Oval|Lab Grown|IGI

4.09ct H VS1 Oval Lab Grown Diamond

GD • H/VS1 • IGI LG573398321

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG573398321

Diamond specifications and retailer prices

From £563 GBP
$755 USD
As of October 31, 2026
Save £3,758 GBP (87%) vs most expensive(unlock to see where)
15 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 standard cut grade and certified by IGI LG573398321 or 573398321. Listed at 15 retailers as of October 31, 2026, with prices from £563 to £4,321, a £3,758 spread on the same certified stone. Brilliant Earth lists it at £4,321. 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

4.09
Carat
H
Colour
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG573398321
Dimensions12.80 × 9.15 × 5.69 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Top View
12.80 mm9.15 mm4.09 ctH / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG573398321
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £4,321 GBP|Low: £278 GBP|High: £4,456 GBP|Avg: £1,184 GBP|-3.0%
Brilliant Earth
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
October 31, 2026
Retailer 4£384 GBP
Retailer 5£426 GBP
Retailer 8£543 GBP
Retailer 9£563 GBP
Retailer 16£716 GBP
Retailer 2£720 GBP
Retailer 15£766 GBP
Retailer 11£916 GBP
Retailer 10£922 GBP
Retailer 14£943 GBP
Retailer 6£1,149 GBP
Retailer 12£1,237 GBP
Retailer 3£1,499 GBP
Retailer 13£1,931 GBP
Retailer 7£1,989 GBP
Brilliant Earth£4,321 GBP

29 data points across 16 retailers

15 retailers£563 GBP to £4,321 GBP

Retailer 1
-
£343 GBP
$460 USD
Price last confirmed 39 days ago
Retailer 2
-
£384 GBP
$515 USD
View
Price last confirmed 36 days ago
Retailer 3
-
£420 GBP
$563 USD
View
Price last confirmed 35 days ago
B+
Retailer 4
-
£563 GBP
$755 USD
View
B
Retailer 5
-
£716 GBP
$959 USD
View
B+
Retailer 6
-
£720 GBP
€919 EUR
View
B+
Retailer 7
-
£766 GBP
$1,027 USD
View
B+
Retailer 8
-
£916 GBP
ZAR 19,820 ZAR
View
B+
Retailer 9
-
£922 GBP
A$1,901 AUD
View
B+
Retailer 10
-
£943 GBP
$1,263 USD
View
B
Retailer 11
-
£1,237 GBP
$1,657 USD
View
Retailer 12
-
£1,369 GBP
$1,834 USD
View
Price last confirmed 34 days ago
B
Retailer 13
-
£1,499 GBP
$2,008 USD
View
Retailer 14
-
£1,931 GBP
View
Price last confirmed 11 days ago
Most Expensive
C
Brilliant Earth
7622893A · Oct 31
£4,321 GBP
$5,790 USD
View
14 more retailers have this diamond
Prices start from £563 GBPSave up to £3,758 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.

B+
4.09ct Oval
£563 GBP