Emerald|Lab Grown|IGI

1.58ct E IF Emerald Lab Grown Diamond

EX • E/IF • IGI LG684509107

Shape and cutting style on the report: Emerald cut

Certificate IGI LG684509107

Diamond specifications and retailer prices

From £214 GBP
$287 USD
As of October 30, 2026
Save £784 GBP (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,694 GBP at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.58ct lab-grown emerald diamond

This 1.58ct 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 LG684509107 or 684509107. Listed at 10 retailers as of October 29, 2026, with a 366% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.58
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG684509107
Dimensions7.81 × 5.53 × 3.76 mm
L/W Ratio1.41
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.81 mm5.53 mm1.58 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG684509107
Side View
Table 65.0%Crown 33.5°Girdle: MediumPavilion 41.1°Culet: LargeDepth 68.0%

Caratlytics Score

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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 30
Current: £2,694 GBP|Low: £192 GBP|High: £2,694 GBP|Avg: £726 GBP
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
October 30, 2026
Retailer 8£214 GBP
Retailer 6£240 GBP
Retailer 13£248 GBP
Retailer 2£437 GBP
Retailer 4£468 GBP
Retailer 11£576 GBP
Retailer 12£796 GBP
Retailer 9£898 GBP
Retailer 7£987 GBP
Retailer 10£998 GBP
Retailer 3£1,022 GBP
Retailer 5£1,058 GBP
Brilliant Earth£2,694 GBP

16 data points across 13 retailers

10 retailers£214 GBP to £998 GBP

A
Cheapest Retailer
-
£214 GBP
$287 USD
A
Retailer 2
-
£240 GBP
$321 USD
View
Final sale: no returns
A
Retailer 3
-
£248 GBP
$332 USD
View
A
Retailer 4
-
£437 GBP
$586 USD
View
A
Retailer 5
-
£576 GBP
A$1,187 AUD
View
B+
Retailer 6
-
£796 GBP
$1,067 USD
View
B+
Retailer 7
-
£898 GBP
$1,203 USD
View
B+
Retailer 8
-
£987 GBP
A$2,035 AUD
View
B+
Retailer 9
-
£998 GBP
View
Most Expensive
Brilliant Earth
21605510A · Oct 16
£2,694 GBP
$3,610 USD
View
Price last confirmed 14 days ago
9 more retailers have this diamond
Prices start from £214 GBPSave up to £784 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
1.58ct Emerald
£214 GBP