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Emerald|Lab Grown|IGI

1.45ct E SI1 Emerald Lab Grown Diamond

GD • E/SI1 • IGI LG566310443

Shape and cutting style on the report: Emerald cut

Certificate IGI LG566310443

Diamond specifications and retailer prices

From £134 GBP
$180 USD
As of October 27, 2026
Save £1,157 GBP (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,291 GBP at Do Amore Diamonds · As of October 27, 2026
View at Do Amore Diamonds

About this 1.45ct lab-grown emerald diamond

This 1.45ct lab-grown emerald sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG566310443 or 566310443. Listed at 10 retailers as of October 27, 2026, with prices from £134 to £1,291, a £1,157 spread on the same certified stone. Do Amore Diamonds lists it at £1,291. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.45
Carat
E
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG566310443
Dimensions7.81 × 5.32 × 3.51 mm
L/W Ratio1.47
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
7.81 mm5.32 mm1.45 ctE / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG566310443
Side View
Table 63.0%Crown 30.5°Girdle: MediumPavilion 40.3°Culet: LNGDepth 66.0%

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: £1,291 GBP|Low: £106 GBP|High: £1,336 GBP|Avg: £549 GBP
Do Amore Diamonds
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
October 26, 2026
Retailer 9£134 GBP
Retailer 14£152 GBP
Retailer 7£156 GBP
Retailer 11£295 GBP
Retailer 3£304 GBP
Retailer 4£390 GBP
Retailer 5£433 GBP
Retailer 8£566 GBP
Retailer 10£591 GBP
Retailer 13£646 GBP
Retailer 2£862 GBP
Retailer 6£881 GBP
Retailer 12£881 GBP
Do Amore Diamonds£1,291 GBP

17 data points across 14 retailers

10 retailers£134 GBP to £1,291 GBP

A
Cheapest Retailer
-
£134 GBP
$180 USD
B+
Retailer 2
-
£156 GBP
$209 USD
View
B
Retailer 3
-
£295 GBP
$395 USD
View
B
Retailer 4
-
£566 GBP
$758 USD
View
B
Retailer 5
-
£591 GBP
$792 USD
View
B
Retailer 6
-
£646 GBP
$865 USD
View
B
Retailer 7
-
£862 GBP
View
C
Retailer 8
-
£881 GBP
$1,180 USD
View
C
Retailer 9
-
£881 GBP
$1,180 USD
View
Most Expensive
C
Do Amore Diamonds
27-49F88DDAD · Oct 27
£1,291 GBP
$1,730 USD
View
9 more retailers have this diamond
Prices start from £134 GBPSave up to £1,157 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
1.45ct Emerald
£134 GBP