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Radiant|Lab Grown|IGI

0.51ct F VS1 Radiant Lab Grown Diamond

VG • F/VS1 • IGI LG773644878

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

Certificate IGI LG773644878

Diamond specifications and retailer prices

From $335 AUD
$235 USD
As of November 1, 2026
Save $1,085 AUD (76%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,770 AUD 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG773644878 or 773644878. Listed at 7 retailers as of October 31, 2026, with a 323% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
F
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG773644878
Dimensions3.92 × 3.92 × 2.81 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
3.92 mm3.92 mm0.51 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG773644878
Side View
Table 62.0%Crown 34.6°Girdle: MED-STKPavilion 35.2°Culet: NoneDepth 71.7%

Caratlytics Score

How it works →
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: Nov 1
Current: $1,770 AUD|Low: $335 AUD|High: $46,339 AUD|Avg: $6,062 AUD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 4$335 AUD
Retailer 8$347 AUD
Retailer 6$402 AUD
Retailer 3$417 AUD
Retailer 2$495 AUD
Retailer 9$591 AUD
Retailer 5$1,420 AUD
MOH London$1,770 AUD
Retailer 7$46,339 AUD

18 data points across 9 retailers

7 retailers$335 AUD to $1,420 AUD

A
Cheapest Retailer
-
$335 AUD
$235 USD
B+
Retailer 2
-
$402 AUD
$282 USD
View
B+
Retailer 3
-
$417 AUD
£230 GBP
View
B+
Retailer 4
-
$495 AUD
£273 GBP
View
B
Retailer 5
-
$1,420 AUD
$995 USD
View
Most Expensive
MOH London
LG773644878 · Oct 26
$1,770 AUD
£977 GBP
View
Price under review
5 more retailers have this diamond
Prices start from $335 AUDSave up to $1,085 AUD

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
$335 AUD