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Emerald|Lab Grown|IGI

1.66ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG680560448

Shape and cutting style on the report: Emerald cut

Certificate IGI LG680560448

Diamond specifications and retailer prices

From $321 CAD
$230 USD
As of October 30, 2026
Save $1,326 CAD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,318 CAD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 1.66ct lab-grown emerald diamond

This 1.66ct 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 LG680560448 or 680560448. Listed at 18 retailers as of October 30, 2026, with a 413% 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

1.66
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG680560448
Dimensions7.84 × 5.49 × 3.78 mm
L/W Ratio1.43
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
7.84 mm5.49 mm1.66 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG680560448
Side View
Table 62.0%Crown 34.6°Girdle: MediumPavilion 39.3°Culet: LargeDepth 68.9%

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 30
Current: $3,318 CAD|Low: $309 CAD|High: $3,380 CAD|Avg: $952 CAD|-1.9%
Rare Carat
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
October 30, 2026
Retailer 15$321 CAD
Retailer 4$358 CAD
Retailer 7$373 CAD
Retailer 6$398 CAD
Retailer 16$398 CAD
Retailer 14$556 CAD
Retailer 10$684 CAD
Retailer 2$750 CAD
Retailer 8$759 CAD
Retailer 11$930 CAD
Retailer 5$1,280 CAD
Retailer 13$1,284 CAD
Retailer 12$1,554 CAD
Retailer 9$1,604 CAD
Retailer 3$1,620 CAD
Rare Carat$3,318 CAD

44 data points across 16 retailers

18 retailers$321 CAD to $1,647 CAD

A
Cheapest Retailer
-
$321 CAD
$230 USD
A
Retailer 2
-
$358 CAD
$256 USD
View
Final sale: no returns
A
Retailer 3
-
$373 CAD
$267 USD
View
A
Retailer 4
-
$398 CAD
$285 USD
View
A
Retailer 5
-
$398 CAD
$285 USD
View
B+
Retailer 6
-
$556 CAD
$398 USD
View
A
Retailer 7
-
$684 CAD
ZAR 7,908 ZAR
View
A
Retailer 8
-
$750 CAD
£423 GBP
View
A
Retailer 9
-
$759 CAD
$543 USD
View
A
Retailer 10
-
$930 CAD
A$1,024 AUD
View
A
Retailer 11
-
$1,280 CAD
$916 USD
View
A
Retailer 12
-
$1,284 CAD
$919 USD
View
A
Retailer 13
-
$1,353 CAD
$968 USD
View
B+
Retailer 14
-
$1,554 CAD
£876 GBP
View
B+
Retailer 15
-
$1,604 CAD
£904 GBP
View
B+
Retailer 16
-
$1,620 CAD
$1,160 USD
View
B+
Retailer 17
-
$1,647 CAD
$1,179 USD
View
Most Expensive
Rare Carat
GD5859_l_680560448 · Oct 18
$3,318 CAD
$2,375 USD
View
Price last confirmed 12 days ago
17 more retailers have this diamond
Prices start from $321 CADSave up to $1,326 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
1.66ct Emerald
$321 CAD