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Round|Natural|GIA

1.51ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6542368669

Certificate GIA 6542368669

Diamond specifications and retailer prices

From $8,399 CAD
A$9,250 AUD
As of October 30, 2026
Save $9,684 CAD (54%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $18,083 CAD at NZ Jewellers · As of October 30, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6542368669. Listed at 17 retailers as of October 30, 2026, with prices from $8,399 to $18,083, a $9,684 spread on the same certified stone. NZ Jewellers lists it at $18,083. 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
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6542368669
Dimensions7.29 × 7.34 × 4.59 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.29 mm7.34 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542368669
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.7%

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: Oct 30
Current: $18,083 CAD|Low: $5,962 CAD|High: $18,083 CAD|Avg: $10,922 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
October 31, 2026
Retailer 9$5,962 CAD
Retailer 15$8,542 CAD
Retailer 4$9,041 CAD
Retailer 14$9,041 CAD
Retailer 17$9,795 CAD
Retailer 16$9,946 CAD
Retailer 11$9,978 CAD
Retailer 2$10,124 CAD
Retailer 5$10,854 CAD
Retailer 6$10,854 CAD
Retailer 13$10,898 CAD
Retailer 10$11,177 CAD
Retailer 7$11,217 CAD
Retailer 3$11,301 CAD
Retailer 8$11,913 CAD
Retailer 12$15,149 CAD
NZ Jewellers$18,083 CAD

39 data points across 17 retailers

17 retailers$8,399 CAD to $18,083 CAD

B+
Cheapest Retailer
-
$8,399 CAD
A$9,250 AUD
B+
Retailer 2
-
$8,542 CAD
$6,115 USD
View
B+
Retailer 3
-
$9,041 CAD
$6,472 USD
View
B+
Retailer 4
-
$9,041 CAD
$6,472 USD
View
Final sale: no returns
B+
Retailer 5
-
$9,795 CAD
$7,012 USD
View
B+
Retailer 6
-
$9,946 CAD
$7,120 USD
View
B+
Retailer 7
-
$9,978 CAD
$7,143 USD
View
B+
Retailer 8
-
$10,124 CAD
£5,707 GBP
View
B+
Retailer 9
-
$10,854 CAD
$7,770 USD
View
B+
Retailer 10
-
$10,854 CAD
$7,770 USD
View
B+
Retailer 11
-
$10,898 CAD
$7,801 USD
View
B+
Retailer 12
-
$11,177 CAD
€7,620 EUR
View
B
Retailer 13
-
$11,217 CAD
$8,030 USD
View
B
Retailer 14
-
$11,301 CAD
$8,090 USD
View
Retailer 15
-
$11,913 CAD
$8,528 USD
View
Price last confirmed 8 days ago
B
Retailer 16
-
$15,149 CAD
£8,539 GBP
View
Most Expensive
B
NZ Jewellers
3f48afd1-8abf-450b-a82f-d6648a2087b1 · Oct 30
$18,083 CAD
$12,945 USD
View
16 more retailers have this diamond
Prices start from $8,399 CADSave up to $9,684 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
$8,399 CAD