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Oval|Natural|GIA

1.50ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 1555376298

Certificate GIA 1555376298

Diamond specifications and retailer prices

From $6,370 CAD
As of November 3, 2026
Save $6,937 CAD (52%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $15,274 CAD at NZ Jewellers · As of September 19, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1555376298. Listed at 20 retailers as of November 2, 2026, with a 109% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555376298
Dimensions8.64 × 6.26 × 3.97 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Feather, Crystal, Indented Natural, Needle
Top View
8.64 mm6.26 mm1.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1555376298
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 63.4%

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: Nov 3
Current: $8,580 CAD|Low: $6,370 CAD|High: $13,617 CAD|Avg: $8,777 CAD|-3.0%
Retailer 1
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
Retailer 16
November 4, 2026
Retailer 4$6,370 CAD
Retailer 5$6,839 CAD
Retailer 2$7,258 CAD
Retailer 10$7,553 CAD
Retailer 16$7,638 CAD
Retailer 15$8,077 CAD
Retailer 14$8,157 CAD
Retailer 12$8,511 CAD
Retailer 1$8,580 CAD
Retailer 7$8,665 CAD
Retailer 9$8,891 CAD
Retailer 8$9,028 CAD
Retailer 3$9,253 CAD
Retailer 6$10,128 CAD
Retailer 13$11,098 CAD
Retailer 11$13,308 CAD

27 data points across 16 retailers

20 retailers$6,370 CAD to $13,308 CAD

A
Cheapest Retailer
-
$6,370 CAD
A
Retailer 2
-
$6,839 CAD
View
A
Retailer 3
-
$7,258 CAD
View
B+
Retailer 4
-
$7,553 CAD
View
Final sale: no returns
B+
Retailer 5
-
$7,638 CAD
View
B+
Retailer 6
-
$8,077 CAD
View
B+
Retailer 7
-
$8,157 CAD
View
Retailer 8
-
$8,274 CAD
View
Price last confirmed 48 days ago
B+
Retailer 9
-
$8,511 CAD
View
B+
Retailer 10
-
$8,580 CAD
View
B+
Retailer 11
-
$8,620 CAD
View
Retailer 12
-
$8,665 CAD
View
Price last confirmed 22 days ago
B+
Retailer 13
-
$8,891 CAD
View
Retailer 14
-
$9,028 CAD
View
Price last confirmed 28 days ago
B+
Retailer 15
-
$9,253 CAD
View
Retailer 16
-
$9,547 CAD
View
Price last confirmed 48 days ago
B+
Retailer 17
-
$10,128 CAD
View
B+
Retailer 18
-
$11,098 CAD
View
B
Retailer 19
-
$13,308 CAD
View
Most Expensive
NZ Jewellers
066f5159-0628-47f0-b3b5-85d10d42868f · Sep 19
$15,274 CAD
$10,859 USD
View
Price last confirmed 47 days ago
19 more retailers have this diamond
Prices start from $6,370 CADSave up to $6,937 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
$6,370 CAD