Emerald|Lab Grown|IGI

1.28ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG809661469

Shape and cutting style on the report: Emerald cut

Certificate IGI LG809661469

Diamond specifications and retailer prices

From £249 GBP
$332 USD
As of October 30, 2026
Save £1,305 GBP (84%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,554 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG809661469 or 809661469. Listed at 9 retailers as of October 29, 2026, with prices from £249 to £1,554, a £1,305 spread on the same certified stone. Brilliant Earth lists it at £1,554. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809661469
Dimensions7.31 × 5.13 × 3.41 mm
L/W Ratio1.42
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
7.31 mm5.13 mm1.28 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809661469
Side View
Table 58.0%Crown 31.5°Girdle: MediumPavilion 41.2°Culet: LargeDepth 66.5%

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 30
Current: £1,554 GBP|Low: £211 GBP|High: £1,599 GBP|Avg: £668 GBP|-2.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 10£211 GBP
Retailer 8£249 GBP
Retailer 3£311 GBP
Retailer 2£338 GBP
Retailer 6£370 GBP
Retailer 7£633 GBP
Retailer 5£638 GBP
Retailer 4£863 GBP
Retailer 9£1,160 GBP
Brilliant Earth£1,554 GBP

39 data points across 10 retailers

9 retailers£249 GBP to £1,554 GBP

B+
Cheapest Retailer
-
£249 GBP
$332 USD
A
Retailer 2
-
£311 GBP
€394 EUR
View
A
Retailer 3
-
£338 GBP
View
A
Retailer 4
-
£370 GBP
$493 USD
View
B+
Retailer 5
-
£633 GBP
$843 USD
View
B+
Retailer 6
-
£638 GBP
$849 USD
View
B+
Retailer 7
-
£863 GBP
View
Retailer 8
-
£1,160 GBP
$1,545 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
20293772A · Oct 29
£1,554 GBP
$2,070 USD
View
8 more retailers have this diamond
Prices start from £249 GBPSave up to £1,305 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
£249 GBP