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Emerald|Lab Grown|IGI

1.55ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG729508350

Shape and cutting style on the report: Emerald cut

Certificate IGI LG729508350

Diamond specifications and retailer prices

From £185 GBP
$246 USD
As of October 27, 2026
Save £2,128 GBP (92%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,313 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.55ct lab-grown emerald diamond

This 1.55ct lab-grown emerald sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG729508350 or 729508350. Listed at 14 retailers as of October 27, 2026, with prices from £185 to £2,313, a £2,128 spread on the same certified stone. Brilliant Earth lists it at £2,313. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729508350
Dimensions7.92 × 5.49 × 3.63 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
7.92 mm5.49 mm1.55 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729508350
Side View
Table 58.0%Crown 32.8°Girdle: MediumPavilion 39.7°Culet: LargeDepth 66.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: £2,313 GBP|Low: £161 GBP|High: £2,741 GBP|Avg: £910 GBP|-15.6%
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
Retailer 15
Retailer 16
Retailer 17
October 29, 2026
Retailer 17£214 GBP
Retailer 4£226 GBP
Retailer 16£385 GBP
Retailer 14£418 GBP
Retailer 6£488 GBP
Retailer 7£520 GBP
Retailer 10£588 GBP
Retailer 13£646 GBP
Retailer 3£680 GBP
Retailer 11£760 GBP
Retailer 2£1,018 GBP
Retailer 9£1,027 GBP
Retailer 8£1,096 GBP
Retailer 5£1,110 GBP
Retailer 12£1,607 GBP
Retailer 15£1,772 GBP
Brilliant Earth£2,313 GBP

28 data points across 17 retailers

14 retailers£185 GBP to £2,313 GBP

A
Cheapest Retailer
-
£185 GBP
$246 USD
A
Retailer 2
-
£214 GBP
$285 USD
View
A
Retailer 3
-
£226 GBP
$301 USD
View
Final sale: no returns
A
Retailer 4
-
£385 GBP
$513 USD
View
A
Retailer 5
-
£418 GBP
$556 USD
View
A
Retailer 6
-
£588 GBP
A$1,204 AUD
View
A
Retailer 7
-
£646 GBP
$860 USD
View
A
Retailer 8
-
£760 GBP
$1,012 USD
View
B+
Retailer 9
-
£786 GBP
$1,047 USD
View
Price last confirmed 43 days ago
B+
Retailer 10
-
£813 GBP
$1,082 USD
View
B+
Retailer 11
-
£1,018 GBP
View
B
Retailer 12
-
£1,607 GBP
$2,140 USD
View
Price last confirmed 11 days ago
B
Retailer 13
-
£1,772 GBP
$2,360 USD
View
Most Expensive
B
Brilliant Earth
21405886Y · Oct 29
£2,313 GBP
$3,080 USD
View
13 more retailers have this diamond
Prices start from £185 GBPSave up to £2,128 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
1.55ct Emerald
£185 GBP