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1.51ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 1559762644

Certificate GIA 1559762644

Diamond specifications and retailer prices

From $6,730 CAD
$4,818 USD
As of October 30, 2026
Save $8,169 CAD (55%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $14,899 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 1559762644. Listed at 20 retailers as of October 30, 2026, with prices from $6,730 to $14,899, a $8,169 spread on the same certified stone. NZ Jewellers lists it at $14,899. 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
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1559762644
Dimensions7.28 × 7.33 × 4.56 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.28 mm7.33 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559762644
Side View
Table 59.0%Crown 36°Girdle: STK-STKPavilion 41°Culet: NoneDepth 62.4%

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: $14,899 CAD|Low: $6,730 CAD|High: $14,899 CAD|Avg: $9,481 CAD|+17.3%
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
October 30, 2026
Retailer 7$6,730 CAD
Retailer 6$7,039 CAD
Retailer 14$7,075 CAD
Retailer 5$7,450 CAD
Retailer 3$8,071 CAD
Retailer 12$8,071 CAD
Retailer 13$8,071 CAD
Retailer 9$8,488 CAD
Retailer 4$9,312 CAD
Retailer 2$9,735 CAD
Retailer 8$10,791 CAD
Retailer 10$13,195 CAD
Retailer 11$13,909 CAD
NZ Jewellers$14,899 CAD

22 data points across 14 retailers

20 retailers$6,730 CAD to $14,899 CAD

A
Cheapest Retailer
-
$6,730 CAD
$4,818 USD
A
Retailer 2
-
$7,039 CAD
$5,039 USD
View
A
Retailer 3
-
$7,075 CAD
$5,065 USD
View
B+
Retailer 4
-
$7,450 CAD
$5,333 USD
View
Final sale: no returns
B+
Retailer 5
-
$7,967 CAD
$5,703 USD
View
B+
Retailer 6
-
$8,071 CAD
$5,778 USD
View
B+
Retailer 7
-
$8,071 CAD
$5,778 USD
View
B+
Retailer 8
-
$8,071 CAD
$5,778 USD
View
B+
Retailer 9
-
$8,112 CAD
$5,807 USD
View
B+
Retailer 10
-
$8,488 CAD
£4,785 GBP
View
B+
Retailer 11
-
$8,661 CAD
$6,200 USD
View
B+
Retailer 12
-
$8,661 CAD
$6,200 USD
View
B+
Retailer 13
-
$8,940 CAD
$6,400 USD
View
B+
Retailer 14
-
$9,312 CAD
$6,666 USD
View
B+
Retailer 15
-
$9,735 CAD
€6,637 EUR
View
Retailer 16
-
$9,824 CAD
$7,033 USD
View
Price last confirmed 15 days ago
B+
Retailer 17
-
$10,791 CAD
£6,083 GBP
View
B
Retailer 18
-
$13,195 CAD
£7,438 GBP
View
B
Retailer 19
-
$13,909 CAD
£7,840 GBP
View
Most Expensive
B
NZ Jewellers
acae055a-3203-40ce-bc1b-966d8c4cac9b · Oct 30
$14,899 CAD
$10,666 USD
View
19 more retailers have this diamond
Prices start from $6,730 CADSave up to $8,169 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
$6,730 CAD