CaratHunter
Plans
Emerald|Lab Grown|IGI

3.03ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG566394419

Shape and cutting style on the report: Emerald cut

Certificate IGI LG566394419

Diamond specifications and retailer prices

From £260 GBP
$348 USD
As of October 30, 2026
Save £3,166 GBP (92%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,426 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 3.03ct lab-grown emerald diamond

This 3.03ct 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 LG566394419 or 566394419. Listed at 16 retailers as of October 28, 2026, with prices from £260 to £3,426, a £3,166 spread on the same certified stone. Brilliant Earth lists it at £3,426. 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

3.03
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.6°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG566394419
Dimensions9.18 × 6.60 × 4.47 mm
L/W Ratio1.39
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.18 mm6.60 mm3.03 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG566394419
Side View
Table 63.0%Crown 38.6°Girdle: MediumPavilion 38.2°Culet: LNGDepth 67.7%

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: £3,426 GBP|Low: £249 GBP|High: £3,530 GBP|Avg: £853 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
Retailer 12
October 31, 2026
Retailer 11£260 GBP
Retailer 5£290 GBP
Retailer 3£322 GBP
Retailer 12£322 GBP
Retailer 2£433 GBP
Retailer 8£437 GBP
Retailer 7£513 GBP
Retailer 4£558 GBP
Retailer 6£579 GBP
Retailer 10£945 GBP
Retailer 9£1,261 GBP
Brilliant Earth£3,426 GBP

44 data points across 12 retailers

16 retailers£260 GBP to £3,426 GBP

A
Cheapest Retailer
-
£260 GBP
$348 USD
A
Retailer 2
-
£290 GBP
$389 USD
View
Final sale: no returns
A
Retailer 3
-
£302 GBP
$404 USD
View
A
Retailer 4
-
£322 GBP
$432 USD
View
A
Retailer 5
-
£322 GBP
$432 USD
View
B+
Retailer 6
-
£433 GBP
$580 USD
View
A
Retailer 7
-
£437 GBP
$585 USD
View
A
Retailer 8
-
£513 GBP
€654 EUR
View
A
Retailer 9
-
£558 GBP
$748 USD
View
A
Retailer 10
-
£579 GBP
View
B+
Retailer 11
-
£945 GBP
$1,266 USD
View
B+
Retailer 12
-
£1,036 GBP
$1,388 USD
View
B+
Retailer 13
-
£1,067 GBP
$1,430 USD
View
B
Retailer 14
-
£1,244 GBP
$1,666 USD
View
B+
Retailer 15
-
£1,261 GBP
View
Most Expensive
B
Brilliant Earth
16273539A · Oct 28
£3,426 GBP
$4,590 USD
View
15 more retailers have this diamond
Prices start from £260 GBPSave up to £3,166 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
3.03ct Emerald
£260 GBP