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Emerald|Lab Grown|IGI

1.48ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG671406794

Shape and cutting style on the report: Emerald cut

Certificate IGI LG671406794

Diamond specifications and retailer prices

From £657 GBP
$880 USD
As of October 28, 2026
3 retailers carry this diamond
Most expensive: £659 GBP at Rare Carat · As of September 16, 2026
View at Rare Carat

About this 1.48ct lab-grown emerald diamond

This 1.48ct 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 LG671406794 or 671406794. Listed at 3 retailers as of October 28, 2026, with a relatively tight 0% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

1.48
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG671406794
Dimensions10.37 × 7.13 × 4.39 mm
L/W Ratio1.45
Culet sizeLarge
Top View
10.37 mm7.13 mm1.48 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG671406794
Side View
Table 65.0%Crown 35.5°Girdle: MediumPavilion 38.8°Culet: LargeDepth 63.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 28
Current: £657 GBP|Low: £221 GBP|High: £1,194 GBP|Avg: £499 GBP|-2.2%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 18, 2026
Retailer 5£221 GBP
Retailer 3£230 GBP
Retailer 2£341 GBP
Retailer 4£345 GBP
Rare Carat£657 GBP
Retailer 6£1,194 GBP

3 data points across 6 retailers

3 retailers£657 GBP to £657 GBP

B
Cheapest Retailer
-
£657 GBP
$880 USD
B
Retailer 2
-
£657 GBP
$880 USD
View
Most Expensive
Rare Carat
AE-35_l_720543653 · Sep 16
£659 GBP
$883 USD
View
Price last confirmed 44 days ago
2 more retailers have this diamond
Prices start from £657 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.

B
1.48ct Emerald
£657 GBP