Round|Lab Grown|IGI

0.51ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG839617153

Shape and cutting style on the report: Round brilliant

Certificate IGI LG839617153

Diamond specifications and retailer prices

From $150 USD
As of October 30, 2026
Save $728 USD (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $878 USD at MOH London · As of October 29, 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 LG839617153 or 839617153. Listed at 9 retailers as of October 29, 2026, with prices from $150 to $878, a $728 spread on the same certified stone. MOH London lists it at $878. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.8°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839617153
Dimensions5.13 × 5.08 × 3.17 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 mm5.08 mm0.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG839617153
Side View
Table 59.0%Crown 33.8°Girdle: MediumPavilion 41.5°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $878 USD|Low: $130 USD|High: $878 USD|Avg: $373 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 4$130 USD
Retailer 9$150 USD
Retailer 2$225 USD
Retailer 5$271 USD
Retailer 3$317 USD
Retailer 8$359 USD
Retailer 7$416 USD
Retailer 10$497 USD
Retailer 6$558 USD
MOH London$878 USD

16 data points across 10 retailers

9 retailers$150 USD to $878 USD

Retailer 1
-
$130 USD
Price last confirmed 11 days ago
B+
Retailer 2
-
$150 USD
View
B+
Retailer 3
-
$225 USD
View
B+
Retailer 4
-
$271 USD
View
B+
Retailer 5
-
$285 USD
View
B
Retailer 6
-
$359 USD
View
B
Retailer 7
-
$416 USD
View
B
Retailer 8
-
$558 USD
View
Most Expensive
B
MOH London
LG839617153 · Oct 29
$878 USD
£691 GBP
View
8 more retailers have this diamond
Prices start from $150 USDSave up to $728 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.

B+
0.51ct Round
$150 USD