Emerald|Lab Grown|IGI

1.66ct J SI1 Emerald Lab Grown Diamond

ID • J/SI1 • IGI LG425067414

Shape and cutting style on the report: Emerald cut

Certificate IGI LG425067414

Diamond specifications and retailer prices

From $1,285 CAD
$920 USD
As of October 31, 2026
Save $6,079 CAD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,364 CAD at MOH London · As of November 1, 2026
View at MOH London

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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG425067414 or 425067414. Listed at 11 retailers as of October 31, 2026, with prices from $1,285 to $7,364, a $6,079 spread on the same certified stone. MOH London lists it at $7,364. 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

1.66
Carat
J
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle28.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425067414
Dimensions7.98 × 5.55 × 3.80 mm
L/W Ratio1.44
Culet sizeLong
Cert comments
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Top View
7.98 mm5.55 mm1.66 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG425067414
Side View
Table 61.5%Crown 28.1°Girdle: Slightly ThickPavilion 40.5°Culet: LNGDepth 68.5%

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 31
Current: $7,364 CAD|Low: $1,285 CAD|High: $7,463 CAD|Avg: $3,652 CAD
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
November 1, 2026
Retailer 2$1,285 CAD
Retailer 8$2,222 CAD
Retailer 13$2,418 CAD
Retailer 14$2,489 CAD
Retailer 9$2,579 CAD
Retailer 12$2,579 CAD
Retailer 6$2,658 CAD
Retailer 3$2,815 CAD
Retailer 4$3,473 CAD
Retailer 10$4,057 CAD
Retailer 7$4,559 CAD
Retailer 11$4,833 CAD
MOH London$7,364 CAD
Retailer 5$7,384 CAD

21 data points across 14 retailers

11 retailers$1,285 CAD to $7,364 CAD

A
Cheapest Retailer
-
$1,285 CAD
$920 USD
B+
Retailer 2
-
$2,222 CAD
$1,591 USD
View
B+
Retailer 3
-
$2,418 CAD
$1,731 USD
View
B+
Retailer 4
-
$2,489 CAD
$1,782 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,579 CAD
$1,846 USD
View
Retailer 6
-
$2,579 CAD
$1,846 USD
View
Price last confirmed 20 days ago
B
Retailer 7
-
$2,815 CAD
$2,015 USD
View
B
Retailer 8
-
$4,057 CAD
$2,904 USD
View
B
Retailer 9
-
$4,559 CAD
$3,264 USD
View
B
Retailer 10
-
$4,833 CAD
$3,460 USD
View
Most Expensive
B
MOH London
LG425067414 · Nov 1
$7,364 CAD
£4,151 GBP
View
10 more retailers have this diamond
Prices start from $1,285 CADSave up to $6,079 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
$1,285 CAD