Radiant|Lab Grown|IGI

0.51ct E FL Radiant Lab Grown Diamond

VG • E/FL • IGI LG788635058

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

Certificate IGI LG788635058

Diamond specifications and retailer prices

From $134 USD
As of October 27, 2026
Save $1,252 USD (90%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,386 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 FL clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG788635058 or 788635058. Listed at 18 retailers as of October 27, 2026, with prices from $134 to $1,386, a $1,252 spread on the same certified stone. MOH London lists it at $1,386. 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
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle42.7°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788635058
Dimensions5.66 × 3.90 × 2.79 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.66 mm3.90 mm0.51 ctE / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG788635058
Side View
Table 66.0%Crown 42.7°Girdle: MediumPavilion 37.6°Culet: NoneDepth 71.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $1,386 USD|Low: $134 USD|High: $1,427 USD|Avg: $415 USD|-2.9%
MOH London
Retailer 2
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Retailer 5
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Retailer 7
Retailer 8
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Retailer 11
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Retailer 18
October 30, 2026
Retailer 6$134 USD
Retailer 17$148 USD
Retailer 5$155 USD
Retailer 13$165 USD
Retailer 3$166 USD
Retailer 8$225 USD
Retailer 12$278 USD
Retailer 16$299 USD
Retailer 7$321 USD
Retailer 9$329 USD
Retailer 11$455 USD
Retailer 4$467 USD
Retailer 14$514 USD
Retailer 15$531 USD
Retailer 18$562 USD
Retailer 2$585 USD
Retailer 10$630 USD
MOH London$1,386 USD

26 data points across 18 retailers

18 retailers$134 USD to $1,386 USD

A
Cheapest Retailer
-
$134 USD
A
Retailer 2
-
$148 USD
View
Final sale: no returns
A
Retailer 3
-
$155 USD
View
A
Retailer 4
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$165 USD
View
A
Retailer 5
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$166 USD
View
A
Retailer 6
-
$225 USD
View
A
Retailer 7
-
$278 USD
£219 GBP
View
A
Retailer 8
-
$299 USD
ZAR 4,833 ZAR
View
B+
Retailer 9
-
$321 USD
€306 EUR
View
B+
Retailer 10
-
$329 USD
View
B+
Retailer 11
-
$455 USD
SGD 615 SGD
View
B+
Retailer 12
-
$467 USD
View
B+
Retailer 13
-
$514 USD
View
B+
Retailer 14
-
$531 USD
View
B
Retailer 15
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$562 USD
View
B
Retailer 16
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$585 USD
View
B
Retailer 17
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$630 USD
View
Most Expensive
B
MOH London
LG788635058 · Oct 29
$1,386 USD
£1,091 GBP
View
17 more retailers have this diamond
Prices start from $134 USDSave up to $1,252 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
$134 USD