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Asscher|Lab Grown|IGI

1.00ct E FL Asscher Lab Grown Diamond

ID • E/FL • IGI LG836620506

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG836620506

Diamond specifications and retailer prices

From £237 GBP
$315 USD
As of October 28, 2026
Save £1,351 GBP (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,588 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1ct lab-grown asscher diamond

This 1ct lab-grown asscher 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 LG836620506 or 836620506. Listed at 21 retailers as of October 28, 2026, with prices from £237 to £1,588, a £1,351 spread on the same certified stone. Brilliant Earth lists it at £1,588. 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 angle35.6°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836620506
Dimensions5.58 × 5.58 × 3.56 mm
L/W Ratio1.00
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
5.58 mm5.58 mm1.00 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836620506
Side View
Table 63.0%Crown 35.6°Girdle: Slightly ThickPavilion 38.9°Culet: NoneDepth 63.8%

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: £1,588 GBP|Low: £237 GBP|High: £1,648 GBP|Avg: £754 GBP|-3.7%
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 29, 2026
Retailer 15£237 GBP
Retailer 9£275 GBP
Retailer 12£391 GBP
Retailer 14£427 GBP
Retailer 3£436 GBP
Retailer 10£444 GBP
Retailer 11£453 GBP
Retailer 2£469 GBP
Retailer 13£662 GBP
Retailer 5£766 GBP
Retailer 4£869 GBP
Retailer 7£967 GBP
Retailer 6£1,027 GBP
Retailer 8£1,042 GBP
Brilliant Earth£1,588 GBP

28 data points across 15 retailers

21 retailers£237 GBP to £1,588 GBP

A
Cheapest Retailer
-
£237 GBP
$315 USD
Final sale: no returns
A
Retailer 2
-
£237 GBP
$315 USD
View
Price last confirmed 12 days ago
A
Retailer 3
-
£275 GBP
View
A
Retailer 4
-
£275 GBP
$366 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
£294 GBP
$391 USD
View
Price last confirmed 18 days ago
A
Retailer 6
-
£294 GBP
$391 USD
View
Price last confirmed 13 days ago
A
Retailer 7
-
£391 GBP
$520 USD
View
A
Retailer 8
-
£427 GBP
$568 USD
View
A
Retailer 9
-
£436 GBP
$579 USD
View
A
Retailer 10
-
£444 GBP
ZAR 9,538 ZAR
View
A
Retailer 11
-
£453 GBP
View
A
Retailer 12
-
£469 GBP
€593 EUR
View
B+
Retailer 13
-
£662 GBP
$880 USD
View
B+
Retailer 14
-
£766 GBP
SGD 1,375 SGD
View
B+
Retailer 15
-
£869 GBP
$1,155 USD
View
B+
Retailer 16
-
£945 GBP
$1,256 USD
View
Price last confirmed 12 days ago
B
Retailer 17
-
£967 GBP
$1,285 USD
View
Price last confirmed 14 days ago
B
Retailer 18
-
£967 GBP
$1,285 USD
View
Price last confirmed 18 days ago
B
Retailer 19
-
£1,027 GBP
$1,365 USD
View
B+
Retailer 20
-
£1,042 GBP
View
Most Expensive
B
Brilliant Earth
21589659A · Oct 28
£1,588 GBP
$2,110 USD
View
20 more retailers have this diamond
Prices start from £237 GBPSave up to £1,351 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 Asscher
£237 GBP