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Emerald|Lab Grown|IGI

1.66ct E VVS1 Emerald Lab Grown Diamond

ID • E/VVS1 • IGI LG729579199

Shape and cutting style on the report: Emerald cut

Certificate IGI LG729579199

Diamond specifications and retailer prices

From £357 GBP
$479 USD
As of October 30, 2026
Save £1,302 GBP (78%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,659 GBP at Brilliance · As of October 30, 2026
View at Brilliance

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 E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG729579199 or 729579199. Listed at 17 retailers as of October 30, 2026, with prices from £357 to £1,659, a £1,302 spread on the same certified stone. Brilliance lists it at £1,659. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle43.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729579199
Dimensions8.43 × 5.66 × 3.65 mm
L/W Ratio1.49
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.43 mm5.66 mm1.66 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729579199
Side View
Table 64.0%Crown 34.1°Girdle: MediumPavilion 43.6°Culet: LargeDepth 64.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,659 GBP|Low: £285 GBP|High: £1,799 GBP|Avg: £885 GBP|-7.8%
Brilliance
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
Retailer 17
October 30, 2026
Retailer 14£357 GBP
Retailer 6£400 GBP
Retailer 4£401 GBP
Retailer 15£443 GBP
Retailer 17£443 GBP
Retailer 12£549 GBP
Retailer 8£604 GBP
Retailer 5£678 GBP
Retailer 16£691 GBP
Retailer 11£762 GBP
Retailer 2£1,032 GBP
Retailer 13£1,192 GBP
Retailer 7£1,297 GBP
Retailer 3£1,425 GBP
Retailer 9£1,436 GBP
Retailer 10£1,637 GBP
Brilliance£1,659 GBP

32 data points across 17 retailers

17 retailers£357 GBP to £1,659 GBP

A
Cheapest Retailer
-
£357 GBP
$479 USD
A
Retailer 2
-
£400 GBP
$536 USD
View
Final sale: no returns
A
Retailer 3
-
£401 GBP
$537 USD
View
Retailer 4
-
£443 GBP
$594 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
£443 GBP
$594 USD
View
B+
Retailer 6
-
£549 GBP
$735 USD
View
B+
Retailer 7
-
£604 GBP
$809 USD
View
B+
Retailer 8
-
£678 GBP
$909 USD
View
B+
Retailer 9
-
£691 GBP
$926 USD
View
B+
Retailer 10
-
£762 GBP
ZAR 16,491 ZAR
View
B
Retailer 11
-
£1,032 GBP
A$2,128 AUD
View
B
Retailer 12
-
£1,192 GBP
$1,597 USD
View
B
Retailer 13
-
£1,297 GBP
View
B
Retailer 14
-
£1,425 GBP
$1,909 USD
View
B
Retailer 15
-
£1,436 GBP
$1,923 USD
View
B
Retailer 16
-
£1,637 GBP
View
Most Expensive
B
Brilliance
D40583017 · Oct 30
£1,659 GBP
$2,223 USD
View
16 more retailers have this diamond
Prices start from £357 GBPSave up to £1,302 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
£357 GBP