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Round|Natural|GIA

1.50ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 1234

Certificate GIA 1234

Diamond specifications and retailer prices

From $7,762 CAD
As of November 5, 2026
Save $1,964 CAD (20%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $9,726 CAD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.5ct natural round diamond

This 1.5ct natural round 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 and certified by GIA. Listed at 5 retailers as of November 5, 2026, with prices from $7,762 to $9,726, a $1,964 spread on the same certified stone. Blue Nile lists it at $9,726. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1234
Dimensions7.28 × 7.33 × 4.57 mm
L/W Ratio1.01
Top View
7.28 mm7.33 mm1.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1234
Side View
Table 54.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $9,726 CAD|Low: $6,269 CAD|High: $10,768 CAD|Avg: $8,832 CAD|-7.4%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7$6,269 CAD
Retailer 4$7,762 CAD
Retailer 3$8,121 CAD
Retailer 5$8,477 CAD
Retailer 2$8,611 CAD
Blue Nile$9,726 CAD
Retailer 6$10,768 CAD

40 data points across 7 retailers

5 retailers$7,762 CAD to $9,726 CAD

A
Cheapest Retailer
-
$7,762 CAD
A
Retailer 2
-
$8,121 CAD
View
A
Retailer 3
-
$8,477 CAD
View
A
Retailer 4
-
$8,611 CAD
View
Most Expensive
A
Blue Nile
30153722 · Nov 5
$9,726 CAD
$6,964 USD
View
4 more retailers have this diamond
Prices start from $7,762 CADSave up to $1,964 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 Round
$7,762 CAD