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Emerald|Lab Grown|IGI

1.66ct F VS1 Emerald Lab Grown Diamond

ID • F/VS1 • IGI LG754501607

Shape and cutting style on the report: Emerald cut

Certificate IGI LG754501607

Diamond specifications and retailer prices

From £152 GBP
$204 USD
As of October 30, 2026
Save £736 GBP (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £888 GBP at MOH London · As of October 29, 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 LG754501607 or 754501607. Listed at 12 retailers as of October 29, 2026, with prices from £152 to £888, a £736 spread on the same certified stone. MOH London lists it at £888. 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 angle34.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754501607
Dimensions8.00 × 5.49 × 3.72 mm
L/W Ratio1.46
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.00 mm5.49 mm1.66 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754501607
Side View
Table 65.0%Crown 34.9°Girdle: MediumPavilion 40.6°Culet: LNGDepth 67.8%

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: Oct 30
Current: £888 GBP|Low: £152 GBP|High: £893 GBP|Avg: £554 GBP|+15.8%
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
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Retailer 16
October 29, 2026
Retailer 4£152 GBP
Retailer 12£177 GBP
Retailer 5£281 GBP
Retailer 2£318 GBP
Retailer 6£323 GBP
Retailer 15£440 GBP
Retailer 9£440 GBP
Retailer 7£577 GBP
Retailer 16£607 GBP
Retailer 8£609 GBP
Retailer 11£610 GBP
Retailer 14£701 GBP
Retailer 10£738 GBP
Retailer 3£763 GBP
Retailer 13£782 GBP
MOH London£888 GBP

22 data points across 16 retailers

12 retailers£152 GBP to £888 GBP

A
Cheapest Retailer
-
£152 GBP
$204 USD
A
Retailer 2
-
£177 GBP
$237 USD
View
A
Retailer 3
-
£318 GBP
€407 EUR
View
A
Retailer 4
-
£440 GBP
$590 USD
View
A
Retailer 5
-
£440 GBP
A$909 AUD
View
B+
Retailer 6
-
£607 GBP
$815 USD
View
B+
Retailer 7
-
£610 GBP
$818 USD
View
B+
Retailer 8
-
£701 GBP
$941 USD
View
B+
Retailer 9
-
£738 GBP
$990 USD
View
Retailer 10
-
£763 GBP
SGD 1,383 SGD
View
Price last confirmed 20 days ago
B
Retailer 11
-
£782 GBP
$1,049 USD
View
Most Expensive
B
MOH London
LG754501607 · Oct 29
£888 GBP
View
11 more retailers have this diamond
Prices start from £152 GBPSave up to £736 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
£152 GBP