Radiant|Natural|GIA

1.20ct I SI2 Radiant Natural Diamond

EX • I/SI2 • GIA 1565079351

Certificate GIA 1565079351

Diamond specifications and retailer prices

From €2,104 EUR
As of November 5, 2026
Save €1,802 EUR (46%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €3,906 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1565079351. Listed at 12 retailers as of November 5, 2026, with prices from €2,104 to €3,906, a €1,802 spread on the same certified stone. Helzberg Diamonds lists it at €3,906. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1565079351
Dimensions7.34 × 5.42 × 3.66 mm
L/W Ratio1.35
Culet sizeNone
Top View
7.34 mm5.42 mm1.20 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1565079351
Side View
Table 68.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 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 5
Current: €3,906 EUR|Low: €2,092 EUR|High: €3,987 EUR|Avg: €2,778 EUR|-2.0%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 7, 2026
Retailer 7€2,104 EUR
Retailer 8€2,234 EUR
Retailer 9€2,272 EUR
Retailer 2€2,430 EUR
Retailer 4€2,474 EUR
Retailer 10€2,667 EUR
Retailer 12€2,687 EUR
Retailer 3€2,773 EUR
Retailer 5€2,851 EUR
Retailer 6€2,920 EUR
Retailer 11€3,695 EUR
Helzberg Diamonds€3,906 EUR

40 data points across 12 retailers

12 retailers€2,104 EUR to €3,906 EUR

A
Cheapest Retailer
-
€2,104 EUR
B+
Retailer 2
-
€2,234 EUR
View
B+
Retailer 3
-
€2,272 EUR
View
B+
Retailer 4
-
€2,430 EUR
View
B+
Retailer 5
-
€2,474 EUR
View
B+
Retailer 6
-
€2,667 EUR
View
B+
Retailer 7
-
€2,687 EUR
View
B
Retailer 8
-
€2,773 EUR
View
B+
Retailer 9
-
€2,851 EUR
View
B
Retailer 10
-
€2,920 EUR
View
B
Retailer 11
-
€3,695 EUR
View
Most Expensive
B
Helzberg Diamonds
XZRHLMLGNPJLH · Nov 6
€3,906 EUR
$4,361 USD
View
11 more retailers have this diamond
Prices start from €2,104 EURSave up to €1,802 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
€2,104 EUR