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Round|Natural|GIA

1.20ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1529902177

Certificate GIA 1529902177

Diamond specifications and retailer prices

From $3,235 CAD
As of November 6, 2026
Save $5,491 CAD (63%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $8,726 CAD at NZ Jewellers · As of November 5, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1529902177. Listed at 23 retailers as of November 5, 2026, with prices from $3,235 to $8,726, a $5,491 spread on the same certified stone. NZ Jewellers lists it at $8,726. 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 angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1529902177
Dimensions6.76 × 6.73 × 4.23 mm
L/W Ratio1.00
Star length55%
Lower girdle75%
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
6.76 mm6.73 mm1.20 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1529902177
Side View
Table 56.0%Crown 36.5°Girdle: STK-STKPavilion 40.6°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: $8,726 CAD|Low: $3,218 CAD|High: $8,726 CAD|Avg: $4,732 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
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Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 6, 2026
Retailer 4$3,235 CAD
Retailer 13$3,426 CAD
Retailer 20$3,702 CAD
Retailer 14$3,737 CAD
Retailer 11$3,852 CAD
Retailer 16$3,994 CAD
Retailer 3$4,064 CAD
Retailer 9$4,071 CAD
Retailer 8$4,156 CAD
Retailer 6$4,174 CAD
Retailer 7$4,174 CAD
Retailer 10$4,246 CAD
Retailer 5$4,373 CAD
Retailer 18$4,392 CAD
Retailer 17$4,507 CAD
Retailer 21$4,737 CAD
Retailer 12$4,815 CAD
Retailer 19$5,095 CAD
Retailer 15$6,098 CAD
Retailer 2$6,644 CAD
Retailer 22$6,961 CAD
NZ Jewellers$8,726 CAD

21 data points across 22 retailers

23 retailers$3,235 CAD to $8,726 CAD

A
Cheapest Retailer
-
$3,235 CAD
A
Retailer 2
-
$3,426 CAD
View
A
Retailer 3
-
$3,702 CAD
View
A
Retailer 4
-
$3,737 CAD
View
A
Retailer 5
-
$3,852 CAD
View
Final sale: no returns
A
Retailer 6
-
$3,994 CAD
View
A
Retailer 7
-
$4,064 CAD
View
B+
Retailer 8
-
$4,071 CAD
View
B+
Retailer 9
-
$4,156 CAD
View
Retailer 10
-
$4,174 CAD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$4,174 CAD
View
B+
Retailer 12
-
$4,246 CAD
View
B+
Retailer 13
-
$4,373 CAD
View
B+
Retailer 14
-
$4,392 CAD
View
B+
Retailer 15
-
$4,507 CAD
View
Retailer 16
-
$4,659 CAD
View
Price last confirmed 33 days ago
B+
Retailer 17
-
$4,737 CAD
View
B+
Retailer 18
-
$4,815 CAD
View
B+
Retailer 19
-
$5,095 CAD
View
B
Retailer 20
-
$6,098 CAD
View
B
Retailer 21
-
$6,644 CAD
View
B
Retailer 22
-
$6,961 CAD
View
Most Expensive
B
NZ Jewellers
70207aa8-05a6-449f-be79-1473d28e1b34 · Nov 5
$8,726 CAD
$6,248 USD
View
22 more retailers have this diamond
Prices start from $3,235 CADSave up to $5,491 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
$3,235 CAD