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Round|Natural|GIA

1.51ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 1519562206

Certificate GIA 1519562206

Diamond specifications and retailer prices

From $5,822 CAD
As of November 6, 2026
Save $7,032 CAD (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $12,854 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 1519562206. Listed at 19 retailers as of November 5, 2026, with prices from $5,822 to $12,854, a $7,032 spread on the same certified stone. NZ Jewellers lists it at $12,854. 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
FluorescenceNone
Crown angle34.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1519562206
Dimensions7.31 × 7.34 × 4.50 mm
L/W Ratio1.00
Star length45%
Lower girdle75%
Girdle conditionFaceted
Culet sizeNone
Top View
7.31 mm7.34 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1519562206
Side View
Table 61.0%Crown 34.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.4%

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 6
Current: $10,145 CAD|Low: $5,822 CAD|High: $12,388 CAD|Avg: $8,753 CAD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 5$5,822 CAD
Retailer 2$7,377 CAD
Retailer 3$8,144 CAD
Retailer 1$10,145 CAD
Retailer 4$12,208 CAD

44 data points across 5 retailers

19 retailers$5,822 CAD to $12,854 CAD

B+
Cheapest Retailer
-
$5,822 CAD
B+
Retailer 2
-
$5,903 CAD
View
B+
Retailer 3
-
$6,072 CAD
View
B+
Retailer 4
-
$6,146 CAD
View
B+
Retailer 5
-
$6,480 CAD
View
B+
Retailer 6
-
$6,898 CAD
View
Retailer 7
-
$6,963 CAD
View
Price last confirmed 8 days ago
B
Retailer 8
-
$6,963 CAD
View
B
Retailer 9
-
$6,963 CAD
View
B
Retailer 10
-
$7,082 CAD
View
B
Retailer 11
-
$7,335 CAD
View
B
Retailer 12
-
$7,377 CAD
View
B
Retailer 13
-
$8,035 CAD
View
B
Retailer 14
-
$8,144 CAD
View
Retailer 15
-
$8,480 CAD
View
Price last confirmed 14 days ago
B
Retailer 16
-
$10,145 CAD
View
B
Retailer 17
-
$11,130 CAD
View
B
Retailer 18
-
$12,208 CAD
View
Most Expensive
C
NZ Jewellers
67ce5f8e-58e4-4c56-af8b-5abe8657d6f5 · Nov 5
$12,854 CAD
$9,204 USD
View
18 more retailers have this diamond
Prices start from $5,822 CADSave up to $7,032 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
$5,822 CAD