CaratHunter
Plans
Emerald|Lab Grown|IGI

20.00ct F VVS2 Emerald Lab Grown Diamond

EX • F/VVS2 • IGI LG787613687

Shape and cutting style on the report: Emerald cut

Certificate IGI LG787613687

Diamond specifications and retailer prices

From £6,431 GBP
$8,617 USD
As of October 26, 2026
Save £15,206 GBP (70%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £30,659 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 20ct lab-grown emerald diamond

This 20ct 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 LG787613687 or 787613687. Listed at 11 retailers as of October 26, 2026, with a 236% 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

20.00
Carat
F
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787613687
Dimensions18.44 × 13.01 × 7.98 mm
L/W Ratio1.42
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.44 mm13.01 mm20.00 ctF / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787613687
Side View
Table 60.0%Crown 32°Girdle: MED-STKPavilion 38.6°Culet: LargeDepth 61.3%

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: Oct 26
Current: £30,659 GBP|Low: £6,431 GBP|High: £32,571 GBP|Avg: £15,529 GBP|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 11£6,431 GBP
Retailer 8£6,456 GBP
Retailer 7£7,227 GBP
Retailer 2£8,004 GBP
Retailer 4£10,056 GBP
Retailer 5£10,797 GBP
Retailer 6£12,395 GBP
Retailer 10£20,867 GBP
Retailer 3£21,637 GBP
Brilliant Earth£30,659 GBP
Retailer 9£32,571 GBP

42 data points across 11 retailers

11 retailers£6,431 GBP to £21,637 GBP

B+
Cheapest Retailer
-
£6,431 GBP
$8,617 USD
B+
Retailer 2
-
£6,456 GBP
$8,650 USD
View
B+
Retailer 3
-
£7,227 GBP
$9,683 USD
View
B+
Retailer 4
-
£8,004 GBP
View
B
Retailer 5
-
£10,056 GBP
ZAR 217,681 ZAR
View
B
Retailer 6
-
£10,797 GBP
€13,778 EUR
View
Retailer 7
-
£12,395 GBP
A$25,550 AUD
View
Price last confirmed 8 days ago
B
Retailer 8
-
£20,867 GBP
$27,960 USD
View
B
Retailer 9
-
£21,637 GBP
$28,992 USD
View
Most Expensive
Brilliant Earth
20457835A · Oct 29
£30,659 GBP
$41,080 USD
View
Price under review
9 more retailers have this diamond
Prices start from £6,431 GBPSave up to £15,206 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+
20.00ct Emerald
£6,431 GBP