Radiant|Lab Grown|IGI

0.51ct E VVS1 Radiant Lab Grown Diamond

ID • E/VVS1 • IGI LG831654239

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

Certificate IGI LG831654239

Diamond specifications and retailer prices

From $122 USD
As of October 30, 2026
Save $1,020 USD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,142 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 E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG831654239 or 831654239. Listed at 15 retailers as of October 29, 2026, with prices from $122 to $1,142, a $1,020 spread on the same certified stone. MOH London lists it at $1,142. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
E
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.4°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831654239
Dimensions5.58 × 3.97 × 2.67 mm
L/W Ratio1.41
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.58 mm3.97 mm0.51 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831654239
Side View
Table 68.0%Crown 43.4°Girdle: MED-STKPavilion 36.3°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: Oct 30
Current: $1,142 USD|Low: $91 USD|High: $1,177 USD|Avg: $426 USD|-3.0%
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
October 30, 2026
Retailer 8$122 USD
Retailer 13$185 USD
Retailer 12$247 USD
Retailer 10$272 USD
Retailer 4$272 USD
Retailer 11$328 USD
Retailer 14$348 USD
Retailer 7$350 USD
Retailer 6$350 USD
Retailer 2$397 USD
Retailer 15$489 USD
Retailer 9$493 USD
Retailer 5$716 USD
Retailer 3$867 USD
MOH London$1,142 USD

32 data points across 15 retailers

15 retailers$122 USD to $1,142 USD

A
Cheapest Retailer
-
$122 USD
Final sale: no returns
A
Retailer 2
-
$185 USD
View
A
Retailer 3
-
$247 USD
ZAR 3,983 ZAR
View
A
Retailer 4
-
$272 USD
£214 GBP
View
Retailer 5
-
$272 USD
€259 EUR
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$328 USD
£258 GBP
View
B+
Retailer 7
-
$348 USD
A$535 AUD
View
Retailer 8
-
$350 USD
View
Price last confirmed 12 days ago
B+
Retailer 9
-
$350 USD
A$539 AUD
View
B+
Retailer 10
-
$397 USD
View
B
Retailer 11
-
$489 USD
View
B+
Retailer 12
-
$493 USD
View
B
Retailer 13
-
$716 USD
£564 GBP
View
B
Retailer 14
-
$867 USD
SGD 1,172 SGD
View
Most Expensive
B
MOH London
LG831654239 · Oct 29
$1,142 USD
£899 GBP
View
14 more retailers have this diamond
Prices start from $122 USDSave up to $1,020 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
$122 USD