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 $126 USD
As of October 27, 2026
Save $1,183 USD (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,309 USD at MOH London · As of October 26, 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 October 26, 2026, with prices from $126 to $1,309, a $1,183 spread on the same certified stone. MOH London lists it at $1,309. 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
Color
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: Oct 27
Current: $1,309 USD|Low: $121 USD|High: $1,323 USD|Avg: $414 USD|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 25, 2026
Retailer 3$126 USD
Retailer 8$146 USD
Retailer 4$157 USD
Retailer 9$157 USD
Retailer 7$299 USD
Retailer 10$384 USD
Retailer 5$390 USD
Retailer 6$503 USD
Retailer 2$532 USD
MOH London$1,309 USD

15 data points across 10 retailers

10 retailers$126 USD to $1,309 USD

A
Cheapest Retailer
-
$126 USD
A
Retailer 2
-
$146 USD
View
A
Retailer 3
-
$157 USD
View
A
Retailer 4
-
$157 USD
View
B+
Retailer 5
-
$299 USD
View
B+
Retailer 6
-
$384 USD
View
B+
Retailer 7
-
$390 USD
£307 GBP
View
Price last confirmed 20 days ago
B
Retailer 8
-
$503 USD
View
B
Retailer 9
-
$532 USD
View
Most Expensive
B
MOH London
LG655413085 · Oct 26
$1,309 USD
£1,031 GBP
View
9 more retailers have this diamond
Prices start from $126 USDSave up to $1,183 USD

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
$126 USD