Oval|Natural|GIA

1.51ct E SI1 Oval Natural Diamond

EX • E/SI1 • GIA 2516454924

Certificate GIA 2516454924

Diamond specifications and retailer prices

From $10,207 CAD
$7,293 USD
As of October 28, 2026
Save $11,520 CAD (53%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $21,727 CAD at NZ Jewellers · As of October 27, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2516454924. Listed at 16 retailers as of October 27, 2026, with prices from $10,207 to $21,727, a $11,520 spread on the same certified stone. NZ Jewellers lists it at $21,727. 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
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.98°
Pavilion angle39.08°
OriginNatural
Grading LabGIA
CertificateGIA 2516454924
Dimensions8.72 × 6.35 × 4.16 mm
L/W Ratio1.37
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
8.72 mm6.35 mm1.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2516454924
Side View
Table 63.0%Crown 36.98°Girdle: THK-VTKPavilion 39.08°Culet: NDepth 65.5%

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 28
Current: $12,084 CAD|Low: $9,992 CAD|High: $18,322 CAD|Avg: $12,460 CAD|+0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 10$10,207 CAD
Retailer 11$10,861 CAD
Retailer 9$10,900 CAD
Retailer 2$11,092 CAD
Retailer 4$11,576 CAD
Retailer 12$11,769 CAD
Retailer 1$12,084 CAD
Retailer 7$12,244 CAD
Retailer 3$12,500 CAD
Retailer 6$14,174 CAD
Retailer 8$15,678 CAD
Retailer 5$18,202 CAD

42 data points across 12 retailers

16 retailers$10,207 CAD to $21,727 CAD

A
Cheapest Retailer
-
$10,207 CAD
$7,293 USD
B+
Retailer 2
-
$10,861 CAD
$7,760 USD
View
B+
Retailer 3
-
$10,900 CAD
$7,788 USD
View
Final sale: no returns
B+
Retailer 4
-
$10,901 CAD
$7,789 USD
View
B+
Retailer 5
-
$11,092 CAD
$7,925 USD
View
B+
Retailer 6
-
$11,576 CAD
$8,271 USD
View
B+
Retailer 7
-
$11,769 CAD
$8,409 USD
View
B+
Retailer 8
-
$11,950 CAD
$8,538 USD
View
B+
Retailer 9
-
$12,084 CAD
£6,798 GBP
View
B+
Retailer 10
-
$12,244 CAD
A$13,459 AUD
View
B+
Retailer 11
-
$12,500 CAD
$8,931 USD
View
B
Retailer 12
-
$13,580 CAD
$9,703 USD
View
B
Retailer 13
-
$14,174 CAD
€9,645 EUR
View
B
Retailer 14
-
$15,678 CAD
ZAR 180,960 ZAR
View
Price last confirmed 7 days ago
B
Retailer 15
-
$18,202 CAD
£10,240 GBP
View
Most Expensive
B
NZ Jewellers
bc228933-8170-4d5c-84b9-6692ffa876f1 · Oct 27
$21,727 CAD
$15,524 USD
View
15 more retailers have this diamond
Prices start from $10,207 CADSave up to $11,520 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
$10,207 CAD