Round|Natural|GIA

1.20ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2538469749

Certificate GIA 2538469749

Diamond specifications and retailer prices

From $3,933 CAD
As of November 6, 2026
Save $4,617 CAD (54%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $9,037 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2538469749. Listed at 22 retailers as of November 2, 2026, with a 117% 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2538469749
Dimensions6.85 × 6.81 × 4.21 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.85 mm6.81 mm1.20 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2538469749
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.6%

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: $9,037 CAD|Low: $3,933 CAD|High: $9,072 CAD|Avg: $5,813 CAD|+2.2%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 9$3,933 CAD
Retailer 6$4,107 CAD
Retailer 2$4,591 CAD
Retailer 3$4,626 CAD
Retailer 10$4,718 CAD
Retailer 5$5,310 CAD
Retailer 11$5,476 CAD
Retailer 4$5,961 CAD
Retailer 8$6,283 CAD
Retailer 7$8,550 CAD
Queensmith$9,037 CAD

33 data points across 11 retailers

22 retailers$3,933 CAD to $8,550 CAD

A
Cheapest Retailer
-
$3,933 CAD
A
Retailer 2
-
$4,107 CAD
View
B+
Retailer 3
-
$4,591 CAD
View
B+
Retailer 4
-
$4,626 CAD
View
Retailer 5
-
$4,669 CAD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$4,718 CAD
View
Final sale: no returns
B+
Retailer 7
-
$4,792 CAD
View
B+
Retailer 8
-
$4,797 CAD
View
Retailer 9
-
$4,964 CAD
View
Price last confirmed 10 days ago
Retailer 10
-
$5,113 CAD
View
Price last confirmed 25 days ago
Retailer 11
-
$5,113 CAD
View
Price last confirmed 39 days ago
B+
Retailer 12
-
$5,126 CAD
View
B+
Retailer 13
-
$5,310 CAD
View
B
Retailer 14
-
$5,315 CAD
View
Retailer 15
-
$5,476 CAD
View
Price last confirmed 29 days ago
Retailer 16
-
$5,899 CAD
View
Price last confirmed 38 days ago
B+
Retailer 17
-
$5,961 CAD
View
B
Retailer 18
-
$6,283 CAD
View
B
Retailer 19
-
$8,550 CAD
View
Retailer 20
-
$8,908 CAD
View
Price last confirmed 34 days ago
Retailer 21
-
$8,908 CAD
View
Price last confirmed 41 days ago
Most Expensive
Queensmith
2538469749 · Oct 28
$9,037 CAD
£5,095 GBP
View
Price last confirmed 8 days ago
21 more retailers have this diamond
Prices start from $3,933 CADSave up to $4,617 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
$3,933 CAD