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Round|Natural|GIA

1.51ct K I1 Round Natural Diamond

EX • K/I1 • GIA 6422460858

Certificate GIA 6422460858

Diamond specifications and retailer prices

From $4,093 CAD
As of November 6, 2026
Save $5,473 CAD (57%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $9,567 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 6422460858. Listed at 8 retailers as of November 5, 2026, with prices from $4,093 to $9,567, a $5,473 spread on the same certified stone. NZ Jewellers lists it at $9,567. 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
FluorescenceStrong
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6422460858
Dimensions7.33 × 7.30 × 4.57 mm
L/W Ratio1.00
Top View
7.33 mm7.30 mm1.51 ctK / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6422460858
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

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: $9,567 CAD|Low: $4,057 CAD|High: $9,567 CAD|Avg: $5,652 CAD
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
November 5, 2026
Retailer 7$4,093 CAD
Retailer 6$4,281 CAD
Retailer 3$4,416 CAD
Retailer 12$4,468 CAD
Retailer 9$4,975 CAD
Retailer 11$4,975 CAD
Retailer 8$5,166 CAD
Retailer 5$5,244 CAD
Retailer 10$5,740 CAD
Retailer 2$6,166 CAD
Retailer 13$6,533 CAD
Retailer 4$7,765 CAD
NZ Jewellers$9,567 CAD

24 data points across 13 retailers

8 retailers$4,093 CAD to $9,567 CAD

B+
Cheapest Retailer
-
$4,093 CAD
A
Retailer 2
-
$4,281 CAD
View
Retailer 3
-
$4,975 CAD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$4,975 CAD
View
B+
Retailer 5
-
$5,166 CAD
View
B
Retailer 6
-
$5,740 CAD
View
B
Retailer 7
-
$6,166 CAD
View
Most Expensive
C
NZ Jewellers
56c14851-5019-4e7f-a5c6-c9a71134b5aa · Nov 5
$9,567 CAD
$6,850 USD
View
7 more retailers have this diamond
Prices start from $4,093 CADSave up to $5,473 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
$4,093 CAD