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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 $1,077 NZD
$607 USD
As of November 1, 2026
Save $4,719 NZD (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,796 NZD 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 17 retailers as of November 1, 2026, with prices from $1,077 to $5,796, a $4,719 spread on the same certified stone. MOH London lists it at $5,796. 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
Colour
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

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 1
Current: $5,796 NZD|Low: $1,077 NZD|High: $5,796 NZD|Avg: $2,591 NZD
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
Retailer 17
November 2, 2026
Retailer 10$1,077 NZD
Retailer 13$1,151 NZD
Retailer 3$1,205 NZD
Retailer 5$1,205 NZD
Retailer 16$1,334 NZD
Retailer 17$1,454 NZD
Retailer 14$1,561 NZD
Retailer 8$1,788 NZD
Retailer 7$1,918 NZD
Retailer 2$2,089 NZD
Retailer 6$3,117 NZD
Retailer 4$3,510 NZD
Retailer 12$4,215 NZD
Retailer 15$4,258 NZD
Retailer 9$4,315 NZD
Retailer 11$5,332 NZD
MOH London$5,796 NZD

4 data points across 17 retailers

17 retailers$1,077 NZD to $5,796 NZD

A
Cheapest Retailer
-
$1,077 NZD
$607 USD
A
Retailer 2
-
$1,151 NZD
£511 GBP
View
A
Retailer 3
-
$1,205 NZD
$679 USD
View
A
Retailer 4
-
$1,205 NZD
$679 USD
View
Final sale: no returns
A
Retailer 5
-
$1,334 NZD
$752 USD
View
A
Retailer 6
-
$1,454 NZD
HK$6,400 HKD
View
A
Retailer 7
-
$1,561 NZD
$880 USD
View
B+
Retailer 8
-
$1,788 NZD
$1,008 USD
View
A
Retailer 9
-
$1,918 NZD
$1,081 USD
View
A
Retailer 10
-
$2,089 NZD
£927 GBP
View
B+
Retailer 11
-
$3,117 NZD
$1,757 USD
View
B+
Retailer 12
-
$3,510 NZD
$1,978 USD
View
B
Retailer 13
-
$4,215 NZD
$2,375 USD
View
B
Retailer 14
-
$4,258 NZD
$2,400 USD
View
B
Retailer 15
-
$4,315 NZD
$2,432 USD
View
B
Retailer 16
-
$5,332 NZD
$3,005 USD
View
Most Expensive
B
MOH London
LG851625460 · Nov 1
$5,796 NZD
£2,572 GBP
View
16 more retailers have this diamond
Prices start from $1,077 NZDSave up to $4,719 NZD

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
$1,077 NZD