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Emerald|Lab Grown|IGI

1.26ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG587390931

Shape and cutting style on the report: Emerald cut

Certificate IGI LG587390931

Diamond specifications and retailer prices

From £125 GBP
$167 USD
As of October 27, 2026
Save £1,069 GBP (90%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,194 GBP at Do Amore Diamonds · As of October 27, 2026
View at Do Amore Diamonds

About this 1.26ct lab-grown emerald diamond

This 1.26ct 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 top-tier cut grade and certified by IGI LG587390931 or 587390931. Listed at 9 retailers as of October 27, 2026, with prices from £125 to £1,194, a £1,069 spread on the same certified stone. Do Amore Diamonds lists it at £1,194. 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

1.26
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG587390931
Dimensions7.26 × 5.10 × 3.42 mm
L/W Ratio1.42
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
7.26 mm5.10 mm1.26 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG587390931
Side View
Table 64.0%Crown 36.4°Girdle: MediumPavilion 40.4°Culet: LNGDepth 67.1%

Caratlytics Score

How it works →
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 27
Current: £1,194 GBP|Low: £96 GBP|High: £1,209 GBP|Avg: £471 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 26, 2026
Retailer 5£125 GBP
Retailer 9£141 GBP
Retailer 3£144 GBP
Retailer 8£277 GBP
Retailer 7£407 GBP
Retailer 4£524 GBP
Retailer 10£535 GBP
Retailer 6£547 GBP
Retailer 2£797 GBP
Do Amore Diamonds£1,194 GBP

19 data points across 10 retailers

9 retailers£125 GBP to £1,194 GBP

A
Cheapest Retailer
-
£125 GBP
$167 USD
A
Retailer 2
-
£144 GBP
$193 USD
View
B+
Retailer 3
-
£277 GBP
$371 USD
View
B+
Retailer 4
-
£384 GBP
$515 USD
View
B+
Retailer 5
-
£407 GBP
$545 USD
View
B
Retailer 6
-
£524 GBP
$702 USD
View
B
Retailer 7
-
£547 GBP
$733 USD
View
B
Retailer 8
-
£797 GBP
View
Most Expensive
B
Do Amore Diamonds
27-D934AFE2F · Oct 27
£1,194 GBP
$1,600 USD
View
8 more retailers have this diamond
Prices start from £125 GBPSave up to £1,069 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
1.26ct Emerald
£125 GBP