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Emerald|Lab Grown|IGI

1.55ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG812635984

Shape and cutting style on the report: Emerald cut

Certificate IGI LG812635984

Diamond specifications and retailer prices

From £311 GBP
$414 USD
As of October 27, 2026
Save £1,718 GBP (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £2,029 GBP at Blue Nile · As of October 29, 2026
View at Blue Nile

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG812635984 or 812635984. Listed at 21 retailers as of October 27, 2026, with prices from £311 to £2,029, a £1,718 spread on the same certified stone. Blue Nile lists it at £2,029. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812635984
Dimensions8.08 × 5.38 × 3.49 mm
L/W Ratio1.50
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.08 mm5.38 mm1.55 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812635984
Side View
Table 66.0%Crown 33.9°Girdle: Slightly ThickPavilion 38.5°Culet: LargeDepth 64.9%

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 27
Current: £2,029 GBP|Low: £248 GBP|High: £2,029 GBP|Avg: £939 GBP|+6.1%
Blue Nile
Retailer 2
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October 29, 2026
Retailer 18£311 GBP
Retailer 13£348 GBP
Retailer 5£348 GBP
Retailer 3£385 GBP
Retailer 4£423 GBP
Retailer 14£496 GBP
Retailer 2£633 GBP
Retailer 12£720 GBP
Retailer 9£841 GBP
Retailer 17£931 GBP
Retailer 8£946 GBP
Retailer 7£1,122 GBP
Retailer 19£1,195 GBP
Retailer 6£1,227 GBP
Retailer 10£1,265 GBP
Retailer 11£1,409 GBP
Retailer 15£1,424 GBP
Retailer 16£1,716 GBP
Blue Nile£2,029 GBP

43 data points across 19 retailers

21 retailers£311 GBP to £2,029 GBP

A
Cheapest Retailer
-
£311 GBP
$414 USD
A
Retailer 2
-
£348 GBP
$463 USD
View
Final sale: no returns
A
Retailer 3
-
£348 GBP
$464 USD
View
A
Retailer 4
-
£385 GBP
$513 USD
View
A
Retailer 5
-
£423 GBP
HK$4,400 HKD
View
A
Retailer 6
-
£496 GBP
$660 USD
View
A
Retailer 7
-
£574 GBP
$765 USD
View
A
Retailer 8
-
£633 GBP
View
A
Retailer 9
-
£720 GBP
€913 EUR
View
B+
Retailer 10
-
£841 GBP
$1,120 USD
View
B+
Retailer 11
-
£931 GBP
$1,240 USD
View
B+
Retailer 12
-
£946 GBP
$1,260 USD
View
B+
Retailer 13
-
£1,122 GBP
View
B+
Retailer 14
-
£1,195 GBP
$1,592 USD
View
B
Retailer 15
-
£1,227 GBP
SGD 2,208 SGD
View
B
Retailer 16
-
£1,265 GBP
$1,685 USD
View
B
Retailer 17
-
£1,398 GBP
$1,862 USD
View
B
Retailer 18
-
£1,409 GBP
$1,877 USD
View
B+
Retailer 19
-
£1,424 GBP
View
B
Retailer 20
-
£1,716 GBP
$2,285 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Blue Nile
29476227 · Oct 29
£2,029 GBP
$2,702 USD
View
20 more retailers have this diamond
Prices start from £311 GBPSave up to £1,718 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
£311 GBP