Radiant|Lab Grown|IGI

0.51ct E VVS1 Radiant Lab Grown Diamond

VG • E/VVS1 • IGI LG788635103

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

Certificate IGI LG788635103

Diamond specifications and retailer prices

From $128 USD
As of October 24, 2026
Save $1,018 USD (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,146 USD at MOH London · As of October 26, 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 very-good cut grade and certified by IGI LG788635103 or 788635103. Listed at 19 retailers as of October 24, 2026, with prices from $128 to $1,146, a $1,018 spread on the same certified stone. MOH London lists it at $1,146. 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
E
Color
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle25°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788635103
Dimensions5.53 × 3.94 × 2.70 mm
L/W Ratio1.40
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.53 mm3.94 mm0.51 ctE / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788635103
Side View
Table 66.0%Crown 25°Girdle: Slightly ThickPavilion 38.6°Culet: NoneDepth 68.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 24
Current: $1,146 USD|Low: $110 USD|High: $1,181 USD|Avg: $343 USD|-3.0%
MOH London
Retailer 2
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Retailer 12
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Retailer 20
October 27, 2026
Retailer 4$110 USD
Retailer 9$123 USD
Retailer 20$128 USD
Retailer 8$146 USD
Retailer 18$146 USD
Retailer 11$188 USD
Retailer 7$244 USD
Retailer 5$272 USD
Retailer 14$273 USD
Retailer 15$348 USD
Retailer 10$350 USD
Retailer 12$358 USD
Retailer 16$374 USD
Retailer 13$383 USD
Retailer 19$403 USD
Retailer 17$440 USD
Retailer 3$441 USD
Retailer 6$491 USD
Retailer 2$496 USD
MOH London$1,146 USD

27 data points across 20 retailers

19 retailers$128 USD to $1,146 USD

Retailer 1
-
$110 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$128 USD
View
A
Retailer 3
-
$146 USD
View
A
Retailer 4
-
$146 USD
View
A
Retailer 5
-
$188 USD
View
Retailer 6
-
$244 USD
ZAR 3,935 ZAR
View
Price last confirmed 7 days ago
Retailer 7
-
$272 USD
€259 EUR
View
Price last confirmed 7 days ago
B+
Retailer 8
-
$273 USD
£215 GBP
View
B+
Retailer 9
-
$348 USD
A$536 AUD
View
Retailer 10
-
$350 USD
View
Price last confirmed 12 days ago
B+
Retailer 11
-
$358 USD
A$550 AUD
View
B
Retailer 12
-
$374 USD
£294 GBP
View
B+
Retailer 13
-
$383 USD
SGD 517 SGD
View
B+
Retailer 14
-
$403 USD
View
B+
Retailer 15
-
$440 USD
View
B+
Retailer 16
-
$441 USD
View
B
Retailer 17
-
$491 USD
View
B
Retailer 18
-
$496 USD
View
Most Expensive
B
MOH London
LG788635103 · Oct 26
$1,146 USD
£902 GBP
View
18 more retailers have this diamond
Prices start from $128 USDSave up to $1,018 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
$128 USD