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Oval|Lab Grown|IGI

4.51ct G VS2 Oval Lab Grown Diamond

GD • G/VS2 • IGI LG660491787

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG660491787

Diamond specifications and retailer prices

From $1,246 NZD
$702 USD
As of November 1, 2026
Save $4,428 NZD (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,674 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 G colour (near-colourless) and VS2 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG660491787 or 660491787. Listed at 8 retailers as of November 1, 2026, with prices from $1,246 to $5,674, a $4,428 spread on the same certified stone. MOH London lists it at $5,674. 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
G
Colour
VS2
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG660491787
Dimensions13.02 × 9.31 × 5.80 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.02 mm9.31 mm4.51 ctG / VS2
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660491787
Side View
Table 67.0%Crown 35.4°Girdle: STK-VTKPavilion 41.5°Culet: NoneDepth 62.3%

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: $5,674 NZD|Low: $997 NZD|High: $5,742 NZD|Avg: $3,142 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
November 1, 2026
Retailer 7$1,246 NZD
Retailer 10$1,356 NZD
Retailer 11$1,395 NZD
Retailer 4$1,717 NZD
Retailer 8$2,349 NZD
Retailer 2$2,351 NZD
Retailer 5$2,562 NZD
Retailer 6$3,557 NZD
Retailer 3$3,744 NZD
Retailer 9$4,061 NZD
Retailer 13$4,489 NZD
Retailer 12$5,417 NZD
MOH London$5,674 NZD

16 data points across 13 retailers

8 retailers$1,246 NZD to $5,674 NZD

A
Cheapest Retailer
-
$1,246 NZD
$702 USD
B+
Retailer 2
-
$1,356 NZD
$764 USD
View
B+
Retailer 3
-
$1,395 NZD
$786 USD
View
Final sale: no returns
B
Retailer 4
-
$2,349 NZD
$1,324 USD
View
B+
Retailer 5
-
$2,351 NZD
$1,325 USD
View
B
Retailer 6
-
$3,557 NZD
$2,005 USD
View
B
Retailer 7
-
$4,061 NZD
$2,289 USD
View
Most Expensive
B
MOH London
LG660491787 · Nov 1
$5,674 NZD
£2,518 GBP
View
7 more retailers have this diamond
Prices start from $1,246 NZDSave up to $4,428 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
$1,246 NZD