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Round|Natural|GIA

1.51ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 1477667158

Certificate GIA 1477667158

Diamond specifications and retailer prices

From $6,258 CAD
As of November 4, 2026
Save $6,112 CAD (49%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $12,370 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 1477667158. Listed at 13 retailers as of November 4, 2026, with prices from $6,258 to $12,370, a $6,112 spread on the same certified stone. NZ Jewellers lists it at $12,370. 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
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1477667158
Dimensions7.35 × 7.30 × 4.56 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Cavity, Cloud, Needle
Top View
7.35 mm7.30 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1477667158
Side View
Table 58.0%Crown 36.5°Girdle: -NUPavilion 41°Culet: NoneDepth 62.2%

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: $9,761 CAD|Low: $6,258 CAD|High: $11,920 CAD|Avg: $8,020 CAD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 7$6,258 CAD
Retailer 6$6,451 CAD
Retailer 5$6,529 CAD
Retailer 3$7,262 CAD
Retailer 8$7,396 CAD
Retailer 2$7,861 CAD
Retailer 1$9,761 CAD
Retailer 4$11,747 CAD

44 data points across 8 retailers

13 retailers$6,258 CAD to $12,370 CAD

B+
Cheapest Retailer
-
$6,258 CAD
B+
Retailer 2
-
$6,451 CAD
View
B+
Retailer 3
-
$6,529 CAD
View
B+
Retailer 4
-
$7,262 CAD
View
B
Retailer 5
-
$7,342 CAD
View
B
Retailer 6
-
$7,396 CAD
View
B
Retailer 7
-
$7,396 CAD
View
B
Retailer 8
-
$7,609 CAD
View
B+
Retailer 9
-
$7,861 CAD
View
B
Retailer 10
-
$8,533 CAD
View
B
Retailer 11
-
$9,761 CAD
View
B
Retailer 12
-
$11,747 CAD
View
Most Expensive
C
NZ Jewellers
97904990-d689-4c74-87d2-ab871c0af8d1 · Nov 5
$12,370 CAD
$8,857 USD
View
12 more retailers have this diamond
Prices start from $6,258 CADSave up to $6,112 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
$6,258 CAD