Oval|Natural|GIA

1.51ct F SI2 Oval Natural Diamond

ID • F/SI2 • GIA 2557576321

Certificate GIA 2557576321

Diamond specifications and retailer prices

From $6,243 CAD
$4,469 USD
As of October 31, 2026
Save $7,260 CAD (54%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $13,502 CAD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557576321. Listed at 23 retailers as of October 30, 2026, with prices from $6,243 to $13,502, a $7,260 spread on the same certified stone. NZ Jewellers lists it at $13,502. 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
F
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceMedium
Crown angle37.9°
OriginNatural
Grading LabGIA
CertificateGIA 2557576321
Dimensions9.46 × 6.05 × 3.92 mm
L/W Ratio1.56
Girdle conditionVery Thick
Key to symbols
Twinning Wisp, Feather, Crystal, Cavity
Top View
9.46 mm6.05 mm1.51 ctF / SI2
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2557576321
Side View
Table 63.0%Crown 37.9°Girdle: MED-VTKPavilionCulet: NoneDepth 64.8%

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: Oct 31
Current: $13,502 CAD|Low: $6,243 CAD|High: $13,502 CAD|Avg: $8,406 CAD|+10.4%
NZ Jewellers
Retailer 2
Retailer 3
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Retailer 21
Retailer 22
Retailer 23
November 2, 2026
Retailer 4$6,243 CAD
Retailer 5$6,307 CAD
Retailer 12$6,378 CAD
Retailer 21$6,378 CAD
Retailer 20$6,458 CAD
Retailer 6$6,750 CAD
Retailer 15$6,859 CAD
Retailer 16$6,989 CAD
Retailer 8$7,236 CAD
Retailer 19$7,314 CAD
Retailer 22$7,504 CAD
Retailer 17$7,607 CAD
Retailer 10$7,749 CAD
Retailer 13$7,876 CAD
Retailer 7$7,990 CAD
Retailer 9$7,990 CAD
Retailer 23$8,071 CAD
Retailer 11$8,256 CAD
Retailer 3$8,439 CAD
Retailer 2$8,623 CAD
Retailer 14$11,694 CAD
Retailer 18$11,895 CAD
NZ Jewellers$13,502 CAD

20 data points across 23 retailers

23 retailers$6,243 CAD to $13,502 CAD

A
Cheapest Retailer
-
$6,243 CAD
$4,469 USD
A
Retailer 2
-
$6,307 CAD
$4,515 USD
View
A
Retailer 3
-
$6,378 CAD
$4,566 USD
View
A
Retailer 4
-
$6,378 CAD
$4,566 USD
View
A
Retailer 5
-
$6,458 CAD
$4,623 USD
View
A
Retailer 6
-
$6,650 CAD
A$7,323 AUD
View
A
Retailer 7
-
$6,750 CAD
$4,832 USD
View
Final sale: no returns
Retailer 8
-
$6,859 CAD
$4,910 USD
View
Price last confirmed 20 days ago
A
Retailer 9
-
$7,236 CAD
$5,180 USD
View
A
Retailer 10
-
$7,314 CAD
$5,236 USD
View
A
Retailer 11
-
$7,504 CAD
$5,372 USD
View
B+
Retailer 12
-
$7,607 CAD
£4,288 GBP
View
A
Retailer 13
-
$7,749 CAD
$5,547 USD
View
A
Retailer 14
-
$7,876 CAD
£4,439 GBP
View
A
Retailer 15
-
$7,990 CAD
$5,720 USD
View
A
Retailer 16
-
$7,990 CAD
$5,720 USD
View
A
Retailer 17
-
$8,071 CAD
$5,778 USD
View
B+
Retailer 18
-
$8,256 CAD
$5,910 USD
View
B+
Retailer 19
-
$8,439 CAD
$6,041 USD
View
B+
Retailer 20
-
$8,623 CAD
€5,879 EUR
View
B
Retailer 21
-
$11,694 CAD
$8,371 USD
View
B
Retailer 22
-
$11,895 CAD
£6,705 GBP
View
Most Expensive
B
NZ Jewellers
d2ab3c1f-a838-4bcb-bc8e-6cbec82ee8cc · Oct 30
$13,502 CAD
$9,666 USD
View
22 more retailers have this diamond
Prices start from $6,243 CADSave up to $7,260 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 Oval
$6,243 CAD