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Emerald|Lab Grown|IGI

1.66ct F VS1 Emerald Lab Grown Diamond

ID • F/VS1 • IGI LG782629342

Shape and cutting style on the report: Emerald cut

Certificate IGI LG782629342

Diamond specifications and retailer prices

From $207 USD
As of October 30, 2026
Save $1,223 USD (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,430 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG782629342 or 782629342. Listed at 12 retailers as of October 30, 2026, with prices from $207 to $1,430, a $1,223 spread on the same certified stone. Brilliant Earth lists it at $1,430. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG782629342
Dimensions7.88 × 5.62 × 3.81 mm
L/W Ratio1.40
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.88 mm5.62 mm1.66 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG782629342
Side View
Table 63.0%Crown 35.9°Girdle: MediumPavilion 39.4°Culet: LargeDepth 67.8%

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: $1,430 USD|Low: $201 USD|High: $1,690 USD|Avg: $775 USD|-15.4%
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
October 30, 2026
Retailer 3$207 USD
Retailer 11$240 USD
Retailer 2$433 USD
Retailer 5$447 USD
Retailer 13$593 USD
Retailer 9$599 USD
Retailer 7$776 USD
Retailer 14$825 USD
Retailer 10$828 USD
Retailer 6$838 USD
Retailer 12$953 USD
Retailer 8$1,034 USD
Retailer 15$1,035 USD
Retailer 4$1,057 USD
Brilliant Earth$1,430 USD

26 data points across 15 retailers

12 retailers$207 USD to $1,430 USD

A
Cheapest Retailer
-
$207 USD
A
Retailer 2
-
$240 USD
View
A
Retailer 3
-
$433 USD
€412 EUR
View
A
Retailer 4
-
$593 USD
View
A
Retailer 5
-
$599 USD
A$922 AUD
View
B+
Retailer 6
-
$825 USD
View
B+
Retailer 7
-
$828 USD
View
B+
Retailer 8
-
$953 USD
View
B+
Retailer 9
-
$1,034 USD
£814 GBP
View
Retailer 10
-
$1,035 USD
SGD 1,399 SGD
View
Price last confirmed 20 days ago
B
Retailer 11
-
$1,064 USD
View
Most Expensive
B
Brilliant Earth
20811727A · Oct 30
$1,430 USD
View
11 more retailers have this diamond
Prices start from $207 USDSave up to $1,223 USD

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
$207 USD