailer 6€2,366 EUR
Retailer 9€2,757 EUR
Helzberg Diamonds€3,017 EUR

30 data points across 12 retailers

12 retailers€1,663 EUR to €3,017 EUR

A
Cheapest Retailer
-
€1,663 EUR
A
Retailer 2
-
€1,670 EUR
View
A
Retailer 3
-
€1,684 EUR
View
A
Retailer 4
-
€1,688 EUR
View
B+
Retailer 5
-
€1,833 EUR
View
B+
Retailer 6
-
€1,841 EUR
View
B+
Retailer 7
-
€2,008 EUR
View
B+
Retailer 8
-
€2,113 EUR
View
B+
Retailer 9
-
€2,159 EUR
View
B
Retailer 10
-
€2,366 EUR
View
B
Retailer 11
-
€2,757 EUR
View
Most Expensive
B
Helzberg Diamonds
XZRJLMLKHIHOO · Nov 6
€3,017 EUR
$3,368 USD
View
11 more retailers have this diamond
Prices start from €1,663 EURSave up to €1,353 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
€1,663 EUR