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Radiant|Lab Grown|IGI

0.51ct D VS2 Radiant Lab Grown Diamond

ID • D/VS2 • IGI LG812647981

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

Certificate IGI LG812647981

Diamond specifications and retailer prices

From $247 NZD
$139 USD
As of October 30, 2026
Save $1,322 NZD (84%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,434 NZD 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 D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG812647981 or 812647981. Listed at 9 retailers as of October 30, 2026, with a 536% 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
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812647981
Dimensions6.07 × 3.86 × 2.57 mm
L/W Ratio1.57
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.07 mm3.86 mm0.51 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812647981
Side View
Table 67.0%Crown 37.7°Girdle: MED-STKPavilion 35°Culet: NoneDepth 66.6%

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: $2,434 NZD|Low: $236 NZD|High: $2,458 NZD|Avg: $838 NZD|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 5$247 NZD
Retailer 9$286 NZD
Retailer 6$305 NZD
Retailer 11$438 NZD
Retailer 2$523 NZD
Retailer 8$571 NZD
Retailer 4$701 NZD
Retailer 3$852 NZD
Retailer 7$983 NZD
Retailer 12$985 NZD
Retailer 10$1,568 NZD
MOH London$2,434 NZD

41 data points across 12 retailers

9 retailers$247 NZD to $1,568 NZD

A
Cheapest Retailer
-
$247 NZD
$139 USD
A
Retailer 2
-
$286 NZD
$161 USD
View
A
Retailer 3
-
$305 NZD
$172 USD
View
B+
Retailer 4
-
$523 NZD
£232 GBP
View
B+
Retailer 5
-
$571 NZD
$322 USD
View
B
Retailer 6
-
$983 NZD
$554 USD
View
B
Retailer 7
-
$985 NZD
$555 USD
View
B
Retailer 8
-
$1,568 NZD
£696 GBP
View
Most Expensive
MOH London
LG812647981 · Oct 26
$2,434 NZD
£1,080 GBP
View
Price under review
8 more retailers have this diamond
Prices start from $247 NZDSave up to $1,322 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
$247 NZD