Emerald|Lab Grown|IGI

1.55ct E VS1 Emerald Lab Grown Diamond

ID • E/VS1 • IGI LG818658371

Shape and cutting style on the report: Emerald cut

Certificate IGI LG818658371

Diamond specifications and retailer prices

From £145 GBP
$194 USD
As of October 30, 2026
Save £1,243 GBP (90%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £1,448 GBP at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

About this 1.55ct lab-grown emerald diamond

This 1.55ct lab-grown emerald sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818658371 or 818658371. Listed at 23 retailers as of October 29, 2026, with a 859% 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

1.55
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.5°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818658371
Dimensions7.82 × 5.44 × 3.73 mm
L/W Ratio1.44
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.82 mm5.44 mm1.55 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818658371
Side View
Table 58.0%Crown 29.5°Girdle: MED-STKPavilion 39°Culet: LargeDepth 68.6%

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: £1,448 GBP|Low: £139 GBP|High: £1,582 GBP|Avg: £572 GBP|-8.5%
Brilliant Earth
Retailer 2
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October 30, 2026
Retailer 23£145 GBP
Retailer 6£161 GBP
Retailer 3£167 GBP
Retailer 9£179 GBP
Retailer 16£179 GBP
Retailer 11£305 GBP
Retailer 4£313 GBP
Retailer 19£340 GBP
Retailer 13£352 GBP
Retailer 2£366 GBP
Retailer 10£372 GBP
Retailer 20£462 GBP
Retailer 21£524 GBP
Retailer 5£635 GBP
Retailer 18£662 GBP
Retailer 14£744 GBP
Retailer 22£754 GBP
Retailer 12£764 GBP
Retailer 15£794 GBP
Retailer 17£796 GBP
Retailer 8£876 GBP
Retailer 7£1,388 GBP
Brilliant Earth£1,448 GBP

35 data points across 23 retailers

23 retailers£145 GBP to £1,388 GBP

A
Cheapest Retailer
-
£145 GBP
$194 USD
A
Retailer 2
-
£161 GBP
$216 USD
View
Final sale: no returns
A
Retailer 3
-
£167 GBP
$224 USD
View
A
Retailer 4
-
£179 GBP
$240 USD
View
A
Retailer 5
-
£179 GBP
$240 USD
View
A
Retailer 6
-
£305 GBP
$408 USD
View
B+
Retailer 7
-
£313 GBP
$419 USD
View
A
Retailer 8
-
£340 GBP
ZAR 7,351 ZAR
View
A
Retailer 9
-
£352 GBP
€449 EUR
View
A
Retailer 10
-
£366 GBP
View
A
Retailer 11
-
£372 GBP
$499 USD
View
B+
Retailer 12
-
£462 GBP
A$952 AUD
View
B+
Retailer 13
-
£524 GBP
$702 USD
View
B+
Retailer 14
-
£635 GBP
$851 USD
View
B+
Retailer 15
-
£662 GBP
A$1,364 AUD
View
B
Retailer 16
-
£744 GBP
$997 USD
View
B
Retailer 17
-
£754 GBP
$1,010 USD
View
B
Retailer 18
-
£764 GBP
$1,024 USD
View
B
Retailer 19
-
£794 GBP
SGD 1,438 SGD
View
B
Retailer 20
-
£796 GBP
View
B
Retailer 21
-
£876 GBP
$1,174 USD
View
B
Retailer 22
-
£1,388 GBP
$1,860 USD
View
Most Expensive
Brilliant Earth
21793127A · Oct 22
£1,448 GBP
$1,940 USD
View
Price last confirmed 8 days ago
22 more retailers have this diamond
Prices start from £145 GBPSave up to £1,243 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
1.55ct Emerald
£145 GBP