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Oval|Lab Grown|IGI

4.51ct G VS2 Oval Lab Grown Diamond

ID • G/VS2 • IGI LG828682984

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG828682984

Diamond specifications and retailer prices

From $1,017 NZD
$573 USD
As of November 1, 2026
Save $4,452 NZD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,469 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 top-tier cut grade and certified by IGI LG828682984 or 828682984. Listed at 18 retailers as of November 1, 2026, with prices from $1,017 to $5,469, a $4,452 spread on the same certified stone. MOH London lists it at $5,469. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.51
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828682984
Dimensions12.80 × 9.04 × 5.76 mm
L/W Ratio1.42
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.80 mm9.04 mm4.51 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828682984
Side View
Table 60.0%Crown 35.3°Girdle: THK-VTKPavilion 40.7°Culet: NoneDepth 63.7%

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: $5,469 NZD|Low: $987 NZD|High: $5,602 NZD|Avg: $2,475 NZD|-2.3%
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 1, 2026
Retailer 9$1,017 NZD
Retailer 4$1,137 NZD
Retailer 8$1,137 NZD
Retailer 2$1,192 NZD
Retailer 13$1,260 NZD
Retailer 17$1,490 NZD
Retailer 14$1,689 NZD
Retailer 11$1,915 NZD
Retailer 10$1,967 NZD
Retailer 3$2,606 NZD
Retailer 12$3,126 NZD
Retailer 15$3,314 NZD
Retailer 5$3,677 NZD
Retailer 7$3,813 NZD
Retailer 16$4,031 NZD
Retailer 6$4,081 NZD
MOH London$5,469 NZD

39 data points across 17 retailers

18 retailers$1,017 NZD to $5,469 NZD

A
Cheapest Retailer
-
$1,017 NZD
$573 USD
A
Retailer 2
-
$1,137 NZD
$641 USD
View
A
Retailer 3
-
$1,137 NZD
$641 USD
View
Final sale: no returns
A
Retailer 4
-
$1,192 NZD
£529 GBP
View
A
Retailer 5
-
$1,260 NZD
$710 USD
View
Retailer 6
-
$1,274 NZD
$718 USD
View
Price last confirmed 16 days ago
A
Retailer 7
-
$1,490 NZD
$840 USD
View
B+
Retailer 8
-
$1,689 NZD
$952 USD
View
A
Retailer 9
-
$1,915 NZD
€1,028 EUR
View
A
Retailer 10
-
$1,967 NZD
£873 GBP
View
B+
Retailer 11
-
$2,606 NZD
$1,469 USD
View
B+
Retailer 12
-
$3,126 NZD
$1,762 USD
View
B+
Retailer 13
-
$3,314 NZD
$1,868 USD
View
B+
Retailer 14
-
$3,677 NZD
£1,632 GBP
View
B+
Retailer 15
-
$3,813 NZD
$2,149 USD
View
B+
Retailer 16
-
$4,031 NZD
$2,272 USD
View
B+
Retailer 17
-
$4,081 NZD
$2,300 USD
View
Most Expensive
B
MOH London
LG828682984 · Nov 1
$5,469 NZD
£2,427 GBP
View
17 more retailers have this diamond
Prices start from $1,017 NZDSave up to $4,452 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
$1,017 NZD