Radiant|Lab Grown|IGI

0.51ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG773645497

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

Certificate IGI LG773645497

Diamond specifications and retailer prices

From $235 USD
As of November 1, 2026
Save $760 USD (76%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,199 USD 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG773645497 or 773645497. Listed at 7 retailers as of October 31, 2026, with a 323% 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
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG773645497
Dimensions3.82 × 3.82 × 2.83 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
3.82 mm3.82 mm0.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG773645497
Side View
Table 61.0%Crown 35.2°Girdle: Slightly ThickPavilion 36.2°Culet: NoneDepth 74.1%

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: Nov 1
Current: $1,199 USD|Low: $235 USD|High: $1,252 USD|Avg: $486 USD|-3.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 2$235 USD
Retailer 8$243 USD
Retailer 5$282 USD
Retailer 7$286 USD
Retailer 3$290 USD
Retailer 6$358 USD
Retailer 9$414 USD
Retailer 4$995 USD
MOH London$1,199 USD

17 data points across 9 retailers

7 retailers$235 USD to $995 USD

A
Cheapest Retailer
-
$235 USD
B+
Retailer 2
-
$282 USD
View
Retailer 3
-
$286 USD
A$440 AUD
View
Price last confirmed 85 days ago
B+
Retailer 4
-
$290 USD
£228 GBP
View
B+
Retailer 5
-
$358 USD
£282 GBP
View
B
Retailer 6
-
$995 USD
View
Most Expensive
MOH London
LG773645497 · Nov 1
$1,199 USD
£944 GBP
View
Price under review
6 more retailers have this diamond
Prices start from $235 USDSave up to $760 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
$235 USD