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Oval|Lab Grown|IGI

4.09ct H VS1 Oval Lab Grown Diamond

EX • H/VS1 • IGI LG576349717

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG576349717

Diamond specifications and retailer prices

From £371 GBP
$497 USD
As of October 29, 2026
Save £3,950 GBP (91%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £4,321 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.09ct lab-grown oval diamond

This 4.09ct lab-grown oval sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG576349717 or 576349717. Listed at 19 retailers as of October 29, 2026, with prices from £371 to £4,321, a £3,950 spread on the same certified stone. Brilliant Earth lists it at £4,321. 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

4.09
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG576349717
Dimensions12.78 × 9.13 × 5.71 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Top View
12.78 mm9.13 mm4.09 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG576349717
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.5%

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: Oct 29
Current: £4,321 GBP|Low: £330 GBP|High: £4,456 GBP|Avg: £1,057 GBP|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 10
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Retailer 12
Retailer 13
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Retailer 15
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Retailer 19
Retailer 20
November 1, 2026
Retailer 10£371 GBP
Retailer 5£416 GBP
Retailer 17£416 GBP
Retailer 3£460 GBP
Retailer 6£460 GBP
Retailer 20£510 GBP
Retailer 14£563 GBP
Retailer 7£716 GBP
Retailer 13£720 GBP
Retailer 4£766 GBP
Retailer 16£916 GBP
Retailer 15£922 GBP
Retailer 19£943 GBP
Retailer 12£1,149 GBP
Retailer 9£1,211 GBP
Retailer 18£1,237 GBP
Retailer 8£1,499 GBP
Retailer 11£1,684 GBP
Retailer 2£1,921 GBP
Brilliant Earth£4,321 GBP

35 data points across 20 retailers

19 retailers£371 GBP to £4,321 GBP

A
Cheapest Retailer
-
£371 GBP
$497 USD
A
Retailer 2
-
£416 GBP
$557 USD
View
A
Retailer 3
-
£416 GBP
$557 USD
View
Final sale: no returns
A
Retailer 4
-
£460 GBP
$617 USD
View
Retailer 5
-
£460 GBP
$617 USD
View
Price last confirmed 16 days ago
Retailer 6
-
£510 GBP
View
Price last confirmed 15 days ago
A
Retailer 7
-
£563 GBP
$755 USD
View
B+
Retailer 8
-
£716 GBP
$959 USD
View
A
Retailer 9
-
£720 GBP
€919 EUR
View
A
Retailer 10
-
£766 GBP
$1,027 USD
View
A
Retailer 11
-
£916 GBP
ZAR 19,820 ZAR
View
A
Retailer 12
-
£922 GBP
A$1,901 AUD
View
A
Retailer 13
-
£943 GBP
$1,263 USD
View
B+
Retailer 14
-
£1,211 GBP
$1,622 USD
View
B+
Retailer 15
-
£1,237 GBP
$1,657 USD
View
B+
Retailer 16
-
£1,499 GBP
$2,008 USD
View
Retailer 17
-
£1,684 GBP
$2,257 USD
View
Price last confirmed 21 days ago
B
Retailer 18
-
£1,921 GBP
View
Most Expensive
B
Brilliant Earth
7623709A · Oct 31
£4,321 GBP
$5,790 USD
View
18 more retailers have this diamond
Prices start from £371 GBPSave up to £3,950 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
4.09ct Oval
£371 GBP