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Emerald|Lab Grown|IGI

1.66ct F VS1 Emerald Lab Grown Diamond

ID • F/VS1 • IGI LG551279043

Shape and cutting style on the report: Emerald cut

Certificate IGI LG551279043

Diamond specifications and retailer prices

From $2,797 AUD
$1,960 USD
As of November 2, 2026
Save $1,712 AUD (38%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $11,449 AUD at MOH London · As of November 1, 2026
View at MOH London

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 LG551279043 or 551279043. Listed at 17 retailers as of November 2, 2026, with a 61% 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 angle35.4°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG551279043
Dimensions7.99 × 5.63 × 3.67 mm
L/W Ratio1.42
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
7.99 mm5.63 mm1.66 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG551279043
Side View
Table 63.5%Crown 35.4°Girdle: MediumPavilion 41.9°Culet: LargeDepth 65.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $11,449 AUD|Low: $2,797 AUD|High: $11,603 AUD|Avg: $6,385 AUD
MOH London
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 2, 2026
Retailer 10$2,797 AUD
Retailer 12$3,686 AUD
Retailer 5$4,011 AUD
Retailer 6$4,127 AUD
Retailer 4$4,276 AUD
Retailer 13$4,276 AUD
Retailer 2$5,775 AUD
Retailer 3$5,877 AUD
Retailer 11$6,274 AUD
Retailer 15$6,661 AUD
Retailer 9$7,861 AUD
Retailer 7$8,111 AUD
Retailer 8$10,646 AUD
Retailer 14$11,417 AUD
MOH London$11,449 AUD

44 data points across 15 retailers

17 retailers$2,797 AUD to $4,509 AUD

B
Cheapest Retailer
-
$2,797 AUD
$1,960 USD
B
Retailer 2
-
$3,686 AUD
$2,583 USD
View
B
Retailer 3
-
$4,011 AUD
$2,811 USD
View
B
Retailer 4
-
$4,127 AUD
$2,892 USD
View
Final sale: no returns
B
Retailer 5
-
$4,276 AUD
$2,997 USD
View
Retailer 6
-
$4,276 AUD
$2,997 USD
View
Price last confirmed 21 days ago
B
Retailer 7
-
$4,509 AUD
$3,160 USD
View
Retailer 8
-
$5,775 AUD
£3,187 GBP
View
Price under review
Retailer 9
-
$5,877 AUD
$4,119 USD
View
Price under review
Retailer 10
-
$6,274 AUD
$4,397 USD
View
Price under review
Retailer 11
-
$6,661 AUD
$4,668 USD
View
Price under review
Most Expensive
MOH London
LG551279043 · Nov 1
$11,449 AUD
£6,318 GBP
View
Price under review
11 more retailers have this diamond
Prices start from $2,797 AUDSave up to $1,712 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.

B
1.66ct Emerald
$2,797 AUD