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Round|Natural|GIA

0.81ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 3425192437

Certificate GIA 3425192437

Diamond specifications and retailer prices

From $845 CAD
As of November 5, 2026
Save $2,656 CAD (76%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,501 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.81ct natural round diamond

This 0.81ct natural round sits in the just-under-one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3425192437. Listed at 19 retailers as of November 5, 2026, with prices from $845 to $3,501, a $2,656 spread on the same certified stone. NZ Jewellers lists it at $3,501. 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

0.81
Carat
K
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 3425192437
Dimensions6.01 × 5.99 × 3.68 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.01 mm5.99 mm0.81 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3425192437
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.3%

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: Nov 5
Current: $3,501 CAD|Low: $845 CAD|High: $3,571 CAD|Avg: $1,395 CAD|-2.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 15$845 CAD
Retailer 10$858 CAD
Retailer 8$1,101 CAD
Retailer 3$1,116 CAD
Retailer 16$1,133 CAD
Retailer 9$1,141 CAD
Retailer 5$1,159 CAD
Retailer 18$1,162 CAD
Retailer 11$1,190 CAD
Retailer 4$1,288 CAD
Retailer 17$1,302 CAD
Retailer 12$1,314 CAD
Retailer 7$1,327 CAD
Retailer 14$1,338 CAD
Retailer 2$1,473 CAD
Retailer 13$1,485 CAD
Retailer 6$2,052 CAD
NZ Jewellers$3,501 CAD

16 data points across 18 retailers

19 retailers$845 CAD to $3,501 CAD

A
Cheapest Retailer
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$845 CAD
A
Retailer 2
-
$858 CAD
View
A
Retailer 3
-
$1,101 CAD
View
A
Retailer 4
-
$1,116 CAD
View
A
Retailer 5
-
$1,133 CAD
View
Retailer 6
-
$1,141 CAD
View
Price last confirmed 8 days ago
A
Retailer 7
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$1,159 CAD
View
A
Retailer 8
-
$1,162 CAD
View
A
Retailer 9
-
$1,190 CAD
View
Retailer 10
-
$1,264 CAD
View
Price last confirmed 30 days ago
A
Retailer 11
-
$1,288 CAD
View
A
Retailer 12
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$1,302 CAD
View
A
Retailer 13
-
$1,314 CAD
View
A
Retailer 14
-
$1,327 CAD
View
A
Retailer 15
-
$1,338 CAD
View
A
Retailer 16
-
$1,473 CAD
View
B+
Retailer 17
-
$1,485 CAD
View
B
Retailer 18
-
$2,052 CAD
View
Most Expensive
B
NZ Jewellers
e5fc6c79-4b1a-4ec2-b2f7-f794fd5eedf2 · Nov 5
$3,501 CAD
$2,507 USD
View
18 more retailers have this diamond
Prices start from $845 CADSave up to $2,656 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
0.81ct Round
$845 CAD