Emerald|Lab Grown|IGI

18.03ct F VVS2 Emerald Lab Grown Diamond

ID • F/VVS2 • IGI LG840646366

Shape and cutting style on the report: Emerald cut

Certificate IGI LG840646366

Diamond specifications and retailer prices

From £3,903 GBP
$5,230 USD
As of October 31, 2026
Save £12,633 GBP (76%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £27,637 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 18.03ct lab-grown emerald diamond

This 18.03ct 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 LG840646366 or 840646366. Listed at 13 retailers as of October 31, 2026, with a 324% 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

18.03
Carat
F
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840646366
Dimensions18.63 × 12.61 × 7.89 mm
L/W Ratio1.48
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.63 mm12.61 mm18.03 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840646366
Side View
Table 67.0%Crown 34.8°Girdle: MediumPavilion 39.2°Culet: LargeDepth 62.6%

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: £7,378 GBP|Low: £3,903 GBP|High: £16,536 GBP|Avg: £7,735 GBP|-0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 6£3,903 GBP
Retailer 12£4,227 GBP
Retailer 3£4,982 GBP
Retailer 5£5,064 GBP
Retailer 4£5,232 GBP
Retailer 2£5,689 GBP
Retailer 7£6,038 GBP
Retailer 8£6,362 GBP
Retailer 1£7,378 GBP
Retailer 10£13,932 GBP
Retailer 11£14,690 GBP
Retailer 9£16,536 GBP

15 data points across 12 retailers

13 retailers£3,903 GBP to £16,536 GBP

A
Cheapest Retailer
-
£3,903 GBP
$5,230 USD
B+
Retailer 2
-
£4,227 GBP
$5,664 USD
View
Final sale: no returns
B+
Retailer 3
-
£4,982 GBP
$6,675 USD
View
B+
Retailer 4
-
£5,064 GBP
View
Retailer 5
-
£5,232 GBP
$7,010 USD
View
Price last confirmed 14 days ago
B+
Retailer 6
-
£5,689 GBP
$7,622 USD
View
B+
Retailer 7
-
£6,038 GBP
ZAR 130,691 ZAR
View
B+
Retailer 8
-
£6,362 GBP
€8,119 EUR
View
B
Retailer 9
-
£7,378 GBP
A$15,208 AUD
View
B
Retailer 10
-
£13,932 GBP
$18,667 USD
View
B
Retailer 11
-
£14,690 GBP
$19,683 USD
View
B
Retailer 12
-
£16,536 GBP
$22,157 USD
View
Most Expensive
Brilliant Earth
22155384A · Oct 31
£27,637 GBP
$37,030 USD
View
Price under review
12 more retailers have this diamond
Prices start from £3,903 GBPSave up to £12,633 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
18.03ct Emerald
£3,903 GBP