Radiant|Lab Grown|IGI

0.50ct H SI1 Radiant Lab Grown Diamond

ID • H/SI1 • IGI LG542212300

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG542212300

Diamond specifications and retailer prices

From €110 EUR
$123 USD
As of October 30, 2026
Save €1,026 EUR (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,136 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 0.5ct lab-grown radiant diamond

This 0.5ct lab-grown radiant sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG542212300 or 542212300. Listed at 12 retailers as of October 30, 2026, with prices from €110 to €1,136, a €1,026 spread on the same certified stone. MOH London lists it at €1,136. 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
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle29.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG542212300
Dimensions5.41 × 3.90 × 2.62 mm
L/W Ratio1.39
Culet sizePointed
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
5.41 mm3.90 mm0.50 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG542212300
Side View
Table 63.0%Crown 36.7°Girdle: STK-THKPavilion 29.6°Culet: NoneDepth 67.2%

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 30
Current: €1,136 EUR|Low: €106 EUR|High: €1,149 EUR|Avg: €374 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 9€110 EUR
Retailer 13€127 EUR
Retailer 10€145 EUR
Retailer 14€145 EUR
Retailer 2€242 EUR
Retailer 12€262 EUR
Retailer 4€264 EUR
Retailer 7€328 EUR
Retailer 3€339 EUR
Retailer 6€434 EUR
Retailer 11€437 EUR
Retailer 8€487 EUR
Retailer 5€515 EUR
MOH London€1,136 EUR

20 data points across 14 retailers

12 retailers€110 EUR to €1,136 EUR

A
Cheapest Retailer
-
€110 EUR
$123 USD
A
Retailer 2
-
€127 EUR
$142 USD
View
Retailer 3
-
€145 EUR
$162 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
€145 EUR
$162 USD
View
A
Retailer 5
-
€242 EUR
$270 USD
View
B+
Retailer 6
-
€262 EUR
$293 USD
View
B+
Retailer 7
-
€264 EUR
HK$2,300 HKD
View
B+
Retailer 8
-
€328 EUR
£289 GBP
View
B
Retailer 9
-
€339 EUR
$379 USD
View
B
Retailer 10
-
€437 EUR
$488 USD
View
B
Retailer 11
-
€487 EUR
$544 USD
View
Most Expensive
B
MOH London
LG542212300 · Nov 1
€1,136 EUR
£999 GBP
View
11 more retailers have this diamond
Prices start from €110 EURSave up to €1,026 EUR

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 Radiant
€110 EUR