Radiant|Lab Grown|IGI

0.51ct D VS2 Radiant Lab Grown Diamond

ID • D/VS2 • IGI LG795671571

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

Certificate IGI LG795671571

Diamond specifications and retailer prices

From $142 USD
As of November 4, 2026
Save $426 USD (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $827 USD 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 LG795671571 or 795671571. Listed at 9 retailers as of November 4, 2026, with a 300% 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
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle42.7°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG795671571
Dimensions5.63 × 3.98 × 2.59 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.63 mm3.98 mm0.51 ctD / VS2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG795671571
Side View
Table 67.0%Crown 42.7°Girdle: MED-STKPavilion 34.7°Culet: NoneDepth 65.1%

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: $827 USD|Low: $142 USD|High: $970 USD|Avg: $405 USD|-13.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 4, 2026
Retailer 2$142 USD
Retailer 5$165 USD
Retailer 6$177 USD
Retailer 4$303 USD
Retailer 7$315 USD
Retailer 8$328 USD
Retailer 3$568 USD
Retailer 9$627 USD
MOH London$827 USD

44 data points across 9 retailers

9 retailers$142 USD to $568 USD

A
Cheapest Retailer
-
$142 USD
A
Retailer 2
-
$165 USD
View
A
Retailer 3
-
$177 USD
View
B+
Retailer 4
-
$303 USD
View
B+
Retailer 5
-
$315 USD
View
B+
Retailer 6
-
$328 USD
View
B
Retailer 7
-
$568 USD
View
Retailer 8
-
$627 USD
View
Price last confirmed 17 days ago
Most Expensive
MOH London
LG795671571 · Oct 26
$827 USD
£651 GBP
View
Price last confirmed 9 days ago
8 more retailers have this diamond
Prices start from $142 USDSave up to $426 USD

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
$142 USD