Round|Natural|GIA

1.51ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 1525339860

Certificate GIA 1525339860

Diamond specifications and retailer prices

From $9,254 CAD
$6,625 USD
As of October 29, 2026
Save $11,203 CAD (55%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $20,458 CAD at NZ Jewellers · As of September 14, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1525339860. Listed at 28 retailers as of October 29, 2026, with a 121% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
D
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1525339860
Dimensions7.34 × 7.38 × 4.55 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Culet sizeNone
Top View
7.34 mm7.38 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1525339860
Side View
Table 58.0%Crown 33.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $20,458 CAD|Low: $8,087 CAD|High: $20,458 CAD|Avg: $12,158 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
October 30, 2026
Retailer 4$9,577 CAD
Retailer 8$9,704 CAD
Retailer 9$10,228 CAD
Retailer 12$10,229 CAD
Retailer 13$11,082 CAD
Retailer 10$11,252 CAD
Retailer 5$11,266 CAD
Retailer 2$11,321 CAD
Retailer 11$12,365 CAD
Retailer 6$12,714 CAD
Retailer 3$12,786 CAD
Retailer 7$17,137 CAD
NZ Jewellers$20,458 CAD

42 data points across 13 retailers

28 retailers$9,254 CAD to $20,458 CAD

A
Cheapest Retailer
-
$9,254 CAD
$6,625 USD
A
Retailer 2
-
$9,528 CAD
A$10,493 AUD
View
A
Retailer 3
-
$9,577 CAD
$6,856 USD
View
A
Retailer 4
-
$9,704 CAD
$6,947 USD
View
A
Retailer 5
-
$9,826 CAD
$7,034 USD
View
A
Retailer 6
-
$10,228 CAD
$7,322 USD
View
Final sale: no returns
A
Retailer 7
-
$10,229 CAD
$7,323 USD
View
A
Retailer 8
-
$10,896 CAD
$7,800 USD
View
Retailer 9
-
$11,082 CAD
$7,933 USD
View
Price last confirmed 53 days ago
Retailer 10
-
$11,082 CAD
$7,933 USD
View
Price last confirmed 47 days ago
A
Retailer 11
-
$11,082 CAD
$7,933 USD
View
B+
Retailer 12
-
$11,252 CAD
$8,055 USD
View
Retailer 13
-
$11,266 CAD
$8,065 USD
View
Price last confirmed 7 days ago
A
Retailer 14
-
$11,321 CAD
£6,382 GBP
View
B+
Retailer 15
-
$11,322 CAD
$8,105 USD
View
B+
Retailer 16
-
$11,448 CAD
$8,195 USD
View
B+
Retailer 17
-
$11,985 CAD
$8,580 USD
View
B+
Retailer 18
-
$11,985 CAD
$8,580 USD
View
B+
Retailer 19
-
$12,365 CAD
$8,852 USD
View
B+
Retailer 20
-
$12,377 CAD
$8,860 USD
View
B+
Retailer 21
-
$12,714 CAD
€8,668 EUR
View
Retailer 22
-
$12,786 CAD
$9,153 USD
View
Price last confirmed 53 days ago
Retailer 23
-
$12,786 CAD
$9,153 USD
View
Price last confirmed 46 days ago
B+
Retailer 24
-
$12,786 CAD
$9,153 USD
View
B+
Retailer 25
-
$17,137 CAD
£9,660 GBP
View
Retailer 26
-
$20,458 CAD
$14,645 USD
View
Price last confirmed 59 days ago
B
Retailer 27
-
$20,458 CAD
$14,645 USD
View
Most Expensive
NZ Jewellers
56c3b2a2-e2db-4670-8242-ef152f7bc2de · Sep 14
$20,458 CAD
$14,645 USD
View
Price last confirmed 46 days ago
27 more retailers have this diamond
Prices start from $9,254 CADSave up to $11,203 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
$9,254 CAD