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Emerald|Lab Grown|IGI

1.66ct F VS1 Emerald Lab Grown Diamond

ID • F/VS1 • IGI LG550231699

Shape and cutting style on the report: Emerald cut

Certificate IGI LG550231699

Diamond specifications and retailer prices

From $217 USD
As of November 1, 2026
Save $1,031 USD (83%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,030 USD at Brilliant Earth · As of October 10, 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 LG550231699 or 550231699. Listed at 24 retailers as of November 1, 2026, with a 475% 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
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.3°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG550231699
Dimensions7.80 × 5.57 × 3.75 mm
L/W Ratio1.40
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
Top View
7.80 mm5.57 mm1.66 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG550231699
Side View
Table 61.5%Crown 29.3°Girdle: MED-STKPavilion 39.8°Culet: LNGDepth 67.3%

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: Nov 1
Current: $2,030 USD|Low: $208 USD|High: $2,030 USD|Avg: $705 USD
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
Retailer 16
November 2, 2026
Retailer 16$217 USD
Retailer 7$242 USD
Retailer 3$269 USD
Retailer 14$360 USD
Retailer 13$435 USD
Retailer 10$465 USD
Retailer 9$500 USD
Retailer 6$604 USD
Retailer 2$629 USD
Retailer 12$655 USD
Retailer 5$901 USD
Retailer 15$1,000 USD
Retailer 8$1,052 USD
Retailer 11$1,080 USD
Retailer 4$1,096 USD
Brilliant Earth$2,030 USD

46 data points across 16 retailers

24 retailers$217 USD to $1,248 USD

A
Cheapest Retailer
-
$217 USD
A
Retailer 2
-
$242 USD
View
Final sale: no returns
A
Retailer 3
-
$252 USD
View
A
Retailer 4
-
$269 USD
View
B+
Retailer 5
-
$360 USD
View
A
Retailer 6
-
$435 USD
€414 EUR
View
A
Retailer 7
-
$465 USD
ZAR 7,511 ZAR
View
A
Retailer 8
-
$500 USD
£394 GBP
View
A
Retailer 9
-
$548 USD
View
A
Retailer 10
-
$599 USD
View
A
Retailer 11
-
$604 USD
View
A
Retailer 12
-
$629 USD
A$968 AUD
View
B+
Retailer 13
-
$655 USD
View
Retailer 14
-
$699 USD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
$866 USD
View
Retailer 16
-
$901 USD
A$1,386 AUD
View
Price last confirmed 28 days ago
B+
Retailer 17
-
$919 USD
View
B+
Retailer 18
-
$1,000 USD
View
B
Retailer 19
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$1,052 USD
£828 GBP
View
B
Retailer 20
-
$1,079 USD
View
B+
Retailer 21
-
$1,080 USD
£850 GBP
View
B
Retailer 22
-
$1,096 USD
View
B
Retailer 23
-
$1,248 USD
View
Most Expensive
Brilliant Earth
16047215A · Oct 10
$2,030 USD
View
Price last confirmed 23 days ago
23 more retailers have this diamond
Prices start from $217 USDSave up to $1,031 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
$217 USD