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 $386 NZD
$217 USD
As of November 1, 2026
Save $1,833 NZD (83%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,608 NZD 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
Colour
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: $3,608 NZD|Low: $370 NZD|High: $3,608 NZD|Avg: $1,206 NZD
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
November 3, 2026
Retailer 15$386 NZD
Retailer 7$430 NZD
Retailer 3$478 NZD
Retailer 13$640 NZD
Retailer 12$773 NZD
Retailer 9$826 NZD
Retailer 2$888 NZD
Retailer 6$1,073 NZD
Retailer 8$1,118 NZD
Retailer 11$1,164 NZD
Retailer 5$1,601 NZD
Retailer 14$1,777 NZD
Retailer 10$1,919 NZD
Retailer 4$1,948 NZD
Brilliant Earth$3,608 NZD

46 data points across 15 retailers

24 retailers$386 NZD to $2,219 NZD

A
Cheapest Retailer
-
$386 NZD
$217 USD
A
Retailer 2
-
$430 NZD
$242 USD
View
Final sale: no returns
A
Retailer 3
-
$448 NZD
$252 USD
View
A
Retailer 4
-
$478 NZD
$269 USD
View
B+
Retailer 5
-
$640 NZD
$360 USD
View
A
Retailer 6
-
$773 NZD
€414 EUR
View
A
Retailer 7
-
$826 NZD
ZAR 7,511 ZAR
View
A
Retailer 8
-
$888 NZD
£394 GBP
View
A
Retailer 9
-
$974 NZD
$548 USD
View
A
Retailer 10
-
$1,065 NZD
$599 USD
View
A
Retailer 11
-
$1,073 NZD
$604 USD
View
A
Retailer 12
-
$1,118 NZD
A$968 AUD
View
B+
Retailer 13
-
$1,164 NZD
$655 USD
View
Retailer 14
-
$1,242 NZD
$699 USD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
$1,539 NZD
$866 USD
View
Retailer 16
-
$1,601 NZD
A$1,386 AUD
View
Price last confirmed 28 days ago
B+
Retailer 17
-
$1,633 NZD
$919 USD
View
B+
Retailer 18
-
$1,777 NZD
$1,000 USD
View
B
Retailer 19
-
$1,869 NZD
£828 GBP
View
B
Retailer 20
-
$1,918 NZD
$1,079 USD
View
B+
Retailer 21
-
$1,919 NZD
£850 GBP
View
B
Retailer 22
-
$1,948 NZD
$1,096 USD
View
B
Retailer 23
-
$2,219 NZD
$1,248 USD
View
Most Expensive
Brilliant Earth
16047215A · Oct 10
$3,608 NZD
$2,030 USD
View
Price last confirmed 23 days ago
23 more retailers have this diamond
Prices start from $386 NZDSave up to $1,833 NZD

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
$386 NZD