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Emerald|Lab Grown|IGI

1.55ct E IF Emerald Lab Grown Diamond

EX • E/IF • IGI LG621447147

Shape and cutting style on the report: Emerald cut

Certificate IGI LG621447147

Diamond specifications and retailer prices

From £201 GBP
$268 USD
As of October 27, 2026
Save £2,343 GBP (92%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £2,658 GBP at Brilliant Earth · As of October 16, 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 LG621447147 or 621447147. Listed at 21 retailers as of October 27, 2026, with a 1164% 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621447147
Dimensions7.69 × 5.47 × 3.67 mm
L/W Ratio1.41
Culet sizeLarge
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.69 mm5.47 mm1.55 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621447147
Side View
Table 65.0%Crown 33.9°Girdle: THN-MEDPavilion 39.9°Culet: LargeDepth 67.1%

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 27
Current: £2,658 GBP|Low: £195 GBP|High: £2,658 GBP|Avg: £683 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 19
October 29, 2026
Retailer 17£201 GBP
Retailer 7£225 GBP
Retailer 16£234 GBP
Retailer 8£250 GBP
Retailer 9£250 GBP
Retailer 6£335 GBP
Retailer 15£368 GBP
Retailer 14£474 GBP
Retailer 2£488 GBP
Retailer 18£504 GBP
Retailer 5£621 GBP
Retailer 13£641 GBP
Retailer 3£710 GBP
Retailer 10£887 GBP
Retailer 11£961 GBP
Retailer 4£1,011 GBP
Retailer 12£1,112 GBP
Retailer 19£1,787 GBP
Brilliant Earth£2,658 GBP

34 data points across 19 retailers

21 retailers£201 GBP to £2,544 GBP

A
Cheapest Retailer
-
£201 GBP
$268 USD
A
Retailer 2
-
£225 GBP
$300 USD
View
Final sale: no returns
A
Retailer 3
-
£234 GBP
$311 USD
View
A
Retailer 4
-
£250 GBP
$333 USD
View
A
Retailer 5
-
£250 GBP
$333 USD
View
B+
Retailer 6
-
£335 GBP
$446 USD
View
A
Retailer 7
-
£368 GBP
$490 USD
View
A
Retailer 8
-
£474 GBP
ZAR 10,200 ZAR
View
A
Retailer 9
-
£488 GBP
View
A
Retailer 10
-
£504 GBP
$671 USD
View
A
Retailer 11
-
£621 GBP
$827 USD
View
A
Retailer 12
-
£641 GBP
A$1,314 AUD
View
A
Retailer 13
-
£710 GBP
$946 USD
View
B+
Retailer 14
-
£887 GBP
$1,181 USD
View
B+
Retailer 15
-
£961 GBP
$1,280 USD
View
B+
Retailer 16
-
£1,011 GBP
$1,346 USD
View
B+
Retailer 17
-
£1,112 GBP
View
B
Retailer 18
-
£1,787 GBP
$2,380 USD
View
B
Retailer 19
-
£2,185 GBP
$2,910 USD
View
B
Retailer 20
-
£2,544 GBP
$3,388 USD
View
Most Expensive
B
Brilliant Earth
14384852Y · Oct 16
£2,658 GBP
$3,540 USD
View
Price last confirmed 13 days ago
20 more retailers have this diamond
Prices start from £201 GBPSave up to £2,343 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
£201 GBP