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Round|Lab Grown|IGI

1.50ct G IF Round Lab Grown Diamond

ID • G/IF • IGI LG587321551

Shape and cutting style on the report: Round brilliant

Certificate IGI LG587321551

Diamond specifications and retailer prices

From $850 CAD
$608 USD
As of November 1, 2026
Save $1,784 CAD (68%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,634 CAD at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 1.5ct lab-grown round diamond

This 1.5ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG587321551 or 587321551. Listed at 7 retailers as of November 1, 2026, with prices from $850 to $2,634, a $1,784 spread on the same certified stone. Rare Carat lists it at $2,634. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
G
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG587321551
Dimensions7.46 × 7.42 × 4.45 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II Faint Blue
Top View
7.46 mm7.42 mm1.50 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG587321551
Side View
Table 59.0%Crown 33°Girdle: MediumPavilion 40.9°Culet: NoneDepth 59.9%

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: Nov 1
Current: $919 CAD|Low: $776 CAD|High: $2,514 CAD|Avg: $1,355 CAD|-2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 3, 2026
Retailer 7$776 CAD
Retailer 4$850 CAD
Retailer 1$919 CAD
Retailer 2$946 CAD
Retailer 3$1,185 CAD
Retailer 6$2,250 CAD
Retailer 5$2,389 CAD

37 data points across 7 retailers

7 retailers$850 CAD to $2,634 CAD

A
Cheapest Retailer
-
$850 CAD
$608 USD
A
Retailer 2
-
$919 CAD
£518 GBP
View
A
Retailer 3
-
$946 CAD
€645 EUR
View
B+
Retailer 4
-
$1,185 CAD
$848 USD
View
Retailer 5
-
$2,250 CAD
£1,268 GBP
View
Price last confirmed 13 days ago
B
Retailer 6
-
$2,389 CAD
$1,710 USD
View
Most Expensive
B
Rare Carat
OSWRD-156_l_587321551 · Nov 1
$2,634 CAD
$1,885 USD
View
6 more retailers have this diamond
Prices start from $850 CADSave up to $1,784 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
$850 CAD