Emerald|Lab Grown|IGI

1.21ct E FL Emerald Lab Grown Diamond

ID • E/FL • IGI LG840632400

Shape and cutting style on the report: Emerald cut

Certificate IGI LG840632400

Diamond specifications and retailer prices

From £195 GBP
$260 USD
As of October 30, 2026
Save £1,720 GBP (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,915 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.21ct lab-grown emerald diamond

This 1.21ct lab-grown emerald sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840632400 or 840632400. Listed at 21 retailers as of October 29, 2026, with prices from £195 to £1,915, a £1,720 spread on the same certified stone. Brilliant Earth lists it at £1,915. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840632400
Dimensions7.22 × 5.16 × 3.27 mm
L/W Ratio1.40
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
7.22 mm5.16 mm1.21 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840632400
Side View
Table 64.0%Crown 32.7°Girdle: MediumPavilion 38°Culet: LargeDepth 63.4%

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 30
Current: £1,915 GBP|Low: £195 GBP|High: £1,915 GBP|Avg: £693 GBP
Brilliant Earth
Retailer 2
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October 29, 2026
Retailer 9£195 GBP
Retailer 5£219 GBP
Retailer 4£227 GBP
Retailer 18£243 GBP
Retailer 19£243 GBP
Retailer 16£375 GBP
Retailer 8£403 GBP
Retailer 15£416 GBP
Retailer 6£430 GBP
Retailer 13£435 GBP
Retailer 2£462 GBP
Retailer 3£593 GBP
Retailer 17£744 GBP
Retailer 21£779 GBP
Retailer 7£817 GBP
Retailer 12£856 GBP
Retailer 14£945 GBP
Retailer 20£972 GBP
Retailer 10£1,186 GBP
Retailer 11£1,662 GBP
Brilliant Earth£1,915 GBP

17 data points across 21 retailers

21 retailers£195 GBP to £1,915 GBP

A
Cheapest Retailer
-
£195 GBP
$260 USD
A
Retailer 2
-
£219 GBP
$291 USD
View
Final sale: no returns
A
Retailer 3
-
£227 GBP
$302 USD
View
A
Retailer 4
-
£243 GBP
$323 USD
View
A
Retailer 5
-
£243 GBP
$323 USD
View
A
Retailer 6
-
£375 GBP
$500 USD
View
A
Retailer 7
-
£403 GBP
$537 USD
View
A
Retailer 8
-
£416 GBP
ZAR 8,955 ZAR
View
A
Retailer 9
-
£430 GBP
$573 USD
View
A
Retailer 10
-
£435 GBP
€552 EUR
View
A
Retailer 11
-
£462 GBP
View
B+
Retailer 12
-
£593 GBP
$790 USD
View
B+
Retailer 13
-
£744 GBP
$991 USD
View
B+
Retailer 14
-
£779 GBP
$1,037 USD
View
B+
Retailer 15
-
£817 GBP
$1,088 USD
View
B+
Retailer 16
-
£856 GBP
SGD 1,540 SGD
View
B
Retailer 17
-
£945 GBP
$1,259 USD
View
B+
Retailer 18
-
£972 GBP
View
B
Retailer 19
-
£1,186 GBP
$1,580 USD
View
B
Retailer 20
-
£1,662 GBP
$2,213 USD
View
Most Expensive
B
Brilliant Earth
21826961A · Oct 29
£1,915 GBP
$2,550 USD
View
20 more retailers have this diamond
Prices start from £195 GBPSave up to £1,720 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
1.21ct Emerald
£195 GBP