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Oval|Natural|GIA

1.50ct I SI1 Oval Natural Diamond

EX • I/SI1 • GIA 2557796851

Certificate GIA 2557796851

Diamond specifications and retailer prices

From $4,989 CAD
HK$27,900 HKD
As of October 30, 2026
Save $6,945 CAD (58%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $11,934 CAD at NZ Jewellers · As of October 30, 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 I 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 2557796851. Listed at 10 retailers as of October 30, 2026, with prices from $4,989 to $11,934, a $6,945 spread on the same certified stone. NZ Jewellers lists it at $11,934. 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
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle35.73°
OriginNatural
Grading LabGIA
CertificateGIA 2557796851
Dimensions8.80 × 6.25 × 4.03 mm
L/W Ratio1.41
Key to symbols
Crystal, Feather, Needle
Top View
8.80 mm6.25 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557796851
Side View
Table 56.0%CrownGirdle: STK-THKPavilion 35.73°Culet: NoneDepth 64.4%

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: Oct 30
Current: $11,934 CAD|Low: $4,989 CAD|High: $12,506 CAD|Avg: $7,745 CAD|-4.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 8$4,989 CAD
Retailer 2$5,801 CAD
Retailer 9$6,145 CAD
Retailer 7$6,393 CAD
Retailer 5$6,850 CAD
Retailer 6$6,850 CAD
Retailer 10$7,289 CAD
Retailer 4$7,800 CAD
Retailer 3$10,969 CAD
NZ Jewellers$11,934 CAD

39 data points across 10 retailers

10 retailers$4,989 CAD to $11,934 CAD

A
Cheapest Retailer
-
$4,989 CAD
HK$27,900 HKD
A
Retailer 2
-
$5,801 CAD
€3,955 EUR
View
A
Retailer 3
-
$6,145 CAD
$4,399 USD
View
A
Retailer 4
-
$6,393 CAD
SGD 6,185 SGD
View
A
Retailer 5
-
$6,850 CAD
$4,904 USD
View
A
Retailer 6
-
$6,850 CAD
$4,904 USD
View
B+
Retailer 7
-
$7,289 CAD
A$8,028 AUD
View
B+
Retailer 8
-
$7,800 CAD
€5,318 EUR
View
B+
Retailer 9
-
$10,969 CAD
£6,183 GBP
View
Most Expensive
B
NZ Jewellers
565532c0-953b-4f2d-aed4-fc30a2b45f0d · Oct 30
$11,934 CAD
$8,543 USD
View
9 more retailers have this diamond
Prices start from $4,989 CADSave up to $6,945 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
$4,989 CAD