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Radiant|Lab Grown|IGI

0.52ct H SI1 Radiant Lab Grown Diamond

ID • H/SI1 • IGI LG655413085

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

Certificate IGI LG655413085

Diamond specifications and retailer prices

From $179 AUD
$126 USD
As of November 2, 2026
Save $1,681 AUD (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,860 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 0.52ct lab-grown radiant diamond

This 0.52ct 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 LG655413085 or 655413085. Listed at 10 retailers as of November 1, 2026, with prices from $179 to $1,860, a $1,681 spread on the same certified stone. MOH London lists it at $1,860. 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

0.52
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle27.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG655413085
Dimensions6.04 × 3.82 × 2.54 mm
L/W Ratio1.58
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.04 mm3.82 mm0.52 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG655413085
Side View
Table 61.0%Crown 33°Girdle: MED-STKPavilion 27.6°Culet: NoneDepth 66.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $1,860 AUD|Low: $172 AUD|High: $1,884 AUD|Avg: $587 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 3$179 AUD
Retailer 8$208 AUD
Retailer 4$224 AUD
Retailer 9$224 AUD
Retailer 7$426 AUD
Retailer 10$547 AUD
Retailer 5$555 AUD
Retailer 6$716 AUD
Retailer 2$757 AUD
MOH London$1,860 AUD

16 data points across 10 retailers

10 retailers$179 AUD to $1,860 AUD

A
Cheapest Retailer
-
$179 AUD
$126 USD
A
Retailer 2
-
$208 AUD
$146 USD
View
A
Retailer 3
-
$224 AUD
$157 USD
View
Retailer 4
-
$224 AUD
$157 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$426 AUD
$299 USD
View
B+
Retailer 6
-
$547 AUD
$384 USD
View
Retailer 7
-
$555 AUD
£307 GBP
View
Price last confirmed 24 days ago
B
Retailer 8
-
$716 AUD
$503 USD
View
B
Retailer 9
-
$757 AUD
$532 USD
View
Most Expensive
B
MOH London
LG655413085 · Nov 1
$1,860 AUD
£1,029 GBP
View
9 more retailers have this diamond
Prices start from $179 AUDSave up to $1,681 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
0.52ct Radiant
$179 AUD