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Round|Natural|GIA

1.20ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 5543335043

Certificate GIA 5543335043

Diamond specifications and retailer prices

From $3,878 CAD
As of November 6, 2026
Save $4,969 CAD (56%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $9,010 CAD at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5543335043. Listed at 20 retailers as of November 5, 2026, with a 128% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
D
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 5543335043
Dimensions6.82 × 6.78 × 4.23 mm
L/W Ratio1.01
Top View
6.82 mm6.78 mm1.20 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5543335043
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $9,010 CAD|Low: $3,878 CAD|High: $9,046 CAD|Avg: $5,903 CAD|+2.6%
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
Retailer 15
November 6, 2026
Retailer 4$3,878 CAD
Retailer 10$4,028 CAD
Retailer 11$4,514 CAD
Retailer 15$4,598 CAD
Retailer 2$4,859 CAD
Retailer 3$5,078 CAD
Retailer 7$5,078 CAD
Retailer 12$5,223 CAD
Retailer 14$5,274 CAD
Retailer 8$5,381 CAD
Retailer 5$5,860 CAD
Retailer 9$5,912 CAD
Retailer 13$8,470 CAD
Retailer 6$8,847 CAD
Queensmith$9,010 CAD

25 data points across 15 retailers

20 retailers$3,878 CAD to $8,847 CAD

A
Cheapest Retailer
-
$3,878 CAD
A
Retailer 2
-
$4,028 CAD
View
A
Retailer 3
-
$4,514 CAD
View
A
Retailer 4
-
$4,598 CAD
View
A
Retailer 5
-
$4,687 CAD
View
Final sale: no returns
A
Retailer 6
-
$4,751 CAD
View
A
Retailer 7
-
$4,859 CAD
View
Retailer 8
-
$5,078 CAD
View
Price last confirmed 12 days ago
B+
Retailer 9
-
$5,078 CAD
View
A
Retailer 10
-
$5,223 CAD
View
B+
Retailer 11
-
$5,274 CAD
View
B+
Retailer 12
-
$5,281 CAD
View
B+
Retailer 13
-
$5,381 CAD
View
B+
Retailer 14
-
$5,440 CAD
View
B+
Retailer 15
-
$5,860 CAD
View
B+
Retailer 16
-
$5,912 CAD
View
B
Retailer 17
-
$8,470 CAD
View
B
Retailer 18
-
$8,847 CAD
View
Retailer 19
-
$8,847 CAD
View
Price last confirmed 20 days ago
Most Expensive
Queensmith
5543335043 · Oct 28
$9,010 CAD
£5,080 GBP
View
Price last confirmed 8 days ago
19 more retailers have this diamond
Prices start from $3,878 CADSave up to $4,969 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 Round
$3,878 CAD