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Emerald|Lab Grown|IGI

1.43ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG726508230

Shape and cutting style on the report: Emerald cut

Certificate IGI LG726508230

Diamond specifications and retailer prices

From £186 GBP
$249 USD
As of October 30, 2026
Save £759 GBP (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £945 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.43ct lab-grown emerald diamond

This 1.43ct lab-grown emerald sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG726508230 or 726508230. Listed at 17 retailers as of October 30, 2026, with prices from £186 to £945, a £759 spread on the same certified stone. Reve Diamonds lists it at £945. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.43
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG726508230
Dimensions5.27 × 5.27 × 3.54 mm
L/W Ratio1.00
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
5.27 mm5.27 mm1.43 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG726508230
Side View
Table 62.0%Crown 37.8°Girdle: ThickPavilion 38.6°Culet: LargeDepth 67.2%

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: £384 GBP|Low: £160 GBP|High: £945 GBP|Avg: £438 GBP|+4.6%
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
October 30, 2026
Retailer 14£160 GBP
Retailer 2£186 GBP
Retailer 4£193 GBP
Retailer 10£206 GBP
Retailer 13£206 GBP
Retailer 12£285 GBP
Retailer 7£354 GBP
Retailer 1£384 GBP
Retailer 5£393 GBP
Retailer 8£503 GBP
Retailer 3£663 GBP
Retailer 11£665 GBP
Retailer 6£782 GBP
Retailer 9£827 GBP
Reve Diamonds£945 GBP

45 data points across 15 retailers

17 retailers£186 GBP to £945 GBP

Retailer 1
-
£160 GBP
$214 USD
Price last confirmed 28 days ago
A
Retailer 2
-
£186 GBP
$249 USD
View
Final sale: no returns
Retailer 3
-
£193 GBP
$258 USD
View
Price last confirmed 24 days ago
Retailer 4
-
£206 GBP
$276 USD
View
Price last confirmed 27 days ago
Retailer 5
-
£206 GBP
$276 USD
View
Price last confirmed 22 days ago
A
Retailer 6
-
£206 GBP
$276 USD
View
B+
Retailer 7
-
£285 GBP
$382 USD
View
A
Retailer 8
-
£354 GBP
ZAR 7,666 ZAR
View
A
Retailer 9
-
£384 GBP
View
A
Retailer 10
-
£393 GBP
$526 USD
View
A
Retailer 11
-
£503 GBP
A$1,037 AUD
View
Retailer 12
-
£663 GBP
$888 USD
View
Price last confirmed 23 days ago
B+
Retailer 13
-
£665 GBP
$891 USD
View
B+
Retailer 14
-
£702 GBP
$941 USD
View
B+
Retailer 15
-
£782 GBP
$1,048 USD
View
B+
Retailer 16
-
£827 GBP
View
Most Expensive
B
Reve Diamonds
158EFDFBA · Oct 30
£945 GBP
$1,266 USD
View
16 more retailers have this diamond
Prices start from £186 GBPSave up to £759 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
1.43ct Emerald
£186 GBP