Round|Lab Grown|IGI

1.50ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG749570657

Shape and cutting style on the report: Round brilliant

Certificate IGI LG749570657

Diamond specifications and retailer prices

From $328 CAD
$234 USD
As of October 29, 2026
Save $1,494 CAD (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,822 CAD at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG749570657 or 749570657. Listed at 22 retailers as of October 28, 2026, with prices from $328 to $1,822, a $1,494 spread on the same certified stone. Reve Diamonds lists it at $1,822. 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
FluorescenceNone
Crown angle34.4°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749570657
Dimensions7.35 × 7.29 × 4.53 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
Top View
7.35 mm7.29 mm1.50 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749570657
Side View
Table 61.0%Crown 34.4°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.0%

Caratlytics Score

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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: Oct 29
Current: $762 CAD|Low: $312 CAD|High: $1,822 CAD|Avg: $826 CAD|+7.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Reve Diamonds
October 29, 2026
Retailer 7$328 CAD
Retailer 11$367 CAD
Retailer 15$379 CAD
Retailer 10$402 CAD
Retailer 4$406 CAD
Retailer 17$603 CAD
Retailer 5$687 CAD
Retailer 18$704 CAD
Retailer 12$705 CAD
Retailer 2$757 CAD
Retailer 1$762 CAD
Retailer 16$808 CAD
Retailer 14$1,061 CAD
Retailer 9$1,064 CAD
Retailer 8$1,304 CAD
Retailer 6$1,378 CAD
Retailer 3$1,512 CAD
Retailer 13$1,635 CAD
Reve Diamonds$1,822 CAD

37 data points across 19 retailers

22 retailers$328 CAD to $1,822 CAD

A
Cheapest Retailer
-
$328 CAD
$234 USD
A
Retailer 2
-
$367 CAD
$262 USD
View
Final sale: no returns
A
Retailer 3
-
$379 CAD
$271 USD
View
A
Retailer 4
-
$402 CAD
$287 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
$406 CAD
$290 USD
View
A
Retailer 6
-
$603 CAD
$431 USD
View
B+
Retailer 7
-
$687 CAD
$491 USD
View
B+
Retailer 8
-
$704 CAD
£396 GBP
View
Price last confirmed 12 days ago
A
Retailer 9
-
$705 CAD
€480 EUR
View
B+
Retailer 10
-
$757 CAD
$541 USD
View
B+
Retailer 11
-
$762 CAD
£429 GBP
View
B+
Retailer 12
-
$808 CAD
A$888 AUD
View
B+
Retailer 13
-
$1,061 CAD
$758 USD
View
B
Retailer 14
-
$1,064 CAD
$760 USD
View
B
Retailer 15
-
$1,293 CAD
$924 USD
View
Price last confirmed 38 days ago
B
Retailer 16
-
$1,304 CAD
$932 USD
View
B
Retailer 17
-
$1,309 CAD
$935 USD
View
Price last confirmed 8 days ago
B
Retailer 18
-
$1,378 CAD
$984 USD
View
B
Retailer 19
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$1,442 CAD
$1,030 USD
View
B
Retailer 20
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$1,512 CAD
$1,080 USD
View
Price last confirmed 8 days ago
B
Retailer 21
-
$1,635 CAD
£920 GBP
View
Most Expensive
B
Reve Diamonds
A2967E34E · Oct 28
$1,822 CAD
$1,302 USD
View
21 more retailers have this diamond
Prices start from $328 CADSave up to $1,494 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
$328 CAD