Emerald|Lab Grown|IGI

1.54ct F IF Emerald Lab Grown Diamond

ID • F/IF • IGI LG700589173

Shape and cutting style on the report: Emerald cut

Certificate IGI LG700589173

Diamond specifications and retailer prices

From £289 GBP
As of November 4, 2026
Save £1,970 GBP (87%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £2,259 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.54ct lab-grown emerald diamond

This 1.54ct lab-grown emerald sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG700589173 or 700589173. Listed at 9 retailers as of November 4, 2026, with prices from £289 to £2,259, a £1,970 spread on the same certified stone. Brilliant Earth lists it at £2,259. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700589173
Dimensions7.67 × 5.39 × 3.66 mm
L/W Ratio1.42
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.67 mm5.39 mm1.54 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700589173
Side View
Table 67.0%Crown 34.2°Girdle: MediumPavilion 39.2°Culet: LargeDepth 67.9%

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 4
Current: £2,259 GBP|Low: £289 GBP|High: £2,326 GBP|Avg: £778 GBP|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 9£289 GBP
Retailer 6£384 GBP
Retailer 10£397 GBP
Retailer 4£427 GBP
Retailer 2£435 GBP
Retailer 5£758 GBP
Retailer 7£779 GBP
Retailer 3£921 GBP
Retailer 8£927 GBP
Brilliant Earth£2,259 GBP

26 data points across 10 retailers

9 retailers£289 GBP to £2,259 GBP

B+
Cheapest Retailer
-
£289 GBP
Retailer 2
-
£384 GBP
View
Price last confirmed 9 days ago
A
Retailer 3
-
£427 GBP
View
A
Retailer 4
-
£435 GBP
View
B+
Retailer 5
-
£758 GBP
View
B+
Retailer 6
-
£779 GBP
View
B+
Retailer 7
-
£921 GBP
View
Retailer 8
-
£927 GBP
View
Price last confirmed 28 days ago
Most Expensive
B
Brilliant Earth
17149480A · Nov 4
£2,259 GBP
$3,050 USD
View
8 more retailers have this diamond
Prices start from £289 GBPSave up to £1,970 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
1.54ct Emerald
£289 GBP