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Emerald|Lab Grown|IGI

1.78ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG694550134

Shape and cutting style on the report: Emerald cut

Certificate IGI LG694550134

Diamond specifications and retailer prices

From $479 CAD
$342 USD
As of October 28, 2026
Save $3,314 CAD (87%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,284 CAD at Brilliant Earth · As of October 20, 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG694550134 or 694550134. Listed at 15 retailers as of October 28, 2026, with a 692% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG694550134
Dimensions5.65 × 5.65 × 8.37 mm
L/W Ratio1.00
Culet sizeLarge
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
5.65 mm5.65 mm1.78 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG694550134
Side View
Table 63.0%Crown 34.6°Girdle: MediumPavilion 41.9°Culet: LargeDepth 67.3%

Caratlytics Score

How it works →
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 28
Current: $6,284 CAD|Low: $340 CAD|High: $6,788 CAD|Avg: $1,965 CAD|+3.2%
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
October 28, 2026
Retailer 13$427 CAD
Retailer 4$479 CAD
Retailer 17$495 CAD
Retailer 14$530 CAD
Retailer 16$530 CAD
Retailer 12$708 CAD
Retailer 2$714 CAD
Retailer 3$907 CAD
Retailer 7$914 CAD
Retailer 11$1,370 CAD
Retailer 5$1,493 CAD
Retailer 15$2,036 CAD
Retailer 9$2,728 CAD
Retailer 8$3,304 CAD
Retailer 6$3,793 CAD
Retailer 10$5,032 CAD
Brilliant Earth$6,284 CAD

22 data points across 17 retailers

15 retailers$479 CAD to $3,793 CAD

A
Retailer 1
-
$427 CAD
$305 USD
Price last confirmed 18 days ago
A
Retailer 2
-
$479 CAD
$342 USD
View
Final sale: no returns
A
Retailer 3
-
$495 CAD
$354 USD
View
Price last confirmed 20 days ago
A
Retailer 4
-
$530 CAD
$379 USD
View
Price last confirmed 26 days ago
A
Retailer 5
-
$530 CAD
$379 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
$708 CAD
$506 USD
View
A
Retailer 7
-
$714 CAD
$510 USD
View
A
Retailer 8
-
$907 CAD
$648 USD
View
A
Retailer 9
-
$1,370 CAD
$979 USD
View
A
Retailer 10
-
$1,486 CAD
$1,062 USD
View
Price last confirmed 30 days ago
A
Retailer 11
-
$1,493 CAD
$1,067 USD
View
B+
Retailer 12
-
$2,036 CAD
$1,455 USD
View
B
Retailer 13
-
$3,793 CAD
$2,710 USD
View
B
Retailer 14
-
$5,032 CAD
$3,595 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
20126588A · Oct 20
$6,284 CAD
$4,490 USD
View
Price last confirmed 9 days ago
14 more retailers have this diamond
Prices start from $479 CADSave up to $3,314 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
$479 CAD