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Oval|Natural|GIA

1.50ct E SI1 Oval Natural Diamond

ID • E/SI1 • GIA 1553391703

Certificate GIA 1553391703

Diamond specifications and retailer prices

From $8,997 CAD
$6,428 USD
As of October 26, 2026
Save $10,561 CAD (54%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $19,558 CAD at NZ Jewellers · As of October 23, 2026
View at NZ Jewellers

About this 1.5ct natural oval diamond

This 1.5ct 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 1553391703. Listed at 12 retailers as of October 23, 2026, with prices from $8,997 to $19,558, a $10,561 spread on the same certified stone. NZ Jewellers lists it at $19,558. 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

1.50
Carat
E
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1553391703
Dimensions6.31 × 8.66 × 4.08 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle
Top View
6.31 mm8.66 mm1.50 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553391703
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.6%

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 26
Current: $19,558 CAD|Low: $8,859 CAD|High: $19,558 CAD|Avg: $11,716 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
Retailer 14
Retailer 15
October 26, 2026
Retailer 14$8,859 CAD
Retailer 15$8,997 CAD
Retailer 12$9,493 CAD
Retailer 3$9,779 CAD
Retailer 4$10,245 CAD
Retailer 6$10,357 CAD
Retailer 8$10,594 CAD
Retailer 10$10,757 CAD
Retailer 9$10,954 CAD
Retailer 5$11,885 CAD
Retailer 13$12,224 CAD
Retailer 2$12,709 CAD
Retailer 7$13,268 CAD
Retailer 11$16,319 CAD
NZ Jewellers$19,558 CAD

25 data points across 15 retailers

12 retailers$8,997 CAD to $19,558 CAD

Retailer 1
-
$8,859 CAD
$6,330 USD
Price last confirmed 8 days ago
A
Retailer 2
-
$8,997 CAD
$6,428 USD
View
A
Retailer 3
-
$9,493 CAD
$6,783 USD
View
A
Retailer 4
-
$10,245 CAD
$7,320 USD
View
A
Retailer 5
-
$10,594 CAD
$7,569 USD
View
A
Retailer 6
-
$10,757 CAD
$7,686 USD
View
A
Retailer 7
-
$10,954 CAD
£6,163 GBP
View
B+
Retailer 8
-
$11,885 CAD
$8,492 USD
View
B+
Retailer 9
-
$12,224 CAD
$8,734 USD
View
B+
Retailer 10
-
$12,709 CAD
€8,648 EUR
View
B+
Retailer 11
-
$16,319 CAD
£9,181 GBP
View
Most Expensive
B
NZ Jewellers
d4ecb5a0-d0a0-4a68-8ea7-528204860501 · Oct 23
$19,558 CAD
$13,974 USD
View
11 more retailers have this diamond
Prices start from $8,997 CADSave up to $10,561 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
1.50ct Oval
$8,997 CAD