Oval|Lab Grown|IGI

4.51ct F VS2 Oval Lab Grown Diamond

VG • F/VS2 • IGI LG851625460

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG851625460

Diamond specifications and retailer prices

From $649 USD
£511 GBP
As of November 1, 2026
Save $2,618 USD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,266 USD at MOH London · As of November 1, 2026
View at MOH London

About this 4.51ct lab-grown oval diamond

This 4.51ct lab-grown oval sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG851625460 or 851625460. Listed at 16 retailers as of November 1, 2026, with prices from $649 to $3,266, a $2,618 spread on the same certified stone. MOH London lists it at $3,266. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.51
Carat
F
Color
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851625460
Dimensions13.47 × 9.04 × 5.68 mm
L/W Ratio1.49
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.47 mm9.04 mm4.51 ctF / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851625460
Side View
Table 54.0%Crown 34.6°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 62.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $3,266 USD|Low: $649 USD|High: $3,266 USD|Avg: $1,464 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 10$649 USD
Retailer 4$679 USD
Retailer 16$679 USD
Retailer 14$752 USD
Retailer 15$819 USD
Retailer 12$880 USD
Retailer 7$1,008 USD
Retailer 6$1,081 USD
Retailer 11$1,178 USD
Retailer 5$1,757 USD
Retailer 3$1,978 USD
Retailer 9$2,375 USD
Retailer 13$2,400 USD
Retailer 8$2,432 USD
Retailer 2$3,005 USD
MOH London$3,266 USD

3 data points across 16 retailers

16 retailers$649 USD to $3,266 USD

A
Cheapest Retailer
-
$649 USD
£511 GBP
A
Retailer 2
-
$679 USD
View
A
Retailer 3
-
$679 USD
View
Final sale: no returns
A
Retailer 4
-
$752 USD
View
A
Retailer 5
-
$819 USD
HK$6,400 HKD
View
A
Retailer 6
-
$880 USD
View
B+
Retailer 7
-
$1,008 USD
View
A
Retailer 8
-
$1,081 USD
View
A
Retailer 9
-
$1,178 USD
£927 GBP
View
B+
Retailer 10
-
$1,757 USD
View
B+
Retailer 11
-
$1,978 USD
View
B
Retailer 12
-
$2,375 USD
View
B
Retailer 13
-
$2,400 USD
View
B
Retailer 14
-
$2,432 USD
View
B
Retailer 15
-
$3,005 USD
View
Most Expensive
B
MOH London
LG851625460 · Nov 1
$3,266 USD
£2,572 GBP
View
15 more retailers have this diamond
Prices start from $649 USDSave up to $2,618 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
4.51ct Oval
$649 USD