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Round|Natural|GIA

1.50ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 1226746537

Certificate GIA 1226746537

Diamond specifications and retailer prices

From $8,708 CAD
$6,234 USD
As of October 30, 2026
Save $10,904 CAD (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $19,612 CAD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1226746537. Listed at 19 retailers as of October 30, 2026, with prices from $8,708 to $19,612, a $10,904 spread on the same certified stone. NZ Jewellers lists it at $19,612. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1226746537
Dimensions7.35 × 7.31 × 4.52 mm
L/W Ratio1.01
Star length55%
Lower girdle75%
Girdle conditionFaceted
Culet sizeNone
Cert comments
Additional clouds, pinpoints and surface graining are not shown.
Key to symbols
Cloud, Feather, Crystal, Needle, Indented Natural
Top View
7.35 mm7.31 mm1.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1226746537
Side View
Table 60.0%Crown 33.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $12,175 CAD|Low: $8,520 CAD|High: $16,540 CAD|Avg: $11,032 CAD|+4.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 6$8,708 CAD
Retailer 4$8,800 CAD
Retailer 5$9,806 CAD
Retailer 7$10,623 CAD
Retailer 2$10,994 CAD
Retailer 1$12,175 CAD
Retailer 3$16,430 CAD

39 data points across 7 retailers

19 retailers$8,708 CAD to $19,612 CAD

B+
Cheapest Retailer
-
$8,708 CAD
$6,234 USD
Retailer 2
-
$8,800 CAD
$6,300 USD
View
Price last confirmed 12 days ago
B+
Retailer 3
-
$8,863 CAD
$6,345 USD
View
B+
Retailer 4
-
$9,126 CAD
A$10,051 AUD
View
B+
Retailer 5
-
$9,266 CAD
$6,633 USD
View
B+
Retailer 6
-
$9,806 CAD
$7,020 USD
View
B
Retailer 7
-
$9,806 CAD
$7,020 USD
View
Final sale: no returns
B
Retailer 8
-
$10,444 CAD
$7,476 USD
View
B+
Retailer 9
-
$10,623 CAD
$7,605 USD
View
B+
Retailer 10
-
$10,787 CAD
$7,722 USD
View
B+
Retailer 11
-
$10,994 CAD
£6,197 GBP
View
B
Retailer 12
-
$11,580 CAD
$8,290 USD
View
B
Retailer 13
-
$11,580 CAD
$8,290 USD
View
B
Retailer 14
-
$11,957 CAD
$8,560 USD
View
B
Retailer 15
-
$12,175 CAD
€8,301 EUR
View
B
Retailer 16
-
$12,258 CAD
$8,775 USD
View
Retailer 17
-
$12,916 CAD
$9,246 USD
View
Price last confirmed 7 days ago
B
Retailer 18
-
$16,430 CAD
£9,261 GBP
View
Most Expensive
B
NZ Jewellers
bce9b288-bbd7-49aa-8d67-ae191e7ce395 · Oct 30
$19,612 CAD
$14,040 USD
View
18 more retailers have this diamond
Prices start from $8,708 CADSave up to $10,904 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.

B+
1.50ct Round
$8,708 CAD