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Radiant|Natural|GIA

1.20ct F SI1 Radiant Natural Diamond

GD • F/SI1 • GIA 6552511433

Certificate GIA 6552511433

Diamond specifications and retailer prices

From $3,726 CAD
As of November 6, 2026
Save $4,512 CAD (55%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $8,932 CAD at Queensmith · As of October 28, 2026
View at Queensmith

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 standard cut grade stated by the retailer rather than the lab and certified by GIA 6552511433. Listed at 21 retailers as of November 4, 2026, with a 121% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.20
Carat
F
Color
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552511433
Dimensions7.14 × 5.45 × 3.75 mm
L/W Ratio1.31
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
7.14 mm5.45 mm1.20 ctF / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552511433
Side View
Table 69.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.8%

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 6
Current: $8,932 CAD|Low: $3,691 CAD|High: $9,102 CAD|Avg: $5,564 CAD|+1.0%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 7, 2026
Retailer 13$3,726 CAD
Retailer 7$3,871 CAD
Retailer 5$4,434 CAD
Retailer 11$4,519 CAD
Retailer 4$4,559 CAD
Retailer 14$4,754 CAD
Retailer 2$5,112 CAD
Retailer 3$5,143 CAD
Retailer 8$5,181 CAD
Retailer 6$5,694 CAD
Retailer 9$5,750 CAD
Retailer 10$6,029 CAD
Retailer 12$8,238 CAD
Queensmith$8,932 CAD

27 data points across 14 retailers

21 retailers$3,726 CAD to $8,238 CAD

A
Cheapest Retailer
-
$3,726 CAD
A
Retailer 2
-
$3,871 CAD
View
B+
Retailer 3
-
$4,434 CAD
View
B+
Retailer 4
-
$4,519 CAD
View
B+
Retailer 5
-
$4,559 CAD
View
Final sale: no returns
B
Retailer 6
-
$4,754 CAD
View
B
Retailer 7
-
$4,756 CAD
View
B
Retailer 8
-
$5,017 CAD
View
B
Retailer 9
-
$5,112 CAD
View
Retailer 10
-
$5,113 CAD
View
Price last confirmed 20 days ago
Retailer 11
-
$5,113 CAD
View
Price last confirmed 22 days ago
B
Retailer 12
-
$5,143 CAD
View
B
Retailer 13
-
$5,181 CAD
View
Retailer 14
-
$5,310 CAD
View
Price last confirmed 22 days ago
Retailer 15
-
$5,503 CAD
View
Price last confirmed 30 days ago
B
Retailer 16
-
$5,750 CAD
View
Retailer 17
-
$5,899 CAD
View
Price last confirmed 19 days ago
B
Retailer 18
-
$6,029 CAD
View
B
Retailer 19
-
$8,238 CAD
View
Retailer 20
-
$8,908 CAD
View
Price last confirmed 21 days ago
Most Expensive
Queensmith
6552511433 · Oct 28
$8,932 CAD
£5,000 GBP
View
Price last confirmed 9 days ago
20 more retailers have this diamond
Prices start from $3,726 CADSave up to $4,512 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
$3,726 CAD