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Oval|Lab Grown|IGI

0.51ct F VS1 Oval Lab Grown Diamond

VG • F/VS1 • IGI LG851653351

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG851653351

Diamond specifications and retailer prices

From $349 NZD
As of November 4, 2026
Save $1,063 NZD (75%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,412 NZD at MOH London · As of November 4, 2026
View at MOH London

About this 0.51ct lab-grown oval diamond

This 0.51ct lab-grown oval sits in the half to three-quarter carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG851653351 or 851653351. Listed at 6 retailers as of November 4, 2026, with prices from $349 to $1,412, a $1,063 spread on the same certified stone. MOH London lists it at $1,412. 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

0.51
Carat
F
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851653351
Dimensions6.40 × 4.51 × 2.79 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizeNone
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.40 mm4.51 mm0.51 ctF / VS1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG851653351
Side View
Table 61.0%Crown 34.1°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 61.9%

Caratlytics Score

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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 4
Current: $1,412 NZD|Low: $349 NZD|High: $1,412 NZD|Avg: $641 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 4, 2026
Retailer 5$349 NZD
Retailer 4$411 NZD
Retailer 2$464 NZD
Retailer 3$690 NZD
Retailer 6$724 NZD
MOH London$1,412 NZD

2 data points across 6 retailers

6 retailers$349 NZD to $1,412 NZD

A
Cheapest Retailer
-
$349 NZD
B+
Retailer 2
-
$411 NZD
View
B+
Retailer 3
-
$464 NZD
View
B
Retailer 4
-
$690 NZD
View
B
Retailer 5
-
$724 NZD
View
Most Expensive
B
MOH London
LG851653351 · Nov 4
$1,412 NZD
£625 GBP
View
5 more retailers have this diamond
Prices start from $349 NZDSave up to $1,063 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
0.51ct Oval
$349 NZD