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Round|Natural|GIA

1.20ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 1557783394

Certificate GIA 1557783394

Diamond specifications and retailer prices

From $3,145 CAD
As of November 6, 2026
Save $3,806 CAD (55%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $8,713 CAD at NZ Jewellers · As of October 17, 2026
View at NZ Jewellers

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1557783394. Listed at 20 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. 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
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1557783394
Dimensions6.81 × 6.88 × 4.12 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Knot, Feather, Crystal, Needle, Indented Natural
Top View
6.81 mm6.88 mm1.20 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1557783394
Side View
Table 61.0%Crown 33.5°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 60.1%

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: $3,253 CAD|Low: $3,145 CAD|High: $8,292 CAD|Avg: $4,810 CAD|-3.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9$3,145 CAD
Retailer 1$3,253 CAD
Retailer 2$3,846 CAD
Retailer 3$3,878 CAD
Retailer 7$3,934 CAD
Retailer 4$4,364 CAD
Retailer 5$4,385 CAD
Retailer 6$4,842 CAD
Retailer 8$6,951 CAD
Retailer 10$8,265 CAD

28 data points across 10 retailers

20 retailers$3,145 CAD to $6,951 CAD

A
Cheapest Retailer
-
$3,145 CAD
A
Retailer 2
-
$3,253 CAD
View
A
Retailer 3
-
$3,846 CAD
View
Final sale: no returns
A
Retailer 4
-
$3,878 CAD
View
B+
Retailer 5
-
$3,885 CAD
View
A
Retailer 6
-
$3,934 CAD
View
Retailer 7
-
$4,167 CAD
View
Price last confirmed 39 days ago
Retailer 8
-
$4,167 CAD
View
Price last confirmed 17 days ago
Retailer 9
-
$4,167 CAD
View
Price last confirmed 21 days ago
B+
Retailer 10
-
$4,232 CAD
View
Retailer 11
-
$4,328 CAD
View
Price last confirmed 38 days ago
B+
Retailer 12
-
$4,364 CAD
View
B+
Retailer 13
-
$4,366 CAD
View
B+
Retailer 14
-
$4,385 CAD
View
Retailer 15
-
$4,808 CAD
View
Price last confirmed 38 days ago
B+
Retailer 16
-
$4,842 CAD
View
B
Retailer 17
-
$6,951 CAD
View
Retailer 18
-
$8,265 CAD
View
Price last confirmed 9 days ago
Retailer 19
-
$8,713 CAD
View
Price last confirmed 39 days ago
Most Expensive
NZ Jewellers
83cf3036-ce24-4aa2-af83-8270fb94ccc4 · Oct 17
$8,713 CAD
$6,239 USD
View
Price last confirmed 20 days ago
19 more retailers have this diamond
Prices start from $3,145 CADSave up to $3,806 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
$3,145 CAD