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Radiant|Natural|GIA

1.20ct I SI2 Radiant Natural Diamond

EX • I/SI2 • GIA 1565079351

Certificate GIA 1565079351

Diamond specifications and retailer prices

From €2,091 EUR
SGD 3,157 SGD
As of October 31, 2026
Save €1,812 EUR (46%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €3,903 EUR at Helzberg Diamonds · As of November 2, 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 October 31, 2026, with prices from €2,091 to €3,903, a €1,812 spread on the same certified stone. Helzberg Diamonds lists it at €3,903. 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
Color
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: Oct 31
Current: €3,903 EUR|Low: €2,091 EUR|High: €4,023 EUR|Avg: €2,806 EUR|-3.0%
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 2, 2026
Retailer 8€2,091 EUR
Retailer 7€2,232 EUR
Retailer 9€2,271 EUR
Retailer 5€2,453 EUR
Retailer 4€2,473 EUR
Retailer 10€2,666 EUR
Retailer 12€2,685 EUR
Retailer 3€2,771 EUR
Retailer 6€2,849 EUR
Retailer 2€2,926 EUR
Retailer 11€3,694 EUR
Helzberg Diamonds€3,903 EUR

37 data points across 12 retailers

12 retailers€2,091 EUR to €3,903 EUR

A
Cheapest Retailer
-
€2,091 EUR
SGD 3,157 SGD
B+
Retailer 2
-
€2,232 EUR
$2,494 USD
View
A
Retailer 3
-
€2,271 EUR
$2,538 USD
View
B+
Retailer 4
-
€2,453 EUR
£2,158 GBP
View
B+
Retailer 5
-
€2,473 EUR
SGD 3,733 SGD
View
B+
Retailer 6
-
€2,666 EUR
$2,978 USD
View
B+
Retailer 7
-
€2,685 EUR
$3,000 USD
View
B+
Retailer 8
-
€2,771 EUR
$3,096 USD
View
B+
Retailer 9
-
€2,849 EUR
$3,183 USD
View
B+
Retailer 10
-
€2,926 EUR
View
B
Retailer 11
-
€3,694 EUR
$4,127 USD
View
Most Expensive
B
Helzberg Diamonds
XZRHLMLGNPJLH · Nov 2
€3,903 EUR
$4,361 USD
View
11 more retailers have this diamond
Prices start from €2,091 EURSave up to €1,812 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
€2,091 EUR