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 $236 NZD
$133 USD
As of October 30, 2026
Save $2,222 NZD (90%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,458 NZD 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 29, 2026, with prices from $236 to $2,458, a $2,222 spread on the same certified stone. MOH London lists it at $2,458. 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
Colour
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

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: $2,458 NZD|Low: $236 NZD|High: $2,533 NZD|Avg: $712 NZD|-2.9%
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
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Retailer 17
Retailer 18
October 31, 2026
Retailer 16$236 NZD
Retailer 6$263 NZD
Retailer 8$275 NZD
Retailer 3$293 NZD
Retailer 7$295 NZD
Retailer 14$394 NZD
Retailer 2$489 NZD
Retailer 5$531 NZD
Retailer 9$570 NZD
Retailer 10$584 NZD
Retailer 18$807 NZD
Retailer 13$827 NZD
Retailer 12$908 NZD
Retailer 4$942 NZD
Retailer 11$992 NZD
Retailer 15$1,011 NZD
Retailer 17$1,038 NZD
MOH London$2,458 NZD

23 data points across 18 retailers

18 retailers$236 NZD to $2,458 NZD

A
Cheapest Retailer
-
$236 NZD
$133 USD
A
Retailer 2
-
$263 NZD
$148 USD
View
Final sale: no returns
A
Retailer 3
-
$275 NZD
$155 USD
View
A
Retailer 4
-
$293 NZD
$165 USD
View
A
Retailer 5
-
$295 NZD
$166 USD
View
A
Retailer 6
-
$394 NZD
$222 USD
View
A
Retailer 7
-
$489 NZD
£217 GBP
View
A
Retailer 8
-
$531 NZD
ZAR 4,833 ZAR
View
Retailer 9
-
$570 NZD
€306 EUR
View
Price last confirmed 7 days ago
B+
Retailer 10
-
$584 NZD
$329 USD
View
B+
Retailer 11
-
$807 NZD
SGD 615 SGD
View
B+
Retailer 12
-
$827 NZD
$466 USD
View
B+
Retailer 13
-
$908 NZD
$512 USD
View
B+
Retailer 14
-
$942 NZD
$531 USD
View
B
Retailer 15
-
$992 NZD
$559 USD
View
B
Retailer 16
-
$1,011 NZD
$570 USD
View
B
Retailer 17
-
$1,038 NZD
$585 USD
View
Most Expensive
B
MOH London
LG788635058 · Oct 29
$2,458 NZD
£1,091 GBP
View
17 more retailers have this diamond
Prices start from $236 NZDSave up to $2,222 NZD

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
$236 NZD