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Emerald|Lab Grown|IGI

3.05ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG658494556

Shape and cutting style on the report: Emerald cut

Certificate IGI LG658494556

Diamond specifications and retailer prices

From £243 GBP
$326 USD
As of October 30, 2026
Save £1,734 GBP (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,978 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.05ct lab-grown emerald diamond

This 3.05ct 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 LG658494556 or 658494556. Listed at 19 retailers as of October 29, 2026, with prices from £243 to £1,978, a £1,734 spread on the same certified stone. Brilliant Earth lists it at £1,978. 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

3.05
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG658494556
Dimensions10.49 × 6.71 × 4.61 mm
L/W Ratio1.56
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.49 mm6.71 mm3.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG658494556
Side View
Table 66.0%Crown 28.2°Girdle: MediumPavilion 40.7°Culet: LNGDepth 68.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,978 GBP|Low: £234 GBP|High: £2,217 GBP|Avg: £803 GBP|-10.8%
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
Retailer 15
October 30, 2026
Retailer 12£243 GBP
Retailer 3£272 GBP
Retailer 4£302 GBP
Retailer 13£302 GBP
Retailer 11£455 GBP
Retailer 8£484 GBP
Retailer 15£489 GBP
Retailer 2£539 GBP
Retailer 14£596 GBP
Retailer 9£748 GBP
Retailer 6£968 GBP
Retailer 5£1,003 GBP
Retailer 10£1,215 GBP
Retailer 7£1,568 GBP
Brilliant Earth£1,978 GBP

44 data points across 15 retailers

19 retailers£243 GBP to £1,978 GBP

A
Cheapest Retailer
-
£243 GBP
$326 USD
Retailer 2
-
£246 GBP
$330 USD
View
Price last confirmed 38 days ago
A
Retailer 3
-
£272 GBP
$364 USD
View
Final sale: no returns
Retailer 4
-
£286 GBP
$383 USD
View
Price last confirmed 35 days ago
A
Retailer 5
-
£302 GBP
$404 USD
View
Retailer 6
-
£302 GBP
$404 USD
View
Price last confirmed 35 days ago
A
Retailer 7
-
£302 GBP
$404 USD
View
A
Retailer 8
-
£455 GBP
$610 USD
View
A
Retailer 9
-
£484 GBP
€618 EUR
View
B+
Retailer 10
-
£489 GBP
$655 USD
View
A
Retailer 11
-
£539 GBP
View
A
Retailer 12
-
£596 GBP
$798 USD
View
B+
Retailer 13
-
£748 GBP
$1,002 USD
View
B+
Retailer 14
-
£968 GBP
SGD 1,752 SGD
View
B+
Retailer 15
-
£969 GBP
$1,299 USD
View
B
Retailer 16
-
£1,003 GBP
$1,343 USD
View
B+
Retailer 17
-
£1,215 GBP
View
Retailer 18
-
£1,568 GBP
$2,102 USD
View
Price last confirmed 72 days ago
Most Expensive
B
Brilliant Earth
18359976A · Oct 29
£1,978 GBP
$2,650 USD
View
18 more retailers have this diamond
Prices start from £243 GBPSave up to £1,734 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
3.05ct Emerald
£243 GBP