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Radiant|Natural|GIA

1.20ct I SI2 Radiant Natural Diamond

EX • I/SI2 • GIA 2245009600

Certificate GIA 2245009600

Diamond specifications and retailer prices

From €2,216 EUR
A$3,808 AUD
As of November 2, 2026
Save €1,725 EUR (44%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €3,940 EUR at 77 Diamonds · As of November 2, 2026
View at 77 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 2245009600. Listed at 5 retailers as of November 2, 2026, with prices from €2,216 to €3,940, a €1,725 spread on the same certified stone. 77 Diamonds lists it at €3,940. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2245009600
Dimensions7.27 × 5.39 × 3.65 mm
L/W Ratio1.35
Girdle conditionPolished
Culet sizeNone
Key to symbols
Feather, Pinpoint
Top View
7.27 mm5.39 mm1.20 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2245009600
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €3,940 EUR|Low: €1,719 EUR|High: €3,949 EUR|Avg: €2,408 EUR|-0.2%
77 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 12€1,719 EUR
Retailer 6€1,754 EUR
Retailer 8€2,048 EUR
Retailer 9€2,208 EUR
Retailer 5€2,216 EUR
Retailer 3€2,309 EUR
Retailer 11€2,334 EUR
Retailer 7€2,547 EUR
Retailer 10€2,628 EUR
Retailer 4€2,691 EUR
Retailer 2€2,956 EUR
77 Diamonds€3,940 EUR

20 data points across 12 retailers

5 retailers€2,216 EUR to €3,940 EUR

Retailer 1
-
€1,719 EUR
HK$15,000 HKD
Price last confirmed 59 days ago
B+
Retailer 2
-
€2,216 EUR
A$3,808 AUD
View
Retailer 3
-
€2,547 EUR
$2,846 USD
View
Price last confirmed 56 days ago
B
Retailer 4
-
€2,956 EUR
CA$4,586 CAD
View
Most Expensive
B
77 Diamonds
RADMBM3SGSKWS · Nov 2
€3,940 EUR
£3,466 GBP
View
4 more retailers have this diamond
Prices start from €2,216 EURSave up to €1,725 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.

B+
1.20ct Radiant
€2,216 EUR