Oval|Natural|GIA

1.51ct F SI2 Oval Natural Diamond

ID • F/SI2 • GIA 1537184523

Certificate GIA 1537184523

Diamond specifications and retailer prices

From $9,151 CAD
As of November 5, 2026
Save $10,223 CAD (53%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $19,375 CAD at NZ Jewellers · As of November 5, 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 1537184523. Listed at 14 retailers as of November 5, 2026, with prices from $9,151 to $19,375, a $10,223 spread on the same certified stone. NZ Jewellers lists it at $19,375. 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
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle41.63°
Pavilion angle37.07°
OriginNatural
Grading LabGIA
CertificateGIA 1537184523
Dimensions9.04 × 6.14 × 3.89 mm
L/W Ratio1.47
Girdle conditionExtremely Thick
Key to symbols
Crystal, Twinning Wisp, Feather, Indented Natural
Top View
9.04 mm6.14 mm1.51 ctF / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1537184523
Side View
Table 57.0%Crown 41.63°Girdle: ThickPavilion 37.07°Culet: NoneDepth 63.3%

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 5
Current: $19,375 CAD|Low: $9,151 CAD|High: $20,292 CAD|Avg: $12,668 CAD|-4.5%
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
November 6, 2026
Retailer 4$9,151 CAD
Retailer 14$9,634 CAD
Retailer 6$9,687 CAD
Retailer 10$9,767 CAD
Retailer 3$10,495 CAD
Retailer 5$10,656 CAD
Retailer 8$10,824 CAD
Retailer 13$11,087 CAD
Retailer 2$11,227 CAD
Retailer 7$11,704 CAD
Retailer 12$12,109 CAD
Retailer 11$12,515 CAD
Retailer 9$16,142 CAD
NZ Jewellers$19,375 CAD

44 data points across 14 retailers

14 retailers$9,151 CAD to $19,375 CAD

A
Cheapest Retailer
-
$9,151 CAD
B+
Retailer 2
-
$9,634 CAD
View
Retailer 3
-
$9,687 CAD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$9,767 CAD
View
B+
Retailer 5
-
$10,495 CAD
View
B+
Retailer 6
-
$10,656 CAD
View
B+
Retailer 7
-
$10,824 CAD
View
B+
Retailer 8
-
$11,087 CAD
View
B+
Retailer 9
-
$11,227 CAD
View
B+
Retailer 10
-
$11,704 CAD
View
B
Retailer 11
-
$12,109 CAD
View
B+
Retailer 12
-
$12,515 CAD
View
B
Retailer 13
-
$16,142 CAD
View
Most Expensive
B
NZ Jewellers
6b4413de-67c2-4282-a7dc-0c7212a8737d · Nov 5
$19,375 CAD
$13,774 USD
View
13 more retailers have this diamond
Prices start from $9,151 CADSave up to $10,223 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
$9,151 CAD