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Round|Natural|GIA

1.50ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 5426823638

Certificate GIA 5426823638

Diamond specifications and retailer prices

From $3,740 CAD
$2,677 USD
As of October 29, 2026
Save $11,357 CAD (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $15,097 CAD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

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 5426823638. Listed at 9 retailers as of October 26, 2026, with prices from $3,740 to $15,097, a $11,357 spread on the same certified stone. Wholesale Diamonds Direct lists it at $15,097. 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 angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5426823638
Dimensions7.31 × 7.27 × 4.55 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.31 mm7.27 mm1.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5426823638
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.4%

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 29
Current: $7,817 CAD|Low: $3,740 CAD|High: $15,097 CAD|Avg: $8,925 CAD|-2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Wholesale Diamonds Direct
October 23, 2026
Retailer 6$3,740 CAD
Retailer 5$3,883 CAD
Retailer 8$6,983 CAD
Retailer 3$7,203 CAD
Retailer 4$7,224 CAD
Retailer 1$7,817 CAD
Retailer 2$8,918 CAD
Retailer 7$9,478 CAD
Retailer 12$9,976 CAD
Retailer 10$10,141 CAD
Retailer 11$10,141 CAD
Retailer 9$10,477 CAD
Wholesale Diamonds Direct$15,097 CAD

10 data points across 13 retailers

9 retailers$3,740 CAD to $15,097 CAD

A
Cheapest Retailer
-
$3,740 CAD
$2,677 USD
A
Retailer 2
-
$3,883 CAD
$2,780 USD
View
A
Retailer 3
-
$6,983 CAD
$4,999 USD
View
B+
Retailer 4
-
$7,817 CAD
$5,596 USD
View
B+
Retailer 5
-
$9,478 CAD
$6,785 USD
View
B
Retailer 6
-
$10,141 CAD
$7,260 USD
View
B
Retailer 7
-
$10,141 CAD
$7,260 USD
View
B
Retailer 8
-
$10,477 CAD
$7,500 USD
View
Most Expensive
B
Wholesale Diamonds Direct
581904020 · Oct 26
$15,097 CAD
$10,808 USD
View
8 more retailers have this diamond
Prices start from $3,740 CADSave up to $11,357 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
$3,740 CAD