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Round|Lab Grown|IGI

1.50ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG788681343

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788681343

Diamond specifications and retailer prices

From $302 CAD
$216 USD
As of October 27, 2026
Save $915 CAD (75%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,577 CAD at MOH London · As of October 19, 2026
View at MOH London

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 LG788681343 or 788681343. Listed at 18 retailers as of October 27, 2026, with a 303% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle35.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788681343
Dimensions7.32 × 7.25 × 4.60 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.32 mm7.25 mm1.50 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788681343
Side View
Table 55.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.0%

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 27
Current: $1,577 CAD|Low: $302 CAD|High: $1,680 CAD|Avg: $794 CAD|+9.4%
MOH London
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
October 29, 2026
Retailer 13$302 CAD
Retailer 12$376 CAD
Retailer 2$545 CAD
Retailer 9$581 CAD
Retailer 4$586 CAD
Retailer 11$600 CAD
Retailer 10$607 CAD
Retailer 5$696 CAD
Retailer 3$762 CAD
Retailer 14$862 CAD
Retailer 7$1,022 CAD
Retailer 8$1,082 CAD
Retailer 6$1,218 CAD
MOH London$1,577 CAD

42 data points across 14 retailers

18 retailers$302 CAD to $1,218 CAD

A
Retailer 1
-
$287 CAD
$205 USD
Price last confirmed 19 days ago
A
Retailer 2
-
$302 CAD
$216 USD
View
Final sale: no returns
A
Retailer 3
-
$332 CAD
$237 USD
View
Price last confirmed 16 days ago
A
Retailer 4
-
$355 CAD
$254 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
$376 CAD
HK$2,100 HKD
View
A
Retailer 6
-
$545 CAD
€371 EUR
View
A
Retailer 7
-
$581 CAD
£327 GBP
View
B+
Retailer 8
-
$586 CAD
$419 USD
View
A
Retailer 9
-
$600 CAD
$429 USD
View
A
Retailer 10
-
$607 CAD
£341 GBP
View
A
Retailer 11
-
$696 CAD
$497 USD
View
B+
Retailer 12
-
$762 CAD
A$838 AUD
View
B+
Retailer 13
-
$862 CAD
$616 USD
View
B+
Retailer 14
-
$1,022 CAD
$730 USD
View
B+
Retailer 15
-
$1,082 CAD
SGD 1,045 SGD
View
B
Retailer 16
-
$1,142 CAD
$816 USD
View
Price last confirmed 22 days ago
B
Retailer 17
-
$1,218 CAD
$870 USD
View
Most Expensive
B
MOH London
LG788681343 · Oct 19
$1,577 CAD
£887 GBP
View
Price last confirmed 10 days ago
17 more retailers have this diamond
Prices start from $302 CADSave up to $915 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
$302 CAD