Emerald|Lab Grown|IGI

1.78ct G IF Emerald Lab Grown Diamond

ID • G/IF • IGI LG620498304

Shape and cutting style on the report: Emerald cut

Certificate IGI LG620498304

Diamond specifications and retailer prices

From $450 CAD
$320 USD
As of October 28, 2026
Save $4,158 CAD (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $4,607 CAD at Brilliant Earth · As of October 28, 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 G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG620498304 or 620498304. Listed at 22 retailers as of October 28, 2026, with prices from $450 to $4,607, a $4,158 spread on the same certified stone. Brilliant Earth lists it at $4,607. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
G
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620498304
Dimensions7.90 × 5.74 × 3.92 mm
L/W Ratio1.38
Culet sizeLong
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
7.90 mm5.74 mm1.78 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620498304
Side View
Table 66.0%Crown 37.6°Girdle: MediumPavilion 36.6°Culet: LNGDepth 68.3%

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 28
Current: $4,607 CAD|Low: $450 CAD|High: $4,607 CAD|Avg: $1,392 CAD
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
October 29, 2026
Retailer 4$450 CAD
Retailer 3$466 CAD
Retailer 13$663 CAD
Retailer 9$716 CAD
Retailer 2$779 CAD
Retailer 7$856 CAD
Retailer 8$874 CAD
Retailer 5$879 CAD
Retailer 12$1,530 CAD
Retailer 14$1,915 CAD
Retailer 6$1,948 CAD
Retailer 10$2,005 CAD
Retailer 11$3,322 CAD
Brilliant Earth$4,607 CAD

41 data points across 14 retailers

22 retailers$450 CAD to $4,607 CAD

A
Retailer 1
-
$402 CAD
$286 USD
Price last confirmed 10 days ago
A
Retailer 2
-
$450 CAD
$320 USD
View
Final sale: no returns
A
Retailer 3
-
$466 CAD
$332 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
$497 CAD
$354 USD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$497 CAD
$354 USD
View
Price last confirmed 13 days ago
B+
Retailer 6
-
$663 CAD
$472 USD
View
A
Retailer 7
-
$716 CAD
$510 USD
View
A
Retailer 8
-
$779 CAD
€528 EUR
View
A
Retailer 9
-
$856 CAD
ZAR 9,839 ZAR
View
A
Retailer 10
-
$874 CAD
£490 GBP
View
A
Retailer 11
-
$879 CAD
$626 USD
View
A
Retailer 12
-
$1,080 CAD
$769 USD
View
Price last confirmed 15 days ago
B+
Retailer 13
-
$1,530 CAD
$1,089 USD
View
B+
Retailer 14
-
$1,600 CAD
$1,139 USD
View
Price last confirmed 10 days ago
B+
Retailer 15
-
$1,670 CAD
$1,189 USD
View
B+
Retailer 16
-
$1,726 CAD
$1,229 USD
View
B+
Retailer 17
-
$1,915 CAD
$1,363 USD
View
B+
Retailer 18
-
$1,948 CAD
£1,092 GBP
View
Price last confirmed 21 days ago
B+
Retailer 19
-
$2,005 CAD
£1,124 GBP
View
B+
Retailer 20
-
$2,058 CAD
$1,465 USD
View
B
Retailer 21
-
$3,322 CAD
$2,365 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
16509102A · Oct 28
$4,607 CAD
$3,280 USD
View
21 more retailers have this diamond
Prices start from $450 CADSave up to $4,158 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
$450 CAD