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Round|Natural|GIA

1.51ct F SI2 Round Natural Diamond

GD • F/SI2 • GIA 6501387534

Certificate GIA 6501387534

Diamond specifications and retailer prices

From $4,238 CAD
HK$23,700 HKD
As of November 1, 2026
Save $5,516 CAD (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $9,753 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 F colour (colourless) and SI2 clarity (slightly-included), with a standard cut grade and certified by GIA 6501387534. Listed at 14 retailers as of October 30, 2026, with prices from $4,238 to $9,753, a $5,516 spread on the same certified stone. NZ Jewellers lists it at $9,753. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
F
Color
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle40°
Pavilion angle39.6°
OriginNatural
Grading LabGIA
CertificateGIA 6501387534
Dimensions7.00 × 6.94 × 4.62 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.00 mm6.94 mm1.51 ctF / SI2
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6501387534
Side View
Table 55.0%Crown 40°Girdle: THK-VTKPavilion 39.6°Culet: NoneDepth 66.6%

Caratlytics Score

How it works →
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: Nov 1
Current: $9,753 CAD|Low: $4,080 CAD|High: $10,234 CAD|Avg: $5,738 CAD|-4.7%
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
November 2, 2026
Retailer 10$4,238 CAD
Retailer 13$4,287 CAD
Retailer 3$4,393 CAD
Retailer 9$4,459 CAD
Retailer 11$4,502 CAD
Retailer 4$4,681 CAD
Retailer 5$5,071 CAD
Retailer 14$5,071 CAD
Retailer 15$5,266 CAD
Retailer 7$5,832 CAD
Retailer 12$5,852 CAD
Retailer 2$6,152 CAD
Retailer 6$6,394 CAD
Retailer 8$9,362 CAD
NZ Jewellers$9,753 CAD

37 data points across 15 retailers

14 retailers$4,238 CAD to $9,753 CAD

A
Cheapest Retailer
-
$4,238 CAD
HK$23,700 HKD
A
Retailer 2
-
$4,287 CAD
$3,069 USD
View
A
Retailer 3
-
$4,393 CAD
$3,145 USD
View
A
Retailer 4
-
$4,459 CAD
$3,192 USD
View
A
Retailer 5
-
$4,502 CAD
$3,223 USD
View
B+
Retailer 6
-
$4,681 CAD
$3,351 USD
View
Final sale: no returns
B+
Retailer 7
-
$5,071 CAD
$3,630 USD
View
B+
Retailer 8
-
$5,071 CAD
$3,630 USD
View
B+
Retailer 9
-
$5,266 CAD
$3,770 USD
View
B+
Retailer 10
-
$5,852 CAD
$4,189 USD
View
B+
Retailer 11
-
$6,152 CAD
€4,194 EUR
View
Retailer 12
-
$6,394 CAD
$4,577 USD
View
Price last confirmed 10 days ago
B+
Retailer 13
-
$9,362 CAD
£5,277 GBP
View
Most Expensive
B+
NZ Jewellers
2152540f-a55c-4b61-ad3a-67354a5952d5 · Oct 30
$9,753 CAD
$6,982 USD
View
13 more retailers have this diamond
Prices start from $4,238 CADSave up to $5,516 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
$4,238 CAD