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Emerald|Lab Grown|IGI

0.54ct G SI1 Emerald Lab Grown Diamond

ID • G/SI1 • IGI LG506195994

Shape and cutting style on the report: Emerald cut

Certificate IGI LG506195994

Diamond specifications and retailer prices

From £252 GBP
$338 USD
As of October 29, 2026
Save £665 GBP (72%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,255 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 0.54ct lab-grown emerald diamond

This 0.54ct lab-grown emerald sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG506195994 or 506195994. Listed at 12 retailers as of October 29, 2026, with a 264% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.54
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle25.5°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG506195994
Dimensions5.48 × 3.78 × 2.56 mm
L/W Ratio1.45
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
5.48 mm3.78 mm0.54 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG506195994
Side View
Table 63.5%Crown 25.5°Girdle: MED-THKPavilion 34.5°Culet: LNGDepth 67.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £1,255 GBP|Low: £242 GBP|High: £1,268 GBP|Avg: £519 GBP|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 8£252 GBP
Retailer 6£254 GBP
Retailer 4£282 GBP
Retailer 3£293 GBP
Retailer 9£313 GBP
Retailer 12£313 GBP
Retailer 10£504 GBP
Retailer 5£561 GBP
Retailer 2£564 GBP
Retailer 7£917 GBP
Retailer 11£1,005 GBP
MOH London£1,255 GBP

45 data points across 12 retailers

12 retailers£252 GBP to £917 GBP

B+
Cheapest Retailer
-
£252 GBP
$338 USD
B+
Retailer 2
-
£254 GBP
$340 USD
View
B+
Retailer 3
-
£282 GBP
$378 USD
View
Final sale: no returns
B+
Retailer 4
-
£293 GBP
$392 USD
View
B
Retailer 5
-
£313 GBP
$419 USD
View
B
Retailer 6
-
£313 GBP
$419 USD
View
B
Retailer 7
-
£504 GBP
$675 USD
View
B
Retailer 8
-
£561 GBP
View
B
Retailer 9
-
£564 GBP
€720 EUR
View
B
Retailer 10
-
£917 GBP
$1,229 USD
View
Retailer 11
-
£1,005 GBP
$1,347 USD
View
Price under review
Most Expensive
MOH London
LG506195994 · Oct 26
£1,255 GBP
View
Price under review
11 more retailers have this diamond
Prices start from £252 GBPSave up to £665 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.

B+
0.54ct Emerald
£252 GBP