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Radiant|Lab Grown|IGI

0.51ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG797644768

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

Certificate IGI LG797644768

Diamond specifications and retailer prices

From $301 NZD
As of November 4, 2026
Save $1,005 NZD (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,753 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG797644768 or 797644768. Listed at 11 retailers as of November 4, 2026, with a 334% 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
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle26.4°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797644768
Dimensions5.84 × 4.01 × 2.58 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.84 mm4.01 mm0.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797644768
Side View
Table 65.0%Crown 26.4°Girdle: MediumPavilion 35.1°Culet: NoneDepth 64.3%

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 4
Current: $1,753 NZD|Low: $301 NZD|High: $2,036 NZD|Avg: $861 NZD|-12.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 4$301 NZD
Retailer 6$349 NZD
Retailer 7$374 NZD
Retailer 10$598 NZD
Retailer 8$648 NZD
Retailer 2$664 NZD
Retailer 11$667 NZD
Retailer 9$950 NZD
Retailer 5$1,199 NZD
Retailer 3$1,306 NZD
MOH London$1,753 NZD

43 data points across 11 retailers

11 retailers$301 NZD to $1,306 NZD

A
Cheapest Retailer
-
$301 NZD
A
Retailer 2
-
$349 NZD
View
A
Retailer 3
-
$374 NZD
View
Retailer 4
-
$598 NZD
View
Price last confirmed 10 days ago
B+
Retailer 5
-
$648 NZD
View
B+
Retailer 6
-
$664 NZD
View
B+
Retailer 7
-
$667 NZD
View
Retailer 8
-
$950 NZD
View
Price last confirmed 11 days ago
B
Retailer 9
-
$1,199 NZD
View
B
Retailer 10
-
$1,306 NZD
View
Most Expensive
MOH London
LG797644768 · Oct 29
$1,753 NZD
£776 GBP
View
Price last confirmed 7 days ago
10 more retailers have this diamond
Prices start from $301 NZDSave up to $1,005 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
$301 NZD