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1.25ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 3445509139

Certificate GIA 3445509139

Diamond specifications and retailer prices

From $5,089 CAD
As of November 6, 2026
Save $5,929 CAD (54%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $11,018 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.25ct natural round diamond

This 1.25ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3445509139. Listed at 9 retailers as of November 5, 2026, with prices from $5,089 to $11,018, a $5,929 spread on the same certified stone. NZ Jewellers lists it at $11,018. 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

1.25
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle33°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 3445509139
Dimensions6.94 × 6.99 × 4.18 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Indented Natural, Natural
Top View
6.94 mm6.99 mm1.25 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 3445509139
Side View
Table 60.0%Crown 33°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.9%

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: $11,018 CAD|Low: $5,729 CAD|High: $11,018 CAD|Avg: $7,278 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$5,729 CAD
Retailer 6$5,729 CAD
Retailer 8$5,729 CAD
Retailer 2$6,247 CAD
Retailer 7$6,612 CAD
Retailer 3$6,751 CAD
Retailer 4$10,046 CAD
NZ Jewellers$11,018 CAD

41 data points across 8 retailers

9 retailers$5,089 CAD to $11,018 CAD

A
Cheapest Retailer
-
$5,089 CAD
A
Retailer 2
-
$5,459 CAD
View
A
Retailer 3
-
$5,729 CAD
View
A
Retailer 4
-
$5,729 CAD
View
B+
Retailer 5
-
$6,247 CAD
View
B+
Retailer 6
-
$6,612 CAD
View
B+
Retailer 7
-
$6,751 CAD
View
B
Retailer 8
-
$10,046 CAD
View
Most Expensive
B
NZ Jewellers
a9effd68-5fd5-4094-8b4f-c0be34993963 · Nov 5
$11,018 CAD
$7,889 USD
View
8 more retailers have this diamond
Prices start from $5,089 CADSave up to $5,929 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
1.25ct Round
$5,089 CAD