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Emerald|Lab Grown|IGI

20.00ct F VS2 Emerald Lab Grown Diamond

ID • F/VS2 • IGI LG826606881

Shape and cutting style on the report: Modified emerald cut

Certificate IGI LG826606881

Diamond specifications and retailer prices

From £3,967 GBP
$5,315 USD
As of October 30, 2026
Save £19,311 GBP (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £23,278 GBP at With Clarity · As of October 31, 2026
View at With Clarity

About this 20ct lab-grown emerald diamond

This 20ct lab-grown emerald 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 LG826606881 or 826606881. Listed at 15 retailers as of October 30, 2026, with prices from £3,967 to £23,278, a £19,311 spread on the same certified stone. With Clarity lists it at £23,278. 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

20.00
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826606881
Dimensions18.96 × 12.98 × 7.64 mm
L/W Ratio1.46
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.96 mm12.98 mm20.00 ctF / VS2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826606881
Side View
Table 70.0%Crown 33.4°Girdle: STK-THKPavilion 36.6°Culet: LargeDepth 58.9%

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 30
Current: £5,899 GBP|Low: £3,332 GBP|High: £25,736 GBP|Avg: £7,692 GBP|-9.1%
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
With Clarity
November 1, 2026
Retailer 8£3,967 GBP
Retailer 14£4,157 GBP
Retailer 6£4,602 GBP
Retailer 12£4,602 GBP
Retailer 7£4,612 GBP
Retailer 4£4,749 GBP
Retailer 5£4,853 GBP
Retailer 13£5,462 GBP
Retailer 3£5,667 GBP
Retailer 1£5,899 GBP
Retailer 2£7,108 GBP
Retailer 9£7,531 GBP
Retailer 11£16,383 GBP
Retailer 10£18,191 GBP
With Clarity£23,278 GBP

42 data points across 15 retailers

15 retailers£3,967 GBP to £23,278 GBP

A
Cheapest Retailer
-
£3,967 GBP
$5,315 USD
A
Retailer 2
-
£4,157 GBP
$5,570 USD
View
Retailer 3
-
£4,602 GBP
$6,166 USD
View
Price last confirmed 19 days ago
B+
Retailer 4
-
£4,602 GBP
$6,166 USD
View
B+
Retailer 5
-
£4,612 GBP
$6,180 USD
View
B+
Retailer 6
-
£4,749 GBP
$6,363 USD
View
B+
Retailer 7
-
£4,853 GBP
$6,503 USD
View
Final sale: no returns
B+
Retailer 8
-
£5,462 GBP
$7,319 USD
View
B+
Retailer 9
-
£5,667 GBP
$7,593 USD
View
B+
Retailer 10
-
£5,899 GBP
View
Retailer 11
-
£7,108 GBP
$9,524 USD
View
Price last confirmed 8 days ago
B
Retailer 12
-
£7,531 GBP
€9,610 EUR
View
B
Retailer 13
-
£16,383 GBP
$21,951 USD
View
B
Retailer 14
-
£18,191 GBP
$24,374 USD
View
Most Expensive
B
With Clarity
826606881 · Oct 31
£23,278 GBP
$31,190 USD
View
14 more retailers have this diamond
Prices start from £3,967 GBPSave up to £19,311 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
20.00ct Emerald
£3,967 GBP