Round|Natural|GIA

1.51ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2524946820

Certificate GIA 2524946820

Diamond specifications and retailer prices

From $6,905 CAD
$4,943 USD
As of October 30, 2026
Save $8,134 CAD (54%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $15,039 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 2524946820. Listed at 16 retailers as of October 30, 2026, with prices from $6,905 to $15,039, a $8,134 spread on the same certified stone. NZ Jewellers lists it at $15,039. 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
FluorescenceFaint
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2524946820
Dimensions7.33 × 7.28 × 4.56 mm
L/W Ratio1.01
Top View
7.33 mm7.28 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2524946820
Side View
Table 57.0%Crown 35°Girdle: Slightly ThickPavilion 41.2°Culet: NoneDepth 62.6%

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: Oct 30
Current: $8,568 CAD|Low: $6,518 CAD|High: $13,407 CAD|Avg: $9,063 CAD|+1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 4$7,105 CAD
Retailer 5$7,518 CAD
Retailer 6$8,145 CAD
Retailer 1$8,568 CAD
Retailer 2$9,312 CAD
Retailer 3$13,318 CAD

40 data points across 6 retailers

16 retailers$6,905 CAD to $15,039 CAD

A
Cheapest Retailer
-
$6,905 CAD
$4,943 USD
A
Retailer 2
-
$7,105 CAD
$5,086 USD
View
B+
Retailer 3
-
$7,518 CAD
$5,382 USD
View
Final sale: no returns
B+
Retailer 4
-
$8,040 CAD
$5,755 USD
View
B+
Retailer 5
-
$8,145 CAD
$5,831 USD
View
B+
Retailer 6
-
$8,145 CAD
$5,831 USD
View
B+
Retailer 7
-
$8,145 CAD
$5,831 USD
View
B+
Retailer 8
-
$8,568 CAD
£4,829 GBP
View
B+
Retailer 9
-
$8,926 CAD
$6,390 USD
View
B+
Retailer 10
-
$8,926 CAD
$6,390 USD
View
B+
Retailer 11
-
$9,220 CAD
$6,600 USD
View
B+
Retailer 12
-
$9,312 CAD
€6,349 EUR
View
B+
Retailer 13
-
$9,398 CAD
$6,728 USD
View
Retailer 14
-
$9,914 CAD
$7,097 USD
View
Price last confirmed 8 days ago
B
Retailer 15
-
$13,318 CAD
£7,507 GBP
View
Most Expensive
B
NZ Jewellers
c22c7d8a-13a1-4e3d-9dcf-84d9a624c886 · Oct 30
$15,039 CAD
$10,766 USD
View
15 more retailers have this diamond
Prices start from $6,905 CADSave up to $8,134 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
$6,905 CAD