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Radiant|Lab Grown|IGI

0.51ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG583314485

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

Certificate IGI LG583314485

Diamond specifications and retailer prices

From $138 AUD
As of November 4, 2026
Save $1,125 AUD (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,264 AUD at MOH London · As of November 1, 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG583314485 or 583314485. Listed at 19 retailers as of November 1, 2026, with prices from $138 to $1,264, a $1,125 spread on the same certified stone. MOH London lists it at $1,264. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle44.2°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG583314485
Dimensions5.89 × 4.04 × 2.60 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
5.89 mm4.04 mm0.51 ctH / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG583314485
Side View
Table 73.0%Crown 44.2°Girdle: MediumPavilion 34°Culet: NoneDepth 64.4%

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: $1,264 AUD|Low: $133 AUD|High: $1,280 AUD|Avg: $485 AUD|-0.1%
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
Retailer 16
Retailer 17
Retailer 18
November 4, 2026
Retailer 3$138 AUD
Retailer 17$161 AUD
Retailer 4$184 AUD
Retailer 18$184 AUD
Retailer 16$235 AUD
Retailer 11$312 AUD
Retailer 12$324 AUD
Retailer 2$328 AUD
Retailer 13$371 AUD
Retailer 14$415 AUD
Retailer 6$483 AUD
Retailer 5$553 AUD
Retailer 7$586 AUD
Retailer 8$609 AUD
Retailer 15$617 AUD
Retailer 10$636 AUD
Retailer 9$912 AUD
MOH London$1,264 AUD

32 data points across 18 retailers

19 retailers$138 AUD to $1,264 AUD

A
Cheapest Retailer
-
$138 AUD
A
Retailer 2
-
$161 AUD
View
Retailer 3
-
$184 AUD
View
Price last confirmed 10 days ago
A
Retailer 4
-
$184 AUD
View
A
Retailer 5
-
$235 AUD
View
A
Retailer 6
-
$312 AUD
View
A
Retailer 7
-
$324 AUD
View
A
Retailer 8
-
$328 AUD
View
B+
Retailer 9
-
$371 AUD
View
B+
Retailer 10
-
$415 AUD
View
B
Retailer 11
-
$483 AUD
View
B+
Retailer 12
-
$530 AUD
View
B
Retailer 13
-
$553 AUD
View
Retailer 14
-
$586 AUD
View
Price last confirmed 22 days ago
B
Retailer 15
-
$609 AUD
View
B
Retailer 16
-
$617 AUD
View
B
Retailer 17
-
$636 AUD
View
B
Retailer 18
-
$912 AUD
View
Most Expensive
B
MOH London
LG583314485 · Nov 1
$1,264 AUD
£698 GBP
View
18 more retailers have this diamond
Prices start from $138 AUDSave up to $1,125 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
$138 AUD