Radiant|Lab Grown|IGI

0.51ct J VS1 Radiant Lab Grown Diamond

VG • J/VS1 • IGI LG375961157

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

Certificate IGI LG375961157

Diamond specifications and retailer prices

From €245 EUR
$274 USD
As of October 30, 2026
Save €734 EUR (75%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,221 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 0.51ct lab-grown radiant diamond

This 0.51ct lab-grown radiant sits in the half to three-quarter carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG375961157 or 375961157. Listed at 11 retailers as of October 30, 2026, with a 299% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
J
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG375961157
Dimensions5.10 × 4.04 × 2.72 mm
L/W Ratio1.26
Culet sizePointed
Cert comments
This Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa.
Top View
5.10 mm4.04 mm0.51 ctJ / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG375961157
Side View
Table 65.5%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 67.3%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: €1,221 EUR|Low: €168 EUR|High: €1,236 EUR|Avg: €532 EUR
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
November 1, 2026
Retailer 6€168 EUR
Retailer 10€245 EUR
Retailer 14€285 EUR
Retailer 2€295 EUR
Retailer 3€304 EUR
Retailer 11€304 EUR
Retailer 4€448 EUR
Retailer 13€505 EUR
Retailer 7€551 EUR
Retailer 8€566 EUR
Retailer 5€621 EUR
Retailer 9€936 EUR
Retailer 12€979 EUR
MOH London€1,221 EUR

26 data points across 14 retailers

11 retailers€245 EUR to €979 EUR

A
Cheapest Retailer
-
€245 EUR
$274 USD
A
Retailer 2
-
€285 EUR
$318 USD
View
A
Retailer 3
-
€295 EUR
$330 USD
View
Retailer 4
-
€304 EUR
$340 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
€304 EUR
$340 USD
View
B+
Retailer 6
-
€505 EUR
$564 USD
View
B+
Retailer 7
-
€551 EUR
ZAR 9,944 ZAR
View
B+
Retailer 8
-
€566 EUR
View
C
Retailer 9
-
€936 EUR
$1,046 USD
View
C
Retailer 10
-
€979 EUR
$1,094 USD
View
Most Expensive
MOH London
LG375961157 · Nov 1
€1,221 EUR
£1,074 GBP
View
Price under review
10 more retailers have this diamond
Prices start from €245 EURSave up to €734 EUR

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
0.51ct Radiant
€245 EUR