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Radiant|Natural|GIA

1.20ct I SI2 Radiant Natural Diamond

EX • I/SI2 • GIA 6422630111

Certificate GIA 6422630111

Diamond specifications and retailer prices

From €2,463 EUR
$2,752 USD
As of October 31, 2026
Save €1,287 EUR (34%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €3,750 EUR at 77 Diamonds · As of November 1, 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 6422630111. Listed at 5 retailers as of October 31, 2026, with prices from €2,463 to €3,750, a €1,287 spread on the same certified stone. 77 Diamonds lists it at €3,750. 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 6422630111
Dimensions7.26 × 5.06 × 3.49 mm
L/W Ratio1.43
Top View
7.26 mm5.06 mm1.20 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6422630111
Side View
Table 64.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 68.9%

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: Oct 31
Current: €3,750 EUR|Low: €2,316 EUR|High: €3,795 EUR|Avg: €2,761 EUR|+1.2%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 5€2,463 EUR
Retailer 3€2,518 EUR
Retailer 2€2,548 EUR
Retailer 4€2,570 EUR
77 Diamonds€3,750 EUR

35 data points across 5 retailers

5 retailers€2,463 EUR to €3,750 EUR

B+
Cheapest Retailer
-
€2,463 EUR
$2,752 USD
B+
Retailer 2
-
€2,518 EUR
$2,813 USD
View
B+
Retailer 3
-
€2,548 EUR
$2,847 USD
View
Final sale: no returns
B+
Retailer 4
-
€2,570 EUR
$2,871 USD
View
Most Expensive
B
77 Diamonds
RADZMKPDCWFP · Nov 1
€3,750 EUR
£3,299 GBP
View
4 more retailers have this diamond
Prices start from €2,463 EURSave up to €1,287 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
€2,463 EUR