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Round|Natural|IGI

1.51ct K SI1 Round Natural Diamond

VG • K/SI1 • IGI 754512197

Shape and cutting style on the report: Round brilliant

Certificate IGI 754512197

Diamond specifications and retailer prices

From $2,864 CAD
As of November 6, 2026
Save $4,563 CAD (61%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $7,427 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 754512197. Listed at 20 retailers as of November 5, 2026, with prices from $2,864 to $7,427, a $4,563 spread on the same certified stone. NZ Jewellers lists it at $7,427. 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
K
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.7°
Pavilion angle40.2°
OriginNatural
Grading LabIGI
CertificateIGI 754512197
Dimensions7.09 × 7.13 × 4.61 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.09 mm7.13 mm1.51 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 754512197
Side View
Table 57.0%Crown 38.7°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 64.8%

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 6
Current: $7,427 CAD|Low: $2,864 CAD|High: $7,427 CAD|Avg: $4,115 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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 2$2,864 CAD
Retailer 19$3,066 CAD
Retailer 10$3,209 CAD
Retailer 3$3,212 CAD
Retailer 17$3,229 CAD
Retailer 5$3,553 CAD
Retailer 7$3,553 CAD
Retailer 8$3,640 CAD
Retailer 6$3,716 CAD
Retailer 4$3,748 CAD
Retailer 14$3,804 CAD
Retailer 13$3,869 CAD
Retailer 9$3,998 CAD
Retailer 11$4,099 CAD
Retailer 15$4,167 CAD
Retailer 16$4,336 CAD
Retailer 18$4,408 CAD
Retailer 12$5,465 CAD
Retailer 20$6,223 CAD
NZ Jewellers$7,427 CAD

23 data points across 20 retailers

20 retailers$2,864 CAD to $7,427 CAD

A
Cheapest Retailer
-
$2,864 CAD
A
Retailer 2
-
$3,066 CAD
View
B+
Retailer 3
-
$3,209 CAD
View
A
Retailer 4
-
$3,212 CAD
View
A
Retailer 5
-
$3,229 CAD
View
B+
Retailer 6
-
$3,553 CAD
View
Retailer 7
-
$3,553 CAD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$3,640 CAD
View
B+
Retailer 9
-
$3,716 CAD
View
B+
Retailer 10
-
$3,748 CAD
View
B+
Retailer 11
-
$3,804 CAD
View
B+
Retailer 12
-
$3,869 CAD
View
B+
Retailer 13
-
$3,998 CAD
View
B+
Retailer 14
-
$4,099 CAD
View
B+
Retailer 15
-
$4,167 CAD
View
B+
Retailer 16
-
$4,336 CAD
View
B+
Retailer 17
-
$4,408 CAD
View
B+
Retailer 18
-
$5,465 CAD
View
B+
Retailer 19
-
$6,223 CAD
View
Most Expensive
B
NZ Jewellers
bbce782d-a238-4417-9b66-8eb95b477819 · Nov 5
$7,427 CAD
$5,318 USD
View
19 more retailers have this diamond
Prices start from $2,864 CADSave up to $4,563 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
$2,864 CAD