Emerald|Lab Grown|IGI

20.03ct F VVS2 Emerald Lab Grown Diamond

ID • F/VVS2 • IGI LG833691131

Shape and cutting style on the report: Emerald cut

Certificate IGI LG833691131

Diamond specifications and retailer prices

From £3,926 GBP
$5,261 USD
As of October 31, 2026
Save £16,263 GBP (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £30,704 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 20.03ct lab-grown emerald diamond

This 20.03ct lab-grown emerald sits in the over five carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG833691131 or 833691131. Listed at 17 retailers as of October 31, 2026, with a 414% 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

20.03
Carat
F
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833691131
Dimensions18.83 × 12.93 × 8.39 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
18.83 mm12.93 mm20.03 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833691131
Side View
Table 69.0%Crown 30.2°Girdle: Slightly ThickPavilion 40.9°Culet: LargeDepth 64.9%

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 31
Current: £30,704 GBP|Low: £3,926 GBP|High: £30,704 GBP|Avg: £10,444 GBP
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
November 1, 2026
Retailer 3£3,926 GBP
Retailer 9£4,067 GBP
Retailer 12£4,843 GBP
Retailer 6£5,100 GBP
Retailer 10£5,194 GBP
Retailer 8£5,290 GBP
Retailer 2£5,942 GBP
Retailer 11£6,540 GBP
Retailer 7£7,706 GBP
Retailer 5£10,590 GBP
Retailer 13£11,305 GBP
Retailer 4£14,558 GBP
Retailer 14£20,190 GBP
Brilliant Earth£30,704 GBP

37 data points across 14 retailers

17 retailers£3,926 GBP to £20,190 GBP

A
Cheapest Retailer
-
£3,926 GBP
$5,261 USD
Final sale: no returns
A
Retailer 2
-
£4,067 GBP
$5,450 USD
View
Retailer 3
-
£4,220 GBP
$5,655 USD
View
Price last confirmed 30 days ago
Retailer 4
-
£4,608 GBP
$6,174 USD
View
Price last confirmed 37 days ago
B+
Retailer 5
-
£4,843 GBP
HK$50,700 HKD
View
Retailer 6
-
£5,100 GBP
$6,833 USD
View
Price last confirmed 29 days ago
B+
Retailer 7
-
£5,194 GBP
$6,960 USD
View
B+
Retailer 8
-
£5,290 GBP
View
B+
Retailer 9
-
£5,942 GBP
$7,962 USD
View
Retailer 10
-
£6,054 GBP
$8,112 USD
View
Price last confirmed 32 days ago
B+
Retailer 11
-
£6,540 GBP
€8,345 EUR
View
B+
Retailer 12
-
£7,706 GBP
A$15,885 AUD
View
B
Retailer 13
-
£10,590 GBP
$14,189 USD
View
B
Retailer 14
-
£11,305 GBP
$15,147 USD
View
B
Retailer 15
-
£14,558 GBP
$19,506 USD
View
B
Retailer 16
-
£20,190 GBP
$27,052 USD
View
Most Expensive
Brilliant Earth
21669955A · Oct 31
£30,704 GBP
$41,140 USD
View
Price under review
16 more retailers have this diamond
Prices start from £3,926 GBPSave up to £16,263 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
20.03ct Emerald
£3,926 GBP