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Round|Natural|GIA

1.51ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 7491376602

Certificate GIA 7491376602

Diamond specifications and retailer prices

From $6,465 CAD
As of November 4, 2026
Save $7,222 CAD (53%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $13,687 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7491376602. Listed at 13 retailers as of November 4, 2026, with prices from $6,465 to $13,687, a $7,222 spread on the same certified stone. NZ Jewellers lists it at $13,687. 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

1.51
Carat
K
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 7491376602
Dimensions7.45 × 7.43 × 4.50 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Girdle conditionFaceted
Culet sizeNone
Cert comments
Additional clouds, additional twinning wisps, pinpoints and surface graining are not shown.
Top View
7.45 mm7.43 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7491376602
Side View
Table 60.0%Crown 32.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 60.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $13,687 CAD|Low: $6,536 CAD|High: $13,687 CAD|Avg: $8,988 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 5$6,536 CAD
Retailer 6$7,413 CAD
Retailer 7$7,413 CAD
Retailer 9$7,413 CAD
Retailer 3$7,852 CAD
Retailer 8$8,554 CAD
Retailer 2$8,882 CAD
Retailer 4$12,023 CAD
NZ Jewellers$13,687 CAD

41 data points across 9 retailers

13 retailers$6,465 CAD to $13,687 CAD

B+
Cheapest Retailer
-
$6,465 CAD
B+
Retailer 2
-
$6,536 CAD
View
B+
Retailer 3
-
$6,901 CAD
View
B
Retailer 4
-
$7,334 CAD
View
B
Retailer 5
-
$7,413 CAD
View
Retailer 6
-
$7,413 CAD
View
Price last confirmed 8 days ago
B
Retailer 7
-
$7,413 CAD
View
B+
Retailer 8
-
$7,852 CAD
View
B
Retailer 9
-
$8,554 CAD
View
B
Retailer 10
-
$8,882 CAD
View
Retailer 11
-
$9,026 CAD
View
Price last confirmed 14 days ago
B
Retailer 12
-
$12,023 CAD
View
Most Expensive
C
NZ Jewellers
2c03ce52-d5a5-4a88-aa87-0d9ab6985084 · Nov 5
$13,687 CAD
$9,800 USD
View
12 more retailers have this diamond
Prices start from $6,465 CADSave up to $7,222 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.

B+
1.51ct Round
$6,465 CAD