Oval|Lab Grown|IGI

20.09ct F VS2 Oval Lab Grown Diamond

ID • F/VS2 • IGI LG805648247

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG805648247

Diamond specifications and retailer prices

From £6,742 GBP
As of November 1, 2026
Save £19,193 GBP (74%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £26,161 GBP at Taylor and Hart · As of October 17, 2026
View at Taylor and Hart

About this 20.09ct lab-grown oval diamond

This 20.09ct lab-grown oval sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG805648247 or 805648247. Listed at 17 retailers as of October 31, 2026, with a 285% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

20.09
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805648247
Dimensions21.78 × 15.17 × 9.82 mm
L/W Ratio1.44
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
21.78 mm15.17 mm20.09 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805648247
Side View
Table 59.0%Crown 38°Girdle: MED-STKPavilion 41°Culet: NoneDepth 64.7%

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: Nov 1
Current: £9,963 GBP|Low: £6,739 GBP|High: £36,372 GBP|Avg: £12,037 GBP|-9.9%
Retailer 1
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
Taylor and Hart
November 2, 2026
Retailer 10£6,742 GBP
Retailer 9£7,236 GBP
Retailer 14£7,526 GBP
Retailer 4£7,832 GBP
Retailer 3£8,394 GBP
Retailer 11£8,394 GBP
Retailer 15£8,396 GBP
Retailer 2£8,592 GBP
Retailer 16£8,911 GBP
Retailer 7£8,963 GBP
Retailer 13£9,440 GBP
Retailer 1£9,963 GBP
Retailer 6£11,370 GBP
Retailer 12£13,633 GBP
Retailer 5£19,492 GBP
Retailer 8£25,935 GBP
Taylor and Hart£26,161 GBP

27 data points across 17 retailers

17 retailers£6,742 GBP to £25,935 GBP

B+
Cheapest Retailer
-
£6,742 GBP
B+
Retailer 2
-
£7,236 GBP
$9,696 USD
View
B+
Retailer 3
-
£7,526 GBP
$10,084 USD
View
B+
Retailer 4
-
£7,832 GBP
$10,494 USD
View
Retailer 5
-
£8,394 GBP
$11,247 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
£8,394 GBP
$11,247 USD
View
B+
Retailer 7
-
£8,396 GBP
$11,250 USD
View
B+
Retailer 8
-
£8,592 GBP
$11,512 USD
View
B
Retailer 9
-
£8,911 GBP
$11,940 USD
View
B
Retailer 10
-
£8,963 GBP
$12,009 USD
View
B+
Retailer 11
-
£9,440 GBP
$12,649 USD
View
B+
Retailer 12
-
£9,963 GBP
View
B
Retailer 13
-
£11,370 GBP
$15,235 USD
View
Final sale: no returns
B
Retailer 14
-
£13,633 GBP
€17,397 EUR
View
B
Retailer 15
-
£19,492 GBP
$26,117 USD
View
B
Retailer 16
-
£25,935 GBP
$34,750 USD
View
Most Expensive
Taylor and Hart
U4VGRS5 · Oct 17
£26,161 GBP
$35,053 USD
View
Price last confirmed 15 days ago
16 more retailers have this diamond
Prices start from £6,742 GBPSave up to £19,193 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+
20.09ct Oval
£6,742 GBP