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Radiant|Natural|GIA

1.20ct E SI1 Radiant Natural Diamond

VG • E/SI1 • GIA 6551653089

Certificate GIA 6551653089

Diamond specifications and retailer prices

From $3,366 CAD
As of November 6, 2026
Save $4,065 CAD (55%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $8,530 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 E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6551653089. 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
E
Color
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551653089
Dimensions7.03 × 5.42 × 3.77 mm
L/W Ratio1.30
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
7.03 mm5.42 mm1.20 ctE / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6551653089
Side View
Table 72.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.5%

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: $8,530 CAD|Low: $3,331 CAD|High: $8,691 CAD|Avg: $5,007 CAD|+0.8%
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
November 7, 2026
Retailer 12$3,366 CAD
Retailer 6$3,505 CAD
Retailer 5$4,010 CAD
Retailer 10$4,079 CAD
Retailer 4$4,111 CAD
Retailer 13$4,290 CAD
Retailer 2$4,609 CAD
Retailer 3$4,657 CAD
Retailer 7$4,670 CAD
Retailer 8$5,186 CAD
Retailer 9$5,438 CAD
Retailer 11$7,431 CAD
Queensmith$8,530 CAD

29 data points across 13 retailers

21 retailers$3,366 CAD to $7,431 CAD

A
Cheapest Retailer
-
$3,366 CAD
A
Retailer 2
-
$3,505 CAD
View
A
Retailer 3
-
$4,010 CAD
View
A
Retailer 4
-
$4,079 CAD
View
A
Retailer 5
-
$4,111 CAD
View
Final sale: no returns
B+
Retailer 6
-
$4,290 CAD
View
B+
Retailer 7
-
$4,294 CAD
View
B+
Retailer 8
-
$4,560 CAD
View
B+
Retailer 9
-
$4,609 CAD
View
Retailer 10
-
$4,642 CAD
View
Price last confirmed 30 days ago
Retailer 11
-
$4,642 CAD
View
Price last confirmed 30 days ago
B+
Retailer 12
-
$4,657 CAD
View
B+
Retailer 13
-
$4,670 CAD
View
Retailer 14
-
$4,820 CAD
View
Price last confirmed 38 days ago
Retailer 15
-
$4,958 CAD
View
Price last confirmed 31 days ago
B+
Retailer 16
-
$5,186 CAD
View
Retailer 17
-
$5,356 CAD
View
Price last confirmed 29 days ago
B+
Retailer 18
-
$5,438 CAD
View
B
Retailer 19
-
$7,431 CAD
View
Retailer 20
-
$8,088 CAD
View
Price last confirmed 38 days ago
Most Expensive
Queensmith
6551653089 · Oct 28
$8,530 CAD
£4,775 GBP
View
Price last confirmed 9 days ago
20 more retailers have this diamond
Prices start from $3,366 CADSave up to $4,065 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
$3,366 CAD