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Round|Natural|GIA

1.50ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6233939765

Certificate GIA 6233939765

Diamond specifications and retailer prices

From $8,137 CAD
As of November 6, 2026
Save $10,173 CAD (56%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $18,309 CAD at NZ Jewellers · As of November 5, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6233939765. Listed at 26 retailers as of November 5, 2026, with prices from $8,137 to $18,309, a $10,173 spread on the same certified stone. NZ Jewellers lists it at $18,309. 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

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6233939765
Dimensions7.22 × 7.28 × 4.47 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
7.22 mm7.28 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6233939765
Side View
Table 61.0%Crown 35.5°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 61.7%

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: Nov 6
Current: $11,198 CAD|Low: $7,940 CAD|High: $15,336 CAD|Avg: $10,979 CAD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8$8,137 CAD
Retailer 7$8,734 CAD
Retailer 2$10,089 CAD
Retailer 6$10,554 CAD
Retailer 1$11,198 CAD
Retailer 4$11,216 CAD
Retailer 3$13,356 CAD
Retailer 5$15,215 CAD

44 data points across 8 retailers

26 retailers$8,137 CAD to $18,309 CAD

B+
Cheapest Retailer
-
$8,137 CAD
B+
Retailer 2
-
$8,262 CAD
View
B+
Retailer 3
-
$8,648 CAD
View
B+
Retailer 4
-
$8,734 CAD
View
Final sale: no returns
B+
Retailer 5
-
$8,768 CAD
View
B+
Retailer 6
-
$9,092 CAD
View
Retailer 7
-
$9,155 CAD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$9,183 CAD
View
B+
Retailer 9
-
$9,747 CAD
View
B+
Retailer 10
-
$9,917 CAD
View
B+
Retailer 11
-
$10,089 CAD
View
B
Retailer 12
-
$10,104 CAD
View
B
Retailer 13
-
$10,465 CAD
View
Retailer 14
-
$10,554 CAD
View
Price last confirmed 15 days ago
B+
Retailer 15
-
$10,977 CAD
View
B+
Retailer 16
-
$10,977 CAD
View
B+
Retailer 17
-
$11,035 CAD
View
B+
Retailer 18
-
$11,198 CAD
View
B+
Retailer 19
-
$11,216 CAD
View
B
Retailer 20
-
$11,340 CAD
View
B
Retailer 21
-
$11,442 CAD
View
B
Retailer 22
-
$12,053 CAD
View
Retailer 23
-
$12,061 CAD
View
Price last confirmed 14 days ago
B
Retailer 24
-
$13,356 CAD
View
B
Retailer 25
-
$15,215 CAD
View
Most Expensive
B
NZ Jewellers
88894d16-2cac-4304-82c2-a7849fbcd248 · Nov 5
$18,309 CAD
$13,110 USD
View
25 more retailers have this diamond
Prices start from $8,137 CADSave up to $10,173 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
$8,137 CAD