Emerald|Lab Grown|IGI

3.18ct F VVS1 Emerald Lab Grown Diamond

ID • F/VVS1 • IGI LG844673146

Shape and cutting style on the report: Emerald cut

Certificate IGI LG844673146

Diamond specifications and retailer prices

From £390 GBP
$522 USD
As of October 27, 2026
Save £4,962 GBP (93%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £5,351 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.18ct lab-grown emerald diamond

This 3.18ct lab-grown emerald sits in the three to five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG844673146 or 844673146. Listed at 21 retailers as of October 27, 2026, with prices from £390 to £5,351, a £4,962 spread on the same certified stone. Brilliant Earth lists it at £5,351. 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

3.18
Carat
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle42.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844673146
Dimensions10.46 × 6.63 × 4.55 mm
L/W Ratio1.58
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.46 mm6.63 mm3.18 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844673146
Side View
Table 64.0%Crown 36.4°Girdle: MED-STKPavilion 42.6°Culet: LargeDepth 68.6%

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 27
Current: £642 GBP|Low: £390 GBP|High: £2,122 GBP|Avg: £1,073 GBP|-5.3%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 1, 2026
Retailer 7£390 GBP
Retailer 5£434 GBP
Retailer 10£445 GBP
Retailer 8£493 GBP
Retailer 19£582 GBP
Retailer 1£642 GBP
Retailer 6£703 GBP
Retailer 12£742 GBP
Retailer 14£749 GBP
Retailer 4£1,016 GBP
Retailer 11£1,059 GBP
Retailer 2£1,242 GBP
Retailer 9£1,295 GBP
Retailer 16£1,395 GBP
Retailer 20£1,515 GBP
Retailer 17£1,558 GBP
Retailer 15£1,573 GBP
Retailer 3£1,692 GBP
Retailer 18£2,044 GBP
Retailer 13£2,122 GBP

12 data points across 20 retailers

21 retailers£390 GBP to £5,351 GBP

A
Cheapest Retailer
-
£390 GBP
$522 USD
A
Retailer 2
-
£434 GBP
$582 USD
View
Final sale: no returns
Retailer 3
-
£445 GBP
$596 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
£493 GBP
$660 USD
View
A
Retailer 5
-
£582 GBP
$780 USD
View
B+
Retailer 6
-
£642 GBP
$860 USD
View
A
Retailer 7
-
£703 GBP
€897 EUR
View
A
Retailer 8
-
£742 GBP
View
A
Retailer 9
-
£749 GBP
$1,004 USD
View
B+
Retailer 10
-
£1,016 GBP
A$2,095 AUD
View
Retailer 11
-
£1,059 GBP
ZAR 22,931 ZAR
View
Price last confirmed 8 days ago
B+
Retailer 12
-
£1,242 GBP
$1,664 USD
View
Retailer 13
-
£1,295 GBP
$1,735 USD
View
Price last confirmed 7 days ago
B+
Retailer 14
-
£1,395 GBP
$1,869 USD
View
B+
Retailer 15
-
£1,515 GBP
SGD 2,743 SGD
View
B+
Retailer 16
-
£1,558 GBP
$2,087 USD
View
B+
Retailer 17
-
£1,573 GBP
$2,108 USD
View
B
Retailer 18
-
£1,692 GBP
$2,267 USD
View
B
Retailer 19
-
£2,044 GBP
A$4,213 AUD
View
Retailer 20
-
£2,122 GBP
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
22282326A · Oct 31
£5,351 GBP
$7,170 USD
View
20 more retailers have this diamond
Prices start from £390 GBPSave up to £4,962 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
3.18ct Emerald
£390 GBP