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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 £428 GBP
$573 USD
As of October 29, 2026
Save £1,885 GBP (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £2,313 GBP at MOH London · As of October 29, 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 October 29, 2026, with prices from £428 to £2,313, a £1,885 spread on the same certified stone. MOH London lists it at £2,313. 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

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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: Oct 29
Current: £2,313 GBP|Low: £415 GBP|High: £2,356 GBP|Avg: £1,041 GBP|-1.7%
MOH London
Retailer 2
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Retailer 17
October 31, 2026
Retailer 9£428 GBP
Retailer 4£478 GBP
Retailer 8£478 GBP
Retailer 11£503 GBP
Retailer 13£530 GBP
Retailer 17£627 GBP
Retailer 14£711 GBP
Retailer 2£806 GBP
Retailer 12£827 GBP
Retailer 3£1,096 GBP
Retailer 10£1,315 GBP
Retailer 15£1,394 GBP
Retailer 5£1,547 GBP
Retailer 7£1,604 GBP
Retailer 16£1,696 GBP
Retailer 6£1,717 GBP
MOH London£2,313 GBP

39 data points across 17 retailers

18 retailers£428 GBP to £2,313 GBP

A
Cheapest Retailer
-
£428 GBP
$573 USD
A
Retailer 2
-
£478 GBP
$641 USD
View
A
Retailer 3
-
£478 GBP
$641 USD
View
Final sale: no returns
A
Retailer 4
-
£503 GBP
View
A
Retailer 5
-
£530 GBP
$710 USD
View
Retailer 6
-
£536 GBP
$718 USD
View
Price last confirmed 15 days ago
A
Retailer 7
-
£627 GBP
$840 USD
View
B+
Retailer 8
-
£711 GBP
$952 USD
View
A
Retailer 9
-
£806 GBP
€1,028 EUR
View
A
Retailer 10
-
£827 GBP
View
B+
Retailer 11
-
£1,096 GBP
$1,469 USD
View
B+
Retailer 12
-
£1,315 GBP
$1,762 USD
View
B+
Retailer 13
-
£1,394 GBP
$1,868 USD
View
B+
Retailer 14
-
£1,547 GBP
View
B+
Retailer 15
-
£1,604 GBP
$2,149 USD
View
B+
Retailer 16
-
£1,696 GBP
$2,272 USD
View
B+
Retailer 17
-
£1,717 GBP
$2,300 USD
View
Most Expensive
B
MOH London
LG828682984 · Oct 29
£2,313 GBP
View
17 more retailers have this diamond
Prices start from £428 GBPSave up to £1,885 GBP

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
£428 GBP