CaratHunter
Plans
Oval|Lab Grown|IGI

20.84ct F VS2 Oval Lab Grown Diamond

EX • F/VS2 • IGI LG774674171

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG774674171

Diamond specifications and retailer prices

From £8,325 GBP
$11,155 USD
As of November 2, 2026
Save £12,489 GBP (60%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £20,814 GBP at Adiamor · As of November 2, 2026
View at Adiamor

About this 20.84ct lab-grown oval diamond

This 20.84ct 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 LG774674171 or 774674171. Listed at 6 retailers as of November 2, 2026, with prices from £8,325 to £20,814, a £12,489 spread on the same certified stone. Adiamor lists it at £20,814. 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

20.84
Carat
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.2°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG774674171
Dimensions22.03 × 15.48 × 9.14 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
22.03 mm15.48 mm20.84 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG774674171
Side View
Table 59.0%Crown 31.2°Girdle: STK-THKPavilion 38.7°Culet: NoneDepth 59.0%

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 2
Current: £20,814 GBP|Low: £5,428 GBP|High: £30,465 GBP|Avg: £13,265 GBP|-0.8%
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 7£5,428 GBP
Retailer 4£8,325 GBP
Retailer 3£8,462 GBP
Retailer 6£9,131 GBP
Retailer 5£9,302 GBP
Retailer 2£10,101 GBP
Adiamor£20,814 GBP
Retailer 8£30,465 GBP

34 data points across 8 retailers

6 retailers£8,325 GBP to £20,814 GBP

B+
Cheapest Retailer
-
£8,325 GBP
$11,155 USD
B+
Retailer 2
-
£8,462 GBP
$11,338 USD
View
B
Retailer 3
-
£9,131 GBP
$12,234 USD
View
Final sale: no returns
B+
Retailer 4
-
£9,302 GBP
$12,463 USD
View
B+
Retailer 5
-
£10,101 GBP
View
Most Expensive
B
Adiamor
D-77407542 · Nov 2
£20,814 GBP
$27,889 USD
View
5 more retailers have this diamond
Prices start from £8,325 GBPSave up to £12,489 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+
20.84ct Oval
£8,325 GBP