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Radiant|Lab Grown|IGI

0.52ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG681532439

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

Certificate IGI LG681532439

Diamond specifications and retailer prices

From $152 AUD
$107 USD
As of October 27, 2026
Save $1,438 AUD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,591 AUD at MOH London · As of October 29, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG681532439 or 681532439. Listed at 16 retailers as of October 27, 2026, with prices from $152 to $1,591, a $1,438 spread on the same certified stone. MOH London lists it at $1,591. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46°
Pavilion angle31.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681532439
Dimensions6.13 × 3.86 × 2.45 mm
L/W Ratio1.59
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.13 mm3.86 mm0.52 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681532439
Side View
Table 65.0%Crown 46°Girdle: STK-THKPavilion 31.3°Culet: NoneDepth 63.5%

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: Oct 27
Current: $1,591 AUD|Low: $86 AUD|High: $1,602 AUD|Avg: $374 AUD|-0.6%
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
October 29, 2026
Retailer 6$86 AUD
Retailer 11$152 AUD
Retailer 5$169 AUD
Retailer 13$178 AUD
Retailer 12$202 AUD
Retailer 14$202 AUD
Retailer 4$256 AUD
Retailer 9$306 AUD
Retailer 7$344 AUD
Retailer 2$376 AUD
Retailer 8$458 AUD
Retailer 3$518 AUD
Retailer 10$679 AUD
MOH London$1,591 AUD

44 data points across 14 retailers

16 retailers$152 AUD to $1,591 AUD

A
Cheapest Retailer
-
$152 AUD
$107 USD
A
Retailer 2
-
$169 AUD
$119 USD
View
Final sale: no returns
A
Retailer 3
-
$178 AUD
$125 USD
View
A
Retailer 4
-
$202 AUD
$142 USD
View
A
Retailer 5
-
$202 AUD
$142 USD
View
A
Retailer 6
-
$256 AUD
$180 USD
View
Retailer 7
-
$306 AUD
$215 USD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$344 AUD
€230 EUR
View
A
Retailer 9
-
$376 AUD
£208 GBP
View
B+
Retailer 10
-
$458 AUD
£253 GBP
View
B+
Retailer 11
-
$518 AUD
$364 USD
View
B+
Retailer 12
-
$609 AUD
$428 USD
View
B
Retailer 13
-
$679 AUD
$477 USD
View
B
Retailer 14
-
$692 AUD
$486 USD
View
B
Retailer 15
-
$1,278 AUD
$898 USD
View
Most Expensive
B
MOH London
LG681532439 · Oct 29
$1,591 AUD
£880 GBP
View
15 more retailers have this diamond
Prices start from $152 AUDSave up to $1,438 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
$152 AUD