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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 $172 NZD
As of November 4, 2026
Save $1,396 NZD (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,568 NZD at MOH London · As of November 4, 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 4, 2026, with prices from $172 to $1,568, a $1,396 spread on the same certified stone. MOH London lists it at $1,568. 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: $1,568 NZD|Low: $165 NZD|High: $1,593 NZD|Avg: $601 NZD|-0.4%
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$172 NZD
Retailer 17$200 NZD
Retailer 4$229 NZD
Retailer 18$229 NZD
Retailer 16$293 NZD
Retailer 11$389 NZD
Retailer 12$403 NZD
Retailer 2$408 NZD
Retailer 13$461 NZD
Retailer 14$516 NZD
Retailer 6$601 NZD
Retailer 5$688 NZD
Retailer 7$729 NZD
Retailer 8$757 NZD
Retailer 15$768 NZD
Retailer 10$791 NZD
Retailer 9$1,135 NZD
MOH London$1,568 NZD

31 data points across 18 retailers

19 retailers$172 NZD to $1,568 NZD

A
Cheapest Retailer
-
$172 NZD
A
Retailer 2
-
$200 NZD
View
Retailer 3
-
$229 NZD
View
Price last confirmed 11 days ago
A
Retailer 4
-
$229 NZD
View
A
Retailer 5
-
$293 NZD
View
A
Retailer 6
-
$389 NZD
View
A
Retailer 7
-
$403 NZD
View
A
Retailer 8
-
$408 NZD
View
B+
Retailer 9
-
$461 NZD
View
B+
Retailer 10
-
$516 NZD
View
B
Retailer 11
-
$601 NZD
View
B+
Retailer 12
-
$660 NZD
View
B
Retailer 13
-
$688 NZD
View
Retailer 14
-
$729 NZD
View
Price last confirmed 23 days ago
B
Retailer 15
-
$757 NZD
View
B
Retailer 16
-
$768 NZD
View
B
Retailer 17
-
$791 NZD
View
B
Retailer 18
-
$1,135 NZD
View
Most Expensive
B
MOH London
LG583314485 · Nov 4
$1,568 NZD
£696 GBP
View
18 more retailers have this diamond
Prices start from $172 NZDSave up to $1,396 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
$172 NZD