Emerald|Lab Grown|IGI

1.50ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG733544925

Shape and cutting style on the report: Emerald cut

Certificate IGI LG733544925

Diamond specifications and retailer prices

From £130 GBP
As of November 6, 2026
Save £918 GBP (88%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,048 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.5ct lab-grown emerald diamond

This 1.5ct lab-grown emerald sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG733544925 or 733544925. Listed at 13 retailers as of November 4, 2026, with prices from £130 to £1,048, a £918 spread on the same certified stone. Brilliant Earth lists it at £1,048. 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

1.50
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31°
Pavilion angle43.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733544925
Dimensions7.75 × 5.38 × 3.71 mm
L/W Ratio1.44
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.75 mm5.38 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733544925
Side View
Table 62.0%Crown 31°Girdle: MED-STKPavilion 43.4°Culet: LargeDepth 69.0%

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: Nov 6
Current: £1,048 GBP|Low: £129 GBP|High: £1,062 GBP|Avg: £442 GBP|-1.4%
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
November 6, 2026
Retailer 13£130 GBP
Retailer 9£151 GBP
Retailer 7£161 GBP
Retailer 4£163 GBP
Retailer 2£286 GBP
Retailer 12£287 GBP
Retailer 3£299 GBP
Retailer 11£354 GBP
Retailer 8£519 GBP
Retailer 10£548 GBP
Retailer 5£650 GBP
Retailer 6£753 GBP
Brilliant Earth£1,048 GBP

45 data points across 13 retailers

13 retailers£130 GBP to £1,048 GBP

A
Cheapest Retailer
-
£130 GBP
A
Retailer 2
-
£151 GBP
View
A
Retailer 3
-
£161 GBP
View
Retailer 4
-
£163 GBP
View
Price last confirmed 12 days ago
A
Retailer 5
-
£286 GBP
View
B+
Retailer 6
-
£287 GBP
View
Retailer 7
-
£299 GBP
View
Price last confirmed 8 days ago
A
Retailer 8
-
£354 GBP
View
B+
Retailer 9
-
£519 GBP
View
B
Retailer 10
-
£548 GBP
View
B
Retailer 11
-
£650 GBP
View
B
Retailer 12
-
£753 GBP
View
Most Expensive
B
Brilliant Earth
16957221A · Nov 4
£1,048 GBP
$1,410 USD
View
12 more retailers have this diamond
Prices start from £130 GBPSave up to £918 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
1.50ct Emerald
£130 GBP