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Emerald|Lab Grown|IGI

1.55ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG831621335

Shape and cutting style on the report: Emerald cut

Certificate IGI LG831621335

Diamond specifications and retailer prices

From £186 GBP
$248 USD
As of October 27, 2026
Save £2,374 GBP (93%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,561 GBP at Brilliant Earth · As of October 28, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831621335 or 831621335. Listed at 13 retailers as of October 27, 2026, with prices from £186 to £2,561, a £2,374 spread on the same certified stone. Brilliant Earth lists it at £2,561. 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 angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831621335
Dimensions7.63 × 5.58 × 3.54 mm
L/W Ratio1.37
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.63 mm5.58 mm1.55 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831621335
Side View
Table 65.0%Crown 33.9°Girdle: Slightly ThickPavilion 37.1°Culet: LargeDepth 63.4%

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: £2,561 GBP|Low: £186 GBP|High: £2,673 GBP|Avg: £812 GBP|-4.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 6£186 GBP
Retailer 8£375 GBP
Retailer 4£387 GBP
Retailer 7£448 GBP
Retailer 5£538 GBP
Retailer 9£641 GBP
Retailer 3£742 GBP
Retailer 2£930 GBP
Retailer 10£1,671 GBP
Brilliant Earth£2,561 GBP

27 data points across 10 retailers

13 retailers£186 GBP to £2,561 GBP

A
Cheapest Retailer
-
£186 GBP
$248 USD
A
Retailer 2
-
£211 GBP
$281 USD
View
Price last confirmed 37 days ago
A
Retailer 3
-
£245 GBP
$326 USD
View
Price last confirmed 34 days ago
A
Retailer 4
-
£375 GBP
$500 USD
View
A
Retailer 5
-
£387 GBP
$515 USD
View
A
Retailer 6
-
£448 GBP
€568 EUR
View
A
Retailer 7
-
£538 GBP
A$1,103 AUD
View
A
Retailer 8
-
£641 GBP
$853 USD
View
A
Retailer 9
-
£742 GBP
$988 USD
View
B+
Retailer 10
-
£840 GBP
$1,119 USD
View
Price last confirmed 32 days ago
B+
Retailer 11
-
£930 GBP
View
B
Retailer 12
-
£1,671 GBP
$2,225 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
21497275A · Oct 28
£2,561 GBP
$3,410 USD
View
12 more retailers have this diamond
Prices start from £186 GBPSave up to £2,374 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
£186 GBP