CaratHunter
Plans
Emerald|Lab Grown|IGI

1.54ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG602350883

Shape and cutting style on the report: Emerald cut

Certificate IGI LG602350883

Diamond specifications and retailer prices

From £142 GBP
As of November 4, 2026
Save £735 GBP (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £877 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG602350883 or 602350883. Listed at 13 retailers as of November 4, 2026, with prices from £142 to £877, a £735 spread on the same certified stone. Brilliant Earth lists it at £877. 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

1.54
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG602350883
Dimensions7.96 × 5.46 × 3.58 mm
L/W Ratio1.46
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
7.96 mm5.46 mm1.54 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG602350883
Side View
Table 65.0%Crown 37.4°Girdle: MED-STKPavilion 39.9°Culet: LNGDepth 65.6%

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: £877 GBP|Low: £118 GBP|High: £921 GBP|Avg: £382 GBP|-4.8%
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
Retailer 14
November 5, 2026
Retailer 6£137 GBP
Retailer 14£142 GBP
Retailer 9£165 GBP
Retailer 11£176 GBP
Retailer 12£176 GBP
Retailer 8£277 GBP
Retailer 3£308 GBP
Retailer 2£317 GBP
Retailer 4£424 GBP
Retailer 13£566 GBP
Retailer 10£568 GBP
Retailer 5£700 GBP
Retailer 7£820 GBP
Brilliant Earth£877 GBP

40 data points across 14 retailers

13 retailers£142 GBP to £877 GBP

A
Cheapest Retailer
-
£142 GBP
A
Retailer 2
-
£165 GBP
View
Retailer 3
-
£176 GBP
View
Price last confirmed 12 days ago
A
Retailer 4
-
£176 GBP
View
Retailer 5
-
£277 GBP
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£308 GBP
View
B+
Retailer 7
-
£317 GBP
View
B+
Retailer 8
-
£424 GBP
View
B+
Retailer 9
-
£566 GBP
View
B
Retailer 10
-
£568 GBP
View
B
Retailer 11
-
£700 GBP
View
B
Retailer 12
-
£820 GBP
View
Most Expensive
B
Brilliant Earth
8375219A · Nov 4
£877 GBP
$1,180 USD
View
12 more retailers have this diamond
Prices start from £142 GBPSave up to £735 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
£142 GBP