Round|Natural|GIA

1.20ct H SI1 Round Natural Diamond

VG • H/SI1 • GIA 6432543536

Certificate GIA 6432543536

Diamond specifications and retailer prices

From $3,652 CAD
As of October 31, 2026
Save $5,550 CAD (60%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $9,202 CAD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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 SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 6432543536. Listed at 21 retailers as of October 31, 2026, with prices from $3,652 to $9,202, a $5,550 spread on the same certified stone. Diamond Quarter lists it at $9,202. 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
H
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6432543536
Dimensions6.72 × 6.64 × 4.27 mm
L/W Ratio1.01
Top View
6.72 mm6.64 mm1.20 ctH / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6432543536
Side View
Table 55.0%Crown 36.5°Girdle: THN-THKPavilion 40.6°Culet: NoneDepth 64.0%

Caratlytics Score

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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: Oct 31
Current: $5,133 CAD|Low: $3,644 CAD|High: $8,514 CAD|Avg: $5,246 CAD
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 8$3,652 CAD
Retailer 9$3,700 CAD
Retailer 11$4,466 CAD
Retailer 10$4,642 CAD
Retailer 1$5,133 CAD
Retailer 4$5,173 CAD
Retailer 3$5,223 CAD
Retailer 7$5,332 CAD
Retailer 2$5,387 CAD
Retailer 5$6,139 CAD
Retailer 6$8,389 CAD

42 data points across 11 retailers

21 retailers$3,652 CAD to $9,202 CAD

A
Cheapest Retailer
-
$3,652 CAD
A
Retailer 2
-
$3,700 CAD
View
B+
Retailer 3
-
$4,369 CAD
View
B+
Retailer 4
-
$4,466 CAD
View
B+
Retailer 5
-
$4,642 CAD
View
Final sale: no returns
Retailer 6
-
$4,753 CAD
View
Price last confirmed 102 days ago
B
Retailer 7
-
$4,832 CAD
View
B
Retailer 8
-
$5,031 CAD
View
Retailer 9
-
$5,031 CAD
View
Price last confirmed 8 days ago
B
Retailer 10
-
$5,133 CAD
View
B
Retailer 11
-
$5,173 CAD
View
B
Retailer 12
-
$5,223 CAD
View
B
Retailer 13
-
$5,232 CAD
View
B
Retailer 14
-
$5,324 CAD
View
B
Retailer 15
-
$5,332 CAD
View
Retailer 16
-
$5,387 CAD
View
Price last confirmed 29 days ago
B
Retailer 17
-
$5,804 CAD
View
B
Retailer 18
-
$6,139 CAD
View
B
Retailer 19
-
$8,389 CAD
View
C
Retailer 20
-
$8,764 CAD
View
Most Expensive
C
Diamond Quarter
1.2SI1H64364817N · Nov 5
$9,202 CAD
£5,188 GBP
View
20 more retailers have this diamond
Prices start from $3,652 CADSave up to $5,550 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
$3,652 CAD