CaratHunter
Plans
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 $175 AUD
$123 USD
As of November 2, 2026
Save $1,631 AUD (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,806 AUD 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 November 1, 2026, with prices from $175 to $1,806, a $1,631 spread on the same certified stone. MOH London lists it at $1,806. 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
Colour
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: Nov 2
Current: $1,806 AUD|Low: $168 AUD|High: $1,828 AUD|Avg: $595 AUD
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$175 AUD
Retailer 13$202 AUD
Retailer 10$231 AUD
Retailer 14$231 AUD
Retailer 2$384 AUD
Retailer 12$417 AUD
Retailer 4$419 AUD
Retailer 7$522 AUD
Retailer 3$540 AUD
Retailer 6$691 AUD
Retailer 11$695 AUD
Retailer 8$774 AUD
Retailer 5$819 AUD
MOH London$1,806 AUD

20 data points across 14 retailers

12 retailers$175 AUD to $1,806 AUD

A
Cheapest Retailer
-
$175 AUD
$123 USD
A
Retailer 2
-
$202 AUD
$142 USD
View
Retailer 3
-
$231 AUD
$162 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$231 AUD
$162 USD
View
A
Retailer 5
-
$384 AUD
$270 USD
View
B+
Retailer 6
-
$417 AUD
$293 USD
View
B+
Retailer 7
-
$419 AUD
HK$2,300 HKD
View
B+
Retailer 8
-
$522 AUD
£289 GBP
View
B
Retailer 9
-
$540 AUD
$379 USD
View
B
Retailer 10
-
$695 AUD
$488 USD
View
B
Retailer 11
-
$774 AUD
$544 USD
View
Most Expensive
B
MOH London
LG542212300 · Nov 1
$1,806 AUD
£999 GBP
View
11 more retailers have this diamond
Prices start from $175 AUDSave up to $1,631 AUD

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
$175 AUD