Emerald|Lab Grown|IGI

1.00ct E FL Emerald Lab Grown Diamond

ID • E/FL • IGI LG818659302

Shape and cutting style on the report: Emerald cut

Certificate IGI LG818659302

Diamond specifications and retailer prices

From £175 GBP
$234 USD
As of October 30, 2026
Save £1,228 GBP (88%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,403 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1ct lab-grown emerald diamond

This 1ct 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 LG818659302 or 818659302. Listed at 17 retailers as of October 30, 2026, with prices from £175 to £1,403, a £1,228 spread on the same certified stone. Brilliant Earth lists it at £1,403. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.1°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818659302
Dimensions6.96 × 4.70 × 3.14 mm
L/W Ratio1.48
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
6.96 mm4.70 mm1.00 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818659302
Side View
Table 65.0%Crown 31.1°Girdle: MED-STKPavilion 42.1°Culet: LargeDepth 66.8%

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: £1,403 GBP|Low: £175 GBP|High: £1,627 GBP|Avg: £569 GBP|-13.8%
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
Retailer 15
October 30, 2026
Retailer 3£175 GBP
Retailer 6£257 GBP
Retailer 8£328 GBP
Retailer 10£333 GBP
Retailer 4£333 GBP
Retailer 2£357 GBP
Retailer 7£388 GBP
Retailer 13£414 GBP
Retailer 5£524 GBP
Retailer 12£625 GBP
Retailer 14£661 GBP
Retailer 15£662 GBP
Retailer 9£772 GBP
Retailer 11£777 GBP
Brilliant Earth£1,403 GBP

42 data points across 15 retailers

17 retailers£175 GBP to £1,403 GBP

A
Cheapest Retailer
-
£175 GBP
$234 USD
Final sale: no returns
Retailer 2
-
£199 GBP
$266 USD
View
Price last confirmed 29 days ago
Retailer 3
-
£240 GBP
$321 USD
View
Price last confirmed 37 days ago
Retailer 4
-
£257 GBP
$344 USD
View
Price last confirmed 28 days ago
A
Retailer 5
-
£328 GBP
€418 EUR
View
A
Retailer 6
-
£333 GBP
ZAR 7,199 ZAR
View
A
Retailer 7
-
£333 GBP
$446 USD
View
A
Retailer 8
-
£357 GBP
View
B+
Retailer 9
-
£414 GBP
$555 USD
View
B+
Retailer 10
-
£524 GBP
SGD 949 SGD
View
B+
Retailer 11
-
£625 GBP
$837 USD
View
B+
Retailer 12
-
£661 GBP
$886 USD
View
B+
Retailer 13
-
£662 GBP
$887 USD
View
B+
Retailer 14
-
£772 GBP
$1,035 USD
View
B+
Retailer 15
-
£777 GBP
View
Retailer 16
-
£825 GBP
$1,105 USD
View
Price last confirmed 30 days ago
Most Expensive
B
Brilliant Earth
21421169A · Oct 30
£1,403 GBP
$1,880 USD
View
16 more retailers have this diamond
Prices start from £175 GBPSave up to £1,228 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
1.00ct Emerald
£175 GBP