Emerald|Lab Grown|IGI

1.28ct E FL Emerald Lab Grown Diamond

ID • E/FL • IGI LG804668335

Shape and cutting style on the report: Emerald cut

Certificate IGI LG804668335

Diamond specifications and retailer prices

From £231 GBP
$307 USD
As of October 28, 2026
Save £1,797 GBP (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £2,028 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.28ct lab-grown emerald diamond

This 1.28ct 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 LG804668335 or 804668335. Listed at 21 retailers as of October 28, 2026, with prices from £231 to £2,028, a £1,797 spread on the same certified stone. Brilliant Earth lists it at £2,028. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804668335
Dimensions7.52 × 4.98 × 3.43 mm
L/W Ratio1.51
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
7.52 mm4.98 mm1.28 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804668335
Side View
Table 62.0%Crown 34°Girdle: ThickPavilion 41.1°Culet: LargeDepth 68.9%

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 28
Current: £2,028 GBP|Low: £210 GBP|High: £2,028 GBP|Avg: £678 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 19
October 29, 2026
Retailer 15£231 GBP
Retailer 10£250 GBP
Retailer 9£323 GBP
Retailer 11£323 GBP
Retailer 14£368 GBP
Retailer 4£390 GBP
Retailer 13£400 GBP
Retailer 19£424 GBP
Retailer 2£442 GBP
Retailer 12£457 GBP
Retailer 18£652 GBP
Retailer 16£716 GBP
Retailer 3£788 GBP
Retailer 8£895 GBP
Retailer 17£935 GBP
Retailer 6£1,000 GBP
Retailer 7£1,019 GBP
Retailer 5£1,258 GBP
Brilliant Earth£2,028 GBP

40 data points across 19 retailers

21 retailers£231 GBP to £2,028 GBP

A
Cheapest Retailer
-
£231 GBP
$307 USD
Final sale: no returns
A
Retailer 2
-
£250 GBP
$333 USD
View
Price last confirmed 27 days ago
A
Retailer 3
-
£302 GBP
$402 USD
View
Price last confirmed 36 days ago
A
Retailer 4
-
£323 GBP
$430 USD
View
Price last confirmed 26 days ago
A
Retailer 5
-
£368 GBP
$490 USD
View
A
Retailer 6
-
£390 GBP
$519 USD
View
A
Retailer 7
-
£400 GBP
ZAR 8,613 ZAR
View
A
Retailer 8
-
£424 GBP
$565 USD
View
A
Retailer 9
-
£442 GBP
View
A
Retailer 10
-
£457 GBP
€580 EUR
View
B+
Retailer 11
-
£652 GBP
$868 USD
View
B+
Retailer 12
-
£716 GBP
$953 USD
View
B+
Retailer 13
-
£735 GBP
$979 USD
View
Price last confirmed 24 days ago
B+
Retailer 14
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£788 GBP
$1,049 USD
View
B
Retailer 15
-
£895 GBP
SGD 1,611 SGD
View
B
Retailer 16
-
£935 GBP
View
B
Retailer 17
-
£1,000 GBP
$1,332 USD
View
B+
Retailer 18
-
£1,019 GBP
View
Price last confirmed 8 days ago
B
Retailer 19
-
£1,038 GBP
$1,382 USD
View
Price last confirmed 29 days ago
B
Retailer 20
-
£1,258 GBP
$1,675 USD
View
Most Expensive
B
Brilliant Earth
21420352A · Oct 29
£2,028 GBP
$2,700 USD
View
20 more retailers have this diamond
Prices start from £231 GBPSave up to £1,797 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
1.28ct Emerald
£231 GBP