Emerald|Lab Grown|IGI

1.23ct E FL Emerald Lab Grown Diamond

ID • E/FL • IGI LG816625264

Shape and cutting style on the report: Emerald cut

Certificate IGI LG816625264

Diamond specifications and retailer prices

From £354 GBP
$471 USD
As of October 28, 2026
Save £1,576 GBP (82%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,930 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.23ct lab-grown emerald diamond

This 1.23ct 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 LG816625264 or 816625264. Listed at 7 retailers as of October 28, 2026, with prices from £354 to £1,930, a £1,576 spread on the same certified stone. Brilliant Earth lists it at £1,930. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816625264
Dimensions7.11 × 5.23 × 3.43 mm
L/W Ratio1.36
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
7.11 mm5.23 mm1.23 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816625264
Side View
Table 68.0%Crown 34.9°Girdle: MediumPavilion 40.3°Culet: LargeDepth 65.6%

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 28
Current: £1,930 GBP|Low: £200 GBP|High: £1,930 GBP|Avg: £814 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
Retailer 14
October 29, 2026
Retailer 4£200 GBP
Retailer 10£354 GBP
Retailer 14£473 GBP
Retailer 13£515 GBP
Retailer 6£522 GBP
Retailer 12£541 GBP
Retailer 3£629 GBP
Retailer 8£668 GBP
Retailer 11£702 GBP
Retailer 2£920 GBP
Retailer 5£1,034 GBP
Retailer 7£1,198 GBP
Retailer 9£1,599 GBP
Brilliant Earth£1,930 GBP

9 data points across 14 retailers

7 retailers£354 GBP to £1,930 GBP

A
Cheapest Retailer
-
£354 GBP
$471 USD
B+
Retailer 2
-
£668 GBP
$889 USD
View
B+
Retailer 3
-
£702 GBP
$935 USD
View
B+
Retailer 4
-
£920 GBP
View
B
Retailer 5
-
£1,198 GBP
$1,595 USD
View
B
Retailer 6
-
£1,599 GBP
$2,130 USD
View
Most Expensive
B
Brilliant Earth
21730766Y · Oct 29
£1,930 GBP
$2,570 USD
View
6 more retailers have this diamond
Prices start from £354 GBPSave up to £1,576 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
1.23ct Emerald
£354 GBP