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Round|Natural|GIA

1.51ct N SI1 Round Natural Diamond

VG • N/SI1 • GIA 2225163808

Certificate GIA 2225163808

Diamond specifications and retailer prices

From $3,471 CAD
As of November 5, 2026
Save $4,610 CAD (57%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $8,081 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 N colour (tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 2225163808. Listed at 9 retailers as of November 5, 2026, with prices from $3,471 to $8,081, a $4,610 spread on the same certified stone. NZ Jewellers lists it at $8,081. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
N
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceMedium
Crown angle36°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2225163808
Dimensions7.16 × 7.21 × 4.61 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Girdle conditionFaceted
Culet sizeNone
Top View
7.16 mm7.21 mm1.51 ctN / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2225163808
Side View
Table 59.0%Crown 36°Girdle: STK-THKPavilion 41.4°Culet: NoneDepth 64.1%

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 5
Current: $8,081 CAD|Low: $2,566 CAD|High: $8,081 CAD|Avg: $4,367 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 10$2,566 CAD
Retailer 9$3,471 CAD
Retailer 5$3,501 CAD
Retailer 7$3,501 CAD
Retailer 4$3,663 CAD
Retailer 6$4,040 CAD
Retailer 2$4,490 CAD
Retailer 3$4,718 CAD
Retailer 8$5,567 CAD
NZ Jewellers$8,081 CAD

21 data points across 10 retailers

9 retailers$3,471 CAD to $8,081 CAD

B+
Cheapest Retailer
-
$3,471 CAD
Retailer 2
-
$3,501 CAD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$3,501 CAD
View
B+
Retailer 4
-
$3,663 CAD
View
B
Retailer 5
-
$4,040 CAD
View
B
Retailer 6
-
$4,490 CAD
View
B
Retailer 7
-
$4,718 CAD
View
B
Retailer 8
-
$5,567 CAD
View
Most Expensive
C
NZ Jewellers
0d200bc3-f88b-48ea-9fd2-083b995f5b2c · Nov 5
$8,081 CAD
$5,786 USD
View
8 more retailers have this diamond
Prices start from $3,471 CADSave up to $4,610 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
$3,471 CAD