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Round|Natural|GIA

1.51ct K I1 Round Natural Diamond

EX • K/I1 • GIA 6415821107

Certificate GIA 6415821107

Diamond specifications and retailer prices

From $4,141 CAD
As of November 5, 2026
Save $5,398 CAD (57%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $9,539 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 I1 clarity (included), with a top-tier cut grade and certified by GIA 6415821107. Listed at 8 retailers as of November 5, 2026, with prices from $4,141 to $9,539, a $5,398 spread on the same certified stone. NZ Jewellers lists it at $9,539. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
K
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6415821107
Dimensions7.37 × 7.39 × 4.57 mm
L/W Ratio1.00
Top View
7.37 mm7.39 mm1.51 ctK / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6415821107
Side View
Table 58.0%Crown 33.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.8%

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 5
Current: $9,539 CAD|Low: $4,141 CAD|High: $9,539 CAD|Avg: $5,710 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 3$4,141 CAD
Retailer 7$4,818 CAD
Retailer 9$5,110 CAD
Retailer 4$5,475 CAD
Retailer 5$5,475 CAD
Retailer 6$5,475 CAD
Retailer 2$6,146 CAD
Retailer 8$6,317 CAD
NZ Jewellers$9,539 CAD

43 data points across 9 retailers

8 retailers$4,141 CAD to $9,539 CAD

A
Cheapest Retailer
-
$4,141 CAD
B+
Retailer 2
-
$4,818 CAD
View
Retailer 3
-
$5,475 CAD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$5,475 CAD
View
B+
Retailer 5
-
$5,475 CAD
View
B
Retailer 6
-
$6,146 CAD
View
B
Retailer 7
-
$6,317 CAD
View
Most Expensive
C
NZ Jewellers
0ff528ff-8f04-46f5-aefe-607847c55df1 · Nov 5
$9,539 CAD
$6,830 USD
View
7 more retailers have this diamond
Prices start from $4,141 CADSave up to $5,398 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
1.51ct Round
$4,141 CAD