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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 $191 NZD
$107 USD
As of October 27, 2026
Save $1,799 NZD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,990 NZD 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 $191 to $1,990, a $1,799 spread on the same certified stone. MOH London lists it at $1,990. 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

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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: $1,990 NZD|Low: $108 NZD|High: $2,003 NZD|Avg: $468 NZD|-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$108 NZD
Retailer 11$191 NZD
Retailer 5$212 NZD
Retailer 13$223 NZD
Retailer 12$253 NZD
Retailer 14$253 NZD
Retailer 4$320 NZD
Retailer 9$383 NZD
Retailer 7$430 NZD
Retailer 2$470 NZD
Retailer 8$572 NZD
Retailer 3$648 NZD
Retailer 10$849 NZD
MOH London$1,990 NZD

44 data points across 14 retailers

16 retailers$191 NZD to $1,990 NZD

A
Cheapest Retailer
-
$191 NZD
$107 USD
A
Retailer 2
-
$212 NZD
$119 USD
View
Final sale: no returns
A
Retailer 3
-
$223 NZD
$125 USD
View
A
Retailer 4
-
$253 NZD
$142 USD
View
A
Retailer 5
-
$253 NZD
$142 USD
View
A
Retailer 6
-
$320 NZD
$180 USD
View
Retailer 7
-
$383 NZD
$215 USD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$430 NZD
€230 EUR
View
A
Retailer 9
-
$470 NZD
£208 GBP
View
B+
Retailer 10
-
$572 NZD
£253 GBP
View
B+
Retailer 11
-
$648 NZD
$364 USD
View
B+
Retailer 12
-
$762 NZD
$428 USD
View
B
Retailer 13
-
$849 NZD
$477 USD
View
B
Retailer 14
-
$866 NZD
$486 USD
View
B
Retailer 15
-
$1,599 NZD
$898 USD
View
Most Expensive
B
MOH London
LG681532439 · Oct 29
$1,990 NZD
£880 GBP
View
15 more retailers have this diamond
Prices start from $191 NZDSave up to $1,799 NZD

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
$191 NZD