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Radiant|Natural|GIA

1.20ct F SI1 Radiant Natural Diamond

ID • F/SI1 • GIA 5231729279

Certificate GIA 5231729279

Diamond specifications and retailer prices

From $4,116 CAD
As of November 7, 2026
Save $3,576 CAD (46%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,691 CAD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.2ct natural radiant diamond

This 1.2ct natural radiant sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5231729279. Listed at 10 retailers as of November 3, 2026, with prices from $4,116 to $7,691, a $3,576 spread on the same certified stone. NZ Jewellers lists it at $7,691. 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
F
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle44.82°
Pavilion angle31°
OriginNatural
Grading LabGIA
CertificateGIA 5231729279
Dimensions6.81 × 5.25 × 3.60 mm
L/W Ratio1.30
Girdle conditionVery Thick
Key to symbols
Crystal, Needle
Top View
6.81 mm5.25 mm1.20 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 5231729279
Side View
Table 65.0%Crown 44.82°Girdle: ThickPavilion 31°Culet: NoneDepth 68.6%

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 7
Current: $7,691 CAD|Low: $4,116 CAD|High: $7,691 CAD|Avg: $5,346 CAD
NZ Jewellers
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$4,116 CAD
Retailer 8$4,306 CAD
Retailer 10$4,415 CAD
Retailer 5$4,417 CAD
Retailer 6$4,584 CAD
Retailer 11$4,625 CAD
Retailer 12$4,716 CAD
Retailer 9$4,968 CAD
Retailer 3$5,301 CAD
Retailer 4$5,345 CAD
Retailer 2$7,342 CAD
NZ Jewellers$7,691 CAD

38 data points across 12 retailers

10 retailers$4,116 CAD to $7,691 CAD

A
Cheapest Retailer
-
$4,116 CAD
B+
Retailer 2
-
$4,306 CAD
View
B+
Retailer 3
-
$4,415 CAD
View
B+
Retailer 4
-
$4,417 CAD
View
B+
Retailer 5
-
$4,584 CAD
View
B+
Retailer 6
-
$4,625 CAD
View
Retailer 7
-
$4,716 CAD
View
Price last confirmed 31 days ago
B+
Retailer 8
-
$4,968 CAD
View
B
Retailer 9
-
$7,342 CAD
View
Most Expensive
B
NZ Jewellers
e9b2c886-2d9c-4bb4-ae68-4ede3844fe8c · Nov 3
$7,691 CAD
$5,468 USD
View
9 more retailers have this diamond
Prices start from $4,116 CADSave up to $3,576 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.

A
1.20ct Radiant
$4,116 CAD