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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 $3,870 CAD
As of November 4, 2026
Save $2,014 CAD (34%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $5,884 CAD at 77 Diamonds · As of November 5, 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 November 4, 2026, with prices from $3,870 to $5,884, a $2,014 spread on the same certified stone. 77 Diamonds lists it at $5,884. 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: Nov 4
Current: $5,884 CAD|Low: $3,640 CAD|High: $5,964 CAD|Avg: $4,343 CAD|+1.1%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 5$3,870 CAD
Retailer 3$3,957 CAD
Retailer 2$4,005 CAD
Retailer 4$4,038 CAD
77 Diamonds$5,884 CAD

35 data points across 5 retailers

5 retailers$3,870 CAD to $5,884 CAD

B+
Cheapest Retailer
-
$3,870 CAD
B+
Retailer 2
-
$3,957 CAD
View
B+
Retailer 3
-
$4,005 CAD
View
Final sale: no returns
B+
Retailer 4
-
$4,038 CAD
View
Most Expensive
B
77 Diamonds
RADZVXKHNWR7 · Nov 5
$5,884 CAD
£3,294 GBP
View
4 more retailers have this diamond
Prices start from $3,870 CADSave up to $2,014 CAD

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
$3,870 CAD