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Emerald|Lab Grown|IGI

1.66ct F VS2 Emerald Lab Grown Diamond

VG • F/VS2 • IGI LG758503485

Shape and cutting style on the report: Emerald cut

Certificate IGI LG758503485

Diamond specifications and retailer prices

From £335 GBP
€428 EUR
As of October 27, 2026
Save £1,081 GBP (76%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,416 GBP at Brilliant Earth · As of October 28, 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 VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG758503485 or 758503485. Listed at 17 retailers as of October 27, 2026, with prices from £335 to £1,416, a £1,081 spread on the same certified stone. Brilliant Earth lists it at £1,416. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.66
Carat
F
Colour
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle43.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758503485
Dimensions7.99 × 5.39 × 3.83 mm
L/W Ratio1.48
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.99 mm5.39 mm1.66 ctF / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG758503485
Side View
Table 66.0%Crown 33.4°Girdle: Slightly ThickPavilion 43.5°Culet: LargeDepth 71.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: £1,416 GBP|Low: £148 GBP|High: £1,461 GBP|Avg: £565 GBP|-3.1%
Brilliant Earth
Retailer 2
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Retailer 16
October 27, 2026
Retailer 6£150 GBP
Retailer 12£174 GBP
Retailer 4£186 GBP
Retailer 11£186 GBP
Retailer 13£323 GBP
Retailer 9£329 GBP
Retailer 2£335 GBP
Retailer 5£382 GBP
Retailer 15£420 GBP
Retailer 3£597 GBP
Retailer 14£599 GBP
Retailer 8£629 GBP
Retailer 10£727 GBP
Retailer 16£756 GBP
Retailer 7£862 GBP
Brilliant Earth£1,416 GBP

36 data points across 16 retailers

17 retailers£335 GBP to £1,416 GBP

Retailer 1
-
£150 GBP
$201 USD
Price last confirmed 10 days ago
Retailer 2
-
£174 GBP
$233 USD
View
Price last confirmed 9 days ago
Retailer 3
-
£186 GBP
$249 USD
View
Price last confirmed 8 days ago
Retailer 4
-
£186 GBP
$249 USD
View
Price last confirmed 8 days ago
Retailer 5
-
£323 GBP
$433 USD
View
Price last confirmed 8 days ago
Retailer 6
-
£329 GBP
View
Price last confirmed 7 days ago
A
Retailer 7
-
£335 GBP
€428 EUR
View
Retailer 8
-
£382 GBP
$512 USD
View
Price last confirmed 7 days ago
Retailer 9
-
£420 GBP
$564 USD
View
Price last confirmed 8 days ago
Retailer 10
-
£597 GBP
$801 USD
View
Price last confirmed 8 days ago
Retailer 11
-
£599 GBP
$804 USD
View
Price last confirmed 7 days ago
Retailer 12
-
£629 GBP
$845 USD
View
Price last confirmed 15 days ago
Retailer 13
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£678 GBP
$910 USD
View
Price last confirmed 15 days ago
Retailer 14
-
£727 GBP
View
Price last confirmed 8 days ago
Retailer 15
-
£756 GBP
$1,015 USD
View
Price last confirmed 7 days ago
Retailer 16
-
£862 GBP
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
17333184A · Oct 28
£1,416 GBP
$1,900 USD
View
16 more retailers have this diamond
Prices start from £335 GBPSave up to £1,081 GBP

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
£335 GBP