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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 £80 GBP
$107 USD
As of October 27, 2026
Save £759 GBP (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £839 GBP 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 £80 to £839, a £759 spread on the same certified stone. MOH London lists it at £839. 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: £839 GBP|Low: £45 GBP|High: £845 GBP|Avg: £197 GBP|-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£45 GBP
Retailer 11£80 GBP
Retailer 5£89 GBP
Retailer 13£94 GBP
Retailer 12£107 GBP
Retailer 14£107 GBP
Retailer 4£135 GBP
Retailer 9£161 GBP
Retailer 7£181 GBP
Retailer 2£198 GBP
Retailer 8£241 GBP
Retailer 3£273 GBP
Retailer 10£358 GBP
MOH London£839 GBP

44 data points across 14 retailers

16 retailers£80 GBP to £839 GBP

A
Cheapest Retailer
-
£80 GBP
$107 USD
A
Retailer 2
-
£89 GBP
$119 USD
View
Final sale: no returns
A
Retailer 3
-
£94 GBP
$125 USD
View
A
Retailer 4
-
£107 GBP
$142 USD
View
A
Retailer 5
-
£107 GBP
$142 USD
View
A
Retailer 6
-
£135 GBP
$180 USD
View
A
Retailer 7
-
£161 GBP
$215 USD
View
Price last confirmed 8 days ago
A
Retailer 8
-
£181 GBP
€230 EUR
View
A
Retailer 9
-
£198 GBP
View
B+
Retailer 10
-
£241 GBP
View
B+
Retailer 11
-
£273 GBP
$364 USD
View
B+
Retailer 12
-
£321 GBP
$428 USD
View
B
Retailer 13
-
£358 GBP
$477 USD
View
B
Retailer 14
-
£365 GBP
$486 USD
View
B
Retailer 15
-
£674 GBP
$898 USD
View
Most Expensive
B
MOH London
LG681532439 · Oct 29
£839 GBP
View
15 more retailers have this diamond
Prices start from £80 GBPSave up to £759 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
0.52ct Radiant
£80 GBP