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Round|Natural|GIA

1.20ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 1549993420

Certificate GIA 1549993420

Diamond specifications and retailer prices

From $2,538 CAD
As of November 6, 2026
Save $3,297 CAD (57%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $7,054 CAD at NZ Jewellers · As of September 28, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1549993420. Listed at 21 retailers as of November 4, 2026, with a 130% 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
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1549993420
Dimensions6.73 × 6.77 × 4.24 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Etch Channel, Crystal, Cloud, Needle
Top View
6.73 mm6.77 mm1.20 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1549993420
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.7%

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: $2,634 CAD|Low: $2,538 CAD|High: $5,915 CAD|Avg: $3,636 CAD|-2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 2$2,538 CAD
Retailer 1$2,634 CAD
Retailer 8$2,957 CAD
Retailer 3$3,151 CAD
Retailer 4$3,195 CAD
Retailer 10$3,512 CAD
Retailer 5$3,525 CAD
Retailer 6$3,831 CAD
Retailer 7$4,077 CAD
Retailer 9$4,144 CAD
Retailer 11$5,835 CAD

26 data points across 11 retailers

21 retailers$2,538 CAD to $5,835 CAD

A
Cheapest Retailer
-
$2,538 CAD
A
Retailer 2
-
$2,634 CAD
View
A
Retailer 3
-
$2,957 CAD
View
B+
Retailer 4
-
$3,151 CAD
View
B+
Retailer 5
-
$3,166 CAD
View
B+
Retailer 6
-
$3,170 CAD
View
B+
Retailer 7
-
$3,195 CAD
View
Retailer 8
-
$3,341 CAD
View
Price last confirmed 25 days ago
Retailer 9
-
$3,341 CAD
View
Price last confirmed 27 days ago
Retailer 10
-
$3,374 CAD
View
Price last confirmed 39 days ago
B+
Retailer 11
-
$3,512 CAD
View
B+
Retailer 12
-
$3,525 CAD
View
Retailer 13
-
$3,531 CAD
View
Price last confirmed 38 days ago
B+
Retailer 14
-
$3,535 CAD
View
B+
Retailer 15
-
$3,831 CAD
View
Retailer 16
-
$3,894 CAD
View
Price last confirmed 38 days ago
B
Retailer 17
-
$4,077 CAD
View
B+
Retailer 18
-
$4,144 CAD
View
B
Retailer 19
-
$5,835 CAD
View
Retailer 20
-
$6,983 CAD
View
Price last confirmed 28 days ago
Most Expensive
NZ Jewellers
161a6c3e-d155-4bbf-a6ce-94c9247895ef · Sep 28
$7,054 CAD
$5,051 USD
View
Price last confirmed 39 days ago
20 more retailers have this diamond
Prices start from $2,538 CADSave up to $3,297 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
$2,538 CAD