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Emerald|Lab Grown|IGI

3.14ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG640409308

Shape and cutting style on the report: Emerald cut

Certificate IGI LG640409308

Diamond specifications and retailer prices

From £677 GBP
$902 USD
As of October 30, 2026
Save £1,579 GBP (70%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £6,015 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 3.14ct lab-grown emerald diamond

This 3.14ct lab-grown emerald sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG640409308 or 640409308. Listed at 12 retailers as of October 29, 2026, with a 233% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.14
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640409308
Dimensions9.77 × 6.91 × 4.69 mm
L/W Ratio1.41
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.77 mm6.91 mm3.14 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640409308
Side View
Table 65.0%Crown 34.7°Girdle: MED-STKPavilion 40.9°Culet: LargeDepth 67.9%

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: £1,250 GBP|Low: £541 GBP|High: £6,015 GBP|Avg: £1,309 GBP|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 6£677 GBP
Retailer 11£737 GBP
Retailer 3£758 GBP
Retailer 7£786 GBP
Retailer 10£786 GBP
Retailer 4£916 GBP
Retailer 2£1,050 GBP
Retailer 1£1,250 GBP
Retailer 8£1,627 GBP
Retailer 5£1,904 GBP
Retailer 9£2,257 GBP

41 data points across 11 retailers

12 retailers£677 GBP to £2,257 GBP

A
Cheapest Retailer
-
£677 GBP
$902 USD
B+
Retailer 2
-
£737 GBP
$982 USD
View
A
Retailer 3
-
£758 GBP
$1,009 USD
View
Final sale: no returns
B+
Retailer 4
-
£786 GBP
$1,047 USD
View
Retailer 5
-
£786 GBP
$1,047 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
£916 GBP
$1,220 USD
View
B+
Retailer 7
-
£1,050 GBP
$1,398 USD
View
B+
Retailer 8
-
£1,250 GBP
View
B
Retailer 9
-
£1,627 GBP
$2,166 USD
View
Retailer 10
-
£1,904 GBP
$2,535 USD
View
Price last confirmed 9 days ago
B
Retailer 11
-
£2,257 GBP
$3,005 USD
View
Most Expensive
Do Amore Diamonds
27-9E146F894 · Oct 30
£6,015 GBP
$8,010 USD
View
Price under review
11 more retailers have this diamond
Prices start from £677 GBPSave up to £1,579 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
3.14ct Emerald
£677 GBP