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Emerald|Lab Grown|IGI

1.78ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG823624458

Shape and cutting style on the report: Emerald cut

Certificate IGI LG823624458

Diamond specifications and retailer prices

From $423 CAD
$302 USD
As of October 27, 2026
Save $5,736 CAD (93%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $6,158 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.78ct lab-grown emerald diamond

This 1.78ct lab-grown emerald sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG823624458 or 823624458. Listed at 21 retailers as of October 27, 2026, with prices from $423 to $6,158, a $5,736 spread on the same certified stone. Brilliant Earth lists it at $6,158. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.7°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823624458
Dimensions8.23 × 5.54 × 3.65 mm
L/W Ratio1.49
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.23 mm5.54 mm1.78 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823624458
Side View
Table 66.0%Crown 40.7°Girdle: Slightly ThickPavilion 38.6°Culet: LargeDepth 65.9%

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: Oct 27
Current: $6,158 CAD|Low: $472 CAD|High: $6,536 CAD|Avg: $1,555 CAD|+9.7%
Brilliant Earth
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
October 29, 2026
Retailer 4$472 CAD
Retailer 5$490 CAD
Retailer 6$525 CAD
Retailer 17$707 CAD
Retailer 15$742 CAD
Retailer 14$901 CAD
Retailer 2$928 CAD
Retailer 11$932 CAD
Retailer 13$1,222 CAD
Retailer 16$1,611 CAD
Retailer 9$1,685 CAD
Retailer 10$1,752 CAD
Retailer 7$1,913 CAD
Retailer 18$2,015 CAD
Retailer 8$2,048 CAD
Retailer 12$2,112 CAD
Retailer 3$2,127 CAD
Brilliant Earth$6,158 CAD

43 data points across 18 retailers

21 retailers$423 CAD to $6,158 CAD

A
Cheapest Retailer
-
$423 CAD
$302 USD
A
Retailer 2
-
$472 CAD
$337 USD
View
Final sale: no returns
A
Retailer 3
-
$490 CAD
$350 USD
View
A
Retailer 4
-
$525 CAD
$375 USD
View
A
Retailer 5
-
$525 CAD
$375 USD
View
B+
Retailer 6
-
$707 CAD
$505 USD
View
A
Retailer 7
-
$742 CAD
$530 USD
View
A
Retailer 8
-
$901 CAD
ZAR 10,398 ZAR
View
A
Retailer 9
-
$928 CAD
£522 GBP
View
A
Retailer 10
-
$932 CAD
€634 EUR
View
A
Retailer 11
-
$1,222 CAD
A$1,343 AUD
View
B+
Retailer 12
-
$1,611 CAD
$1,151 USD
View
B+
Retailer 13
-
$1,685 CAD
SGD 1,627 SGD
View
B+
Retailer 14
-
$1,685 CAD
$1,204 USD
View
B+
Retailer 15
-
$1,752 CAD
$1,252 USD
View
B+
Retailer 16
-
$1,913 CAD
$1,367 USD
View
B+
Retailer 17
-
$2,015 CAD
$1,440 USD
View
B+
Retailer 18
-
$2,048 CAD
£1,152 GBP
View
B+
Retailer 19
-
$2,112 CAD
£1,188 GBP
View
B+
Retailer 20
-
$2,127 CAD
$1,519 USD
View
Most Expensive
B
Brilliant Earth
20908654A · Oct 29
$6,158 CAD
$4,400 USD
View
20 more retailers have this diamond
Prices start from $423 CADSave up to $5,736 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
1.78ct Emerald
$423 CAD