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Emerald|Lab Grown|IGI

1.37ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG754507987

Shape and cutting style on the report: Emerald cut

Certificate IGI LG754507987

Diamond specifications and retailer prices

From £302 GBP
$405 USD
As of October 30, 2026
Save £1,154 GBP (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,456 GBP at Blue Nile · As of October 29, 2026
View at Blue Nile

About this 1.37ct lab-grown emerald diamond

This 1.37ct lab-grown emerald sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754507987 or 754507987. Listed at 14 retailers as of October 29, 2026, with prices from £302 to £1,456, a £1,154 spread on the same certified stone. Blue Nile lists it at £1,456. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.37
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754507987
Dimensions7.72 × 5.16 × 3.37 mm
L/W Ratio1.50
Culet sizeLarge
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.72 mm5.16 mm1.37 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754507987
Side View
Table 63.0%Crown 34.9°Girdle: MediumPavilion 38.8°Culet: LargeDepth 65.3%

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: £1,456 GBP|Low: £249 GBP|High: £1,754 GBP|Avg: £783 GBP
Blue Nile
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 10£302 GBP
Retailer 7£361 GBP
Retailer 12£381 GBP
Retailer 2£404 GBP
Retailer 4£468 GBP
Retailer 3£567 GBP
Retailer 6£806 GBP
Retailer 8£860 GBP
Retailer 11£876 GBP
Retailer 9£1,269 GBP
Retailer 5£1,455 GBP
Blue Nile£1,456 GBP

44 data points across 12 retailers

14 retailers£302 GBP to £1,456 GBP

B+
Cheapest Retailer
-
£302 GBP
$405 USD
A
Retailer 2
-
£306 GBP
HK$3,200 HKD
View
A
Retailer 3
-
£361 GBP
€461 EUR
View
A
Retailer 4
-
£381 GBP
$510 USD
View
A
Retailer 5
-
£404 GBP
View
A
Retailer 6
-
£468 GBP
$627 USD
View
B+
Retailer 7
-
£567 GBP
$760 USD
View
B+
Retailer 8
-
£806 GBP
A$1,661 AUD
View
B+
Retailer 9
-
£817 GBP
$1,094 USD
View
B+
Retailer 10
-
£860 GBP
View
B+
Retailer 11
-
£876 GBP
SGD 1,587 SGD
View
B
Retailer 12
-
£1,269 GBP
$1,700 USD
View
B
Retailer 13
-
£1,455 GBP
$1,950 USD
View
Most Expensive
B
Blue Nile
28930251 · Oct 29
£1,456 GBP
$1,951 USD
View
13 more retailers have this diamond
Prices start from £302 GBPSave up to £1,154 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
1.37ct Emerald
£302 GBP