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Emerald|Lab Grown|IGI

3.66ct G SI1 Emerald Lab Grown Diamond

ID • G/SI1 • IGI LG621431858

Shape and cutting style on the report: Emerald cut

Certificate IGI LG621431858

Diamond specifications and retailer prices

From $490 CAD
$351 USD
As of October 27, 2026
Save $3,854 CAD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,344 CAD at Do Amore Diamonds · As of October 28, 2026
View at Do Amore Diamonds

About this 3.66ct lab-grown emerald diamond

This 3.66ct lab-grown emerald sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG621431858 or 621431858. Listed at 11 retailers as of October 27, 2026, with prices from $490 to $4,344, a $3,854 spread on the same certified stone. Do Amore Diamonds lists it at $4,344. 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

3.66
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621431858
Dimensions10.51 × 7.14 × 4.83 mm
L/W Ratio1.47
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.51 mm7.14 mm3.66 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621431858
Side View
Table 66.0%Crown 36.6°Girdle: MediumPavilion 41.5°Culet: LargeDepth 67.6%

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 27
Current: $4,344 CAD|Low: $490 CAD|High: $4,722 CAD|Avg: $1,976 CAD|-8.0%
Do Amore Diamonds
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 28, 2026
Retailer 10$490 CAD
Retailer 8$569 CAD
Retailer 3$588 CAD
Retailer 5$885 CAD
Retailer 11$976 CAD
Retailer 2$978 CAD
Retailer 4$1,265 CAD
Retailer 9$1,781 CAD
Retailer 12$1,836 CAD
Retailer 13$2,155 CAD
Retailer 7$2,624 CAD
Retailer 14$3,758 CAD
Retailer 6$4,112 CAD
Do Amore Diamonds$4,344 CAD

23 data points across 14 retailers

11 retailers$490 CAD to $4,344 CAD

A
Cheapest Retailer
-
$490 CAD
$351 USD
A
Retailer 2
-
$569 CAD
$407 USD
View
A
Retailer 3
-
$588 CAD
$421 USD
View
Final sale: no returns
Retailer 4
-
$976 CAD
$699 USD
View
Price last confirmed 6 days ago
A
Retailer 5
-
$978 CAD
$700 USD
View
B+
Retailer 6
-
$1,781 CAD
$1,275 USD
View
B+
Retailer 7
-
$1,836 CAD
$1,314 USD
View
Retailer 8
-
$2,155 CAD
$1,543 USD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$2,624 CAD
£1,479 GBP
View
B
Retailer 10
-
$3,758 CAD
$2,690 USD
View
Most Expensive
B
Do Amore Diamonds
27-28B3EAC4A · Oct 28
$4,344 CAD
$3,110 USD
View
10 more retailers have this diamond
Prices start from $490 CADSave up to $3,854 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
3.66ct Emerald
$490 CAD