Round|Lab Grown|IGI

0.51ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG846661248

Shape and cutting style on the report: Round brilliant

Certificate IGI LG846661248

Diamond specifications and retailer prices

From $150 USD
As of November 4, 2026
Save $393 USD (72%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,087 USD at MOH London · As of November 1, 2026
View at MOH London

About this 0.51ct lab-grown round diamond

This 0.51ct lab-grown round 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 LG846661248 or 846661248. Listed at 11 retailers as of November 2, 2026, with a 262% 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 angle35.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846661248
Dimensions5.13 × 5.10 × 3.16 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.13 mm5.10 mm0.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846661248
Side View
Table 58.0%Crown 35.1°Girdle: MED-STKPavilion 40.8°CuletDepth 61.8%

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: $1,087 USD|Low: $150 USD|High: $1,306 USD|Avg: $405 USD|-16.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 4, 2026
Retailer 2$150 USD
Retailer 8$178 USD
Retailer 3$179 USD
Retailer 4$253 USD
Retailer 6$260 USD
Retailer 7$270 USD
Retailer 5$293 USD
Retailer 9$376 USD
Retailer 10$476 USD
Retailer 11$543 USD
MOH London$1,087 USD

21 data points across 11 retailers

11 retailers$150 USD to $543 USD

A
Cheapest Retailer
-
$150 USD
A
Retailer 2
-
$178 USD
View
A
Retailer 3
-
$179 USD
View
B+
Retailer 4
-
$253 USD
View
B+
Retailer 5
-
$260 USD
View
B+
Retailer 6
-
$270 USD
View
B+
Retailer 7
-
$293 USD
View
B
Retailer 8
-
$376 USD
View
B
Retailer 9
-
$476 USD
View
B
Retailer 10
-
$543 USD
View
Most Expensive
MOH London
LG846661248 · Nov 1
$1,087 USD
£856 GBP
View
Price under review
10 more retailers have this diamond
Prices start from $150 USDSave up to $393 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 Round
$150 USD