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Emerald|Lab Grown|IGI

1.31ct E FL Emerald Lab Grown Diamond

ID • E/FL • IGI LG840622477

Shape and cutting style on the report: Emerald cut

Certificate IGI LG840622477

Diamond specifications and retailer prices

From £210 GBP
$279 USD
As of October 27, 2026
Save £1,788 GBP (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,997 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.31ct lab-grown emerald diamond

This 1.31ct lab-grown emerald sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840622477 or 840622477. Listed at 21 retailers as of October 27, 2026, with prices from £210 to £1,997, a £1,788 spread on the same certified stone. Rare Carat lists it at £1,997. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.6°
Pavilion angle43.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840622477
Dimensions7.09 × 5.12 × 3.53 mm
L/W Ratio1.38
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
7.09 mm5.12 mm1.31 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840622477
Side View
Table 71.0%Crown 42.6°Girdle: MediumPavilion 43.3°Culet: LargeDepth 68.9%

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: Oct 27
Current: £1,997 GBP|Low: £210 GBP|High: £1,997 GBP|Avg: £751 GBP
Rare Carat
Retailer 2
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Retailer 21
October 29, 2026
Retailer 9£210 GBP
Retailer 19£236 GBP
Retailer 5£243 GBP
Retailer 20£260 GBP
Retailer 21£260 GBP
Retailer 17£406 GBP
Retailer 10£429 GBP
Retailer 16£447 GBP
Retailer 7£450 GBP
Retailer 2£457 GBP
Retailer 13£466 GBP
Retailer 4£687 GBP
Retailer 11£767 GBP
Retailer 18£799 GBP
Retailer 3£837 GBP
Retailer 6£874 GBP
Retailer 14£917 GBP
Retailer 15£1,048 GBP
Retailer 12£1,779 GBP
Retailer 8£1,870 GBP
Rare Carat£1,997 GBP

15 data points across 21 retailers

21 retailers£210 GBP to £1,997 GBP

A
Cheapest Retailer
-
£210 GBP
$279 USD
A
Retailer 2
-
£236 GBP
$314 USD
View
Final sale: no returns
A
Retailer 3
-
£243 GBP
$324 USD
View
A
Retailer 4
-
£260 GBP
$346 USD
View
A
Retailer 5
-
£260 GBP
$346 USD
View
A
Retailer 6
-
£406 GBP
$540 USD
View
A
Retailer 7
-
£429 GBP
$571 USD
View
A
Retailer 8
-
£447 GBP
ZAR 9,615 ZAR
View
A
Retailer 9
-
£450 GBP
$599 USD
View
A
Retailer 10
-
£457 GBP
View
A
Retailer 11
-
£466 GBP
€591 EUR
View
B+
Retailer 12
-
£687 GBP
$915 USD
View
B+
Retailer 13
-
£767 GBP
$1,022 USD
View
B+
Retailer 14
-
£799 GBP
$1,064 USD
View
B+
Retailer 15
-
£837 GBP
$1,114 USD
View
B+
Retailer 16
-
£874 GBP
$1,164 USD
View
B
Retailer 17
-
£917 GBP
SGD 1,650 SGD
View
B+
Retailer 18
-
£1,048 GBP
View
B
Retailer 19
-
£1,779 GBP
$2,369 USD
View
B
Retailer 20
-
£1,870 GBP
$2,490 USD
View
Most Expensive
B
Rare Carat
JH-254600 · Oct 28
£1,997 GBP
$2,660 USD
View
20 more retailers have this diamond
Prices start from £210 GBPSave up to £1,788 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
1.31ct Emerald
£210 GBP