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Radiant|Lab Grown|IGI

0.51ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG542237459

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

Certificate IGI LG542237459

Diamond specifications and retailer prices

From €110 EUR
As of November 4, 2026
Save €735 EUR (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €1,138 EUR at MOH London · As of November 5, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG542237459 or 542237459. Listed at 19 retailers as of November 4, 2026, with a 668% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.3°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG542237459
Dimensions5.59 × 3.97 × 2.67 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
5.59 mm3.97 mm0.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG542237459
Side View
Table 65.0%Crown 43.3°Girdle: MED-STKPavilion 34.4°Culet: 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: Nov 4
Current: €1,138 EUR|Low: €106 EUR|High: €1,155 EUR|Avg: €365 EUR|-0.4%
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
Retailer 15
Retailer 16
Retailer 17
November 5, 2026
Retailer 15€110 EUR
Retailer 9€123 EUR
Retailer 4€128 EUR
Retailer 5€146 EUR
Retailer 16€146 EUR
Retailer 11€248 EUR
Retailer 12€249 EUR
Retailer 17€262 EUR
Retailer 2€281 EUR
Retailer 13€330 EUR
Retailer 6€339 EUR
Retailer 10€348 EUR
Retailer 3€439 EUR
Retailer 14€464 EUR
Retailer 7€490 EUR
Retailer 8€845 EUR
MOH London€1,138 EUR

46 data points across 17 retailers

19 retailers€110 EUR to €845 EUR

A
Cheapest Retailer
-
€110 EUR
A
Retailer 2
-
€123 EUR
View
Final sale: no returns
A
Retailer 3
-
€128 EUR
View
A
Retailer 4
-
€146 EUR
View
Retailer 5
-
€146 EUR
View
Price last confirmed 11 days ago
B+
Retailer 6
-
€248 EUR
View
B+
Retailer 7
-
€249 EUR
View
B+
Retailer 8
-
€262 EUR
View
B+
Retailer 9
-
€281 EUR
View
B+
Retailer 10
-
€284 EUR
View
Retailer 11
-
€330 EUR
View
Price last confirmed 6 days ago
B+
Retailer 12
-
€339 EUR
View
B+
Retailer 13
-
€348 EUR
View
B
Retailer 14
-
€439 EUR
View
B
Retailer 15
-
€464 EUR
View
B
Retailer 16
-
€490 EUR
View
B
Retailer 17
-
€716 EUR
View
B
Retailer 18
-
€845 EUR
View
Most Expensive
MOH London
LG542237459 · Nov 5
€1,138 EUR
£1,010 GBP
View
Price under review
18 more retailers have this diamond
Prices start from €110 EURSave up to €735 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
€110 EUR