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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 $310 AUD
$217 USD
As of November 1, 2026
Save $1,472 AUD (83%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,897 AUD 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: $2,897 AUD|Low: $297 AUD|High: $2,897 AUD|Avg: $1,007 AUD
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$310 AUD
Retailer 7$345 AUD
Retailer 3$384 AUD
Retailer 14$514 AUD
Retailer 13$620 AUD
Retailer 10$663 AUD
Retailer 9$713 AUD
Retailer 6$862 AUD
Retailer 2$898 AUD
Retailer 12$935 AUD
Retailer 5$1,285 AUD
Retailer 15$1,427 AUD
Retailer 8$1,500 AUD
Retailer 11$1,540 AUD
Retailer 4$1,564 AUD
Brilliant Earth$2,897 AUD

45 data points across 16 retailers

24 retailers$310 AUD to $1,781 AUD

A
Cheapest Retailer
-
$310 AUD
$217 USD
A
Retailer 2
-
$345 AUD
$242 USD
View
Final sale: no returns
A
Retailer 3
-
$360 AUD
$252 USD
View
A
Retailer 4
-
$384 AUD
$269 USD
View
B+
Retailer 5
-
$514 AUD
$360 USD
View
A
Retailer 6
-
$620 AUD
€414 EUR
View
A
Retailer 7
-
$663 AUD
ZAR 7,511 ZAR
View
A
Retailer 8
-
$713 AUD
£394 GBP
View
A
Retailer 9
-
$782 AUD
$548 USD
View
A
Retailer 10
-
$855 AUD
$599 USD
View
A
Retailer 11
-
$862 AUD
$604 USD
View
A
Retailer 12
-
$898 AUD
View
B+
Retailer 13
-
$935 AUD
$655 USD
View
Retailer 14
-
$997 AUD
$699 USD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
$1,236 AUD
$866 USD
View
Retailer 16
-
$1,285 AUD
View
Price last confirmed 28 days ago
B+
Retailer 17
-
$1,311 AUD
$919 USD
View
B+
Retailer 18
-
$1,427 AUD
$1,000 USD
View
B
Retailer 19
-
$1,500 AUD
£828 GBP
View
B
Retailer 20
-
$1,540 AUD
$1,079 USD
View
B+
Retailer 21
-
$1,540 AUD
£850 GBP
View
B
Retailer 22
-
$1,564 AUD
$1,096 USD
View
B
Retailer 23
-
$1,781 AUD
$1,248 USD
View
Most Expensive
Brilliant Earth
16047215A · Oct 10
$2,897 AUD
$2,030 USD
View
Price last confirmed 23 days ago
23 more retailers have this diamond
Prices start from $310 AUDSave up to $1,472 AUD

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
$310 AUD