Radiant|Lab Grown|IGI

0.51ct D VS2 Radiant Lab Grown Diamond

ID • D/VS2 • IGI LG779633443

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

Certificate IGI LG779633443

Diamond specifications and retailer prices

From $263 USD
£207 GBP
As of October 31, 2026
Save $226 USD (46%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,334 USD at MOH London · As of October 29, 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 LG779633443 or 779633443. Listed at 10 retailers as of October 30, 2026, with a 86% 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle23.1°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779633443
Dimensions5.56 × 4.07 × 2.57 mm
L/W Ratio1.37
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.56 mm4.07 mm0.51 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779633443
Side View
Table 65.0%Crown 23.1°Girdle: ThickPavilion 34.6°Culet: NoneDepth 63.1%

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: Oct 31
Current: $1,334 USD|Low: $253 USD|High: $1,342 USD|Avg: $458 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 5$260 USD
Retailer 2$263 USD
Retailer 7$304 USD
Retailer 3$307 USD
Retailer 4$308 USD
Retailer 8$386 USD
Retailer 6$396 USD
Retailer 9$479 USD
Retailer 10$567 USD
MOH London$1,334 USD

45 data points across 10 retailers

10 retailers$263 USD to $489 USD

Retailer 1
-
$260 USD
Price last confirmed 12 days ago
A
Retailer 2
-
$263 USD
£207 GBP
View
B+
Retailer 3
-
$304 USD
View
B+
Retailer 4
-
$307 USD
A$473 AUD
View
Retailer 5
-
$308 USD
€293 EUR
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$386 USD
View
Retailer 7
-
$396 USD
£312 GBP
View
Price last confirmed 26 days ago
B
Retailer 8
-
$489 USD
View
Retailer 9
-
$567 USD
View
Price last confirmed 12 days ago
Most Expensive
MOH London
LG779633443 · Oct 29
$1,334 USD
£1,050 GBP
View
Price under review
9 more retailers have this diamond
Prices start from $263 USDSave up to $226 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
$263 USD