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Emerald|Lab Grown|IGI

1.58ct F IF Emerald Lab Grown Diamond

ID • F/IF • IGI LG728538626

Shape and cutting style on the report: Emerald cut

Certificate IGI LG728538626

Diamond specifications and retailer prices

From £173 GBP
As of November 4, 2026
Save £734 GBP (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £908 GBP at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG728538626 or 728538626. Listed at 18 retailers as of November 4, 2026, with prices from £173 to £908, a £734 spread on the same certified stone. Reve Diamonds lists it at £908. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.58
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.9°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728538626
Dimensions7.98 × 5.40 × 3.62 mm
L/W Ratio1.48
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
7.98 mm5.40 mm1.58 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728538626
Side View
Table 65.0%Crown 40.9°Girdle: ThickPavilion 38.6°Culet: LargeDepth 67.0%

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: Nov 4
Current: £352 GBP|Low: £150 GBP|High: £908 GBP|Avg: £407 GBP|+3.5%
Retailer 1
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
Reve Diamonds
November 4, 2026
Retailer 14£150 GBP
Retailer 3£173 GBP
Retailer 5£180 GBP
Retailer 10£193 GBP
Retailer 13£193 GBP
Retailer 12£268 GBP
Retailer 8£333 GBP
Retailer 1£352 GBP
Retailer 6£384 GBP
Retailer 7£449 GBP
Retailer 4£620 GBP
Retailer 11£622 GBP
Retailer 9£772 GBP
Retailer 2£785 GBP
Reve Diamonds£908 GBP

45 data points across 15 retailers

18 retailers£173 GBP to £908 GBP

Retailer 1
-
£150 GBP
Price last confirmed 34 days ago
A
Retailer 2
-
£173 GBP
View
Final sale: no returns
Retailer 3
-
£180 GBP
View
Price last confirmed 30 days ago
Retailer 4
-
£193 GBP
View
Price last confirmed 28 days ago
Retailer 5
-
£193 GBP
View
Price last confirmed 33 days ago
Retailer 6
-
£193 GBP
View
Price last confirmed 11 days ago
B+
Retailer 7
-
£268 GBP
View
A
Retailer 8
-
£333 GBP
View
A
Retailer 9
-
£352 GBP
View
A
Retailer 10
-
£384 GBP
View
A
Retailer 11
-
£449 GBP
View
Retailer 12
-
£620 GBP
View
Price last confirmed 29 days ago
B+
Retailer 13
-
£622 GBP
View
B+
Retailer 14
-
£659 GBP
View
B+
Retailer 15
-
£772 GBP
View
B+
Retailer 16
-
£784 GBP
View
B+
Retailer 17
-
£785 GBP
View
Most Expensive
B
Reve Diamonds
98294BF26 · Nov 4
£908 GBP
$1,225 USD
View
17 more retailers have this diamond
Prices start from £173 GBPSave up to £734 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
£173 GBP