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Oval|Lab Grown|IGI

3.09ct F VS1 Oval Lab Grown Diamond

EX • F/VS1 • IGI LG838657870

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG838657870

Diamond specifications and retailer prices

From £598 GBP
As of October 30, 2026
Save £3,798 GBP (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £4,396 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.09ct lab-grown oval diamond

This 3.09ct lab-grown oval sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG838657870 or 838657870. Listed at 18 retailers as of October 30, 2026, with prices from £598 to £4,396, a £3,798 spread on the same certified stone. Brilliant Earth lists it at £4,396. 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

3.09
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838657870
Dimensions12.07 × 8.14 × 5.04 mm
L/W Ratio1.48
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.07 mm8.14 mm3.09 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838657870
Side View
Table 61.0%Crown 33.3°Girdle: THN-MEDPavilion 41.5°Culet: NoneDepth 61.9%

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 30
Current: £4,396 GBP|Low: £596 GBP|High: £4,568 GBP|Avg: £1,513 GBP|-3.8%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 8
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Retailer 11
Retailer 12
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Retailer 19
October 31, 2026
Retailer 12£598 GBP
Retailer 19£626 GBP
Retailer 17£627 GBP
Retailer 7£725 GBP
Retailer 9£794 GBP
Retailer 2£815 GBP
Retailer 13£1,103 GBP
Retailer 15£1,134 GBP
Retailer 6£1,167 GBP
Retailer 5£1,221 GBP
Retailer 10£1,524 GBP
Retailer 11£1,693 GBP
Retailer 8£1,755 GBP
Retailer 16£1,847 GBP
Retailer 18£2,089 GBP
Retailer 14£2,280 GBP
Retailer 3£2,293 GBP
Retailer 4£3,388 GBP
Brilliant Earth£4,396 GBP

26 data points across 19 retailers

18 retailers£598 GBP to £4,396 GBP

Retailer 1
-
£522 GBP
$700 USD
Price last confirmed 20 days ago
A
Retailer 2
-
£598 GBP
View
B+
Retailer 3
-
£626 GBP
$839 USD
View
A
Retailer 4
-
£627 GBP
$840 USD
View
A
Retailer 5
-
£725 GBP
$971 USD
View
A
Retailer 6
-
£815 GBP
View
B+
Retailer 7
-
£1,103 GBP
A$2,274 AUD
View
B+
Retailer 8
-
£1,134 GBP
ZAR 24,555 ZAR
View
B+
Retailer 9
-
£1,167 GBP
$1,564 USD
View
B+
Retailer 10
-
£1,221 GBP
$1,636 USD
View
Retailer 11
-
£1,524 GBP
View
Price last confirmed 18 days ago
B
Retailer 12
-
£1,693 GBP
$2,268 USD
View
B
Retailer 13
-
£1,755 GBP
$2,351 USD
View
B
Retailer 14
-
£2,089 GBP
$2,799 USD
View
B
Retailer 15
-
£2,280 GBP
View
B
Retailer 16
-
£2,293 GBP
$3,072 USD
View
B
Retailer 17
-
£3,388 GBP
$4,540 USD
View
Most Expensive
B
Brilliant Earth
22280065A · Oct 31
£4,396 GBP
$5,890 USD
View
17 more retailers have this diamond
Prices start from £598 GBPSave up to £3,798 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
3.09ct Oval
£598 GBP