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Emerald|Lab Grown|IGI

0.50ct G SI1 Emerald Lab Grown Diamond

ID • G/SI1 • IGI LG526283765

Shape and cutting style on the report: Emerald cut

Certificate IGI LG526283765

Diamond specifications and retailer prices

From £92 GBP
$123 USD
As of October 29, 2026
Save £614 GBP (87%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £952 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.5ct lab-grown emerald diamond

This 0.5ct 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 LG526283765 or 526283765. Listed at 15 retailers as of October 29, 2026, with a 669% 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

0.50
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle27.8°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526283765
Dimensions5.68 × 3.68 × 2.31 mm
L/W Ratio1.54
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
5.68 mm3.68 mm0.50 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG526283765
Side View
Table 64.5%Crown 27.8°Girdle: MED-STKPavilion 38.4°Culet: LNGDepth 62.8%

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 29
Current: £952 GBP|Low: £72 GBP|High: £958 GBP|Avg: £261 GBP|+0.5%
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 30, 2026
Retailer 7£92 GBP
Retailer 4£102 GBP
Retailer 12£106 GBP
Retailer 8£121 GBP
Retailer 11£121 GBP
Retailer 2£187 GBP
Retailer 9£219 GBP
Retailer 5£235 GBP
Retailer 3£283 GBP
Retailer 10£364 GBP
Retailer 6£406 GBP
MOH London£952 GBP

44 data points across 12 retailers

15 retailers£92 GBP to £706 GBP

A
Cheapest Retailer
-
£92 GBP
$123 USD
A
Retailer 2
-
£102 GBP
$137 USD
View
Final sale: no returns
A
Retailer 3
-
£106 GBP
$142 USD
View
A
Retailer 4
-
£121 GBP
$162 USD
View
A
Retailer 5
-
£121 GBP
$162 USD
View
B+
Retailer 6
-
£187 GBP
$250 USD
View
B+
Retailer 7
-
£219 GBP
$293 USD
View
B+
Retailer 8
-
£229 GBP
HK$2,400 HKD
View
B
Retailer 9
-
£235 GBP
View
B
Retailer 10
-
£283 GBP
$379 USD
View
B
Retailer 11
-
£364 GBP
$488 USD
View
B
Retailer 12
-
£406 GBP
$544 USD
View
B
Retailer 13
-
£407 GBP
$545 USD
View
B
Retailer 14
-
£706 GBP
$946 USD
View
Most Expensive
MOH London
LG526283765 · Oct 29
£952 GBP
View
Price under review
14 more retailers have this diamond
Prices start from £92 GBPSave up to £614 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
0.50ct Emerald
£92 GBP