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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 $124 USD
As of November 2, 2026
Save $828 USD (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,294 USD at MOH London · As of October 29, 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 1, 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
Color
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 2
Current: $1,294 USD|Low: $119 USD|High: $1,302 USD|Avg: $410 USD|+0.5%
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 2, 2026
Retailer 15$124 USD
Retailer 9$139 USD
Retailer 4$144 USD
Retailer 5$164 USD
Retailer 16$164 USD
Retailer 11$280 USD
Retailer 12$280 USD
Retailer 17$295 USD
Retailer 2$320 USD
Retailer 13$372 USD
Retailer 6$382 USD
Retailer 10$393 USD
Retailer 3$495 USD
Retailer 14$523 USD
Retailer 7$552 USD
Retailer 8$952 USD
MOH London$1,294 USD

46 data points across 17 retailers

19 retailers$124 USD to $952 USD

A
Cheapest Retailer
-
$124 USD
A
Retailer 2
-
$139 USD
View
Final sale: no returns
A
Retailer 3
-
$144 USD
View
A
Retailer 4
-
$164 USD
View
Retailer 5
-
$164 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$280 USD
ZAR 4,522 ZAR
View
B+
Retailer 7
-
$280 USD
View
B+
Retailer 8
-
$295 USD
View
B+
Retailer 9
-
$320 USD
HK$2,500 HKD
View
B+
Retailer 10
-
$320 USD
£252 GBP
View
B+
Retailer 11
-
$372 USD
£293 GBP
View
B+
Retailer 12
-
$382 USD
View
B+
Retailer 13
-
$393 USD
A$604 AUD
View
B
Retailer 14
-
$495 USD
View
B
Retailer 15
-
$523 USD
View
B
Retailer 16
-
$552 USD
View
B
Retailer 17
-
$808 USD
£636 GBP
View
B
Retailer 18
-
$952 USD
View
Most Expensive
MOH London
LG542237459 · Oct 29
$1,294 USD
£1,019 GBP
View
Price under review
18 more retailers have this diamond
Prices start from $124 USDSave up to $828 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
0.51ct Radiant
$124 USD