Asscher|Lab Grown|IGI

1.05ct E IF Asscher Lab Grown Diamond

ID • E/IF • IGI LG815677300

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG815677300

Diamond specifications and retailer prices

From £203 GBP
$270 USD
As of October 30, 2026
Save £991 GBP (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,194 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.05ct lab-grown asscher diamond

This 1.05ct lab-grown asscher sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG815677300 or 815677300. Listed at 20 retailers as of October 28, 2026, with prices from £203 to £1,194, a £991 spread on the same certified stone. Brilliant Earth lists it at £1,194. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815677300
Dimensions5.56 × 5.54 × 3.75 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
5.56 mm5.54 mm1.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815677300
Side View
Table 62.0%Crown 38.4°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 67.7%

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 30
Current: £1,194 GBP|Low: £123 GBP|High: £1,239 GBP|Avg: £581 GBP|-3.6%
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 7£123 GBP
Retailer 4£203 GBP
Retailer 8£376 GBP
Retailer 15£380 GBP
Retailer 10£388 GBP
Retailer 2£428 GBP
Retailer 14£462 GBP
Retailer 3£494 GBP
Retailer 11£551 GBP
Retailer 12£728 GBP
Retailer 5£765 GBP
Retailer 13£864 GBP
Retailer 9£910 GBP
Retailer 6£998 GBP
Brilliant Earth£1,194 GBP

36 data points across 15 retailers

20 retailers£203 GBP to £1,194 GBP

Retailer 1
-
£182 GBP
$242 USD
Price last confirmed 21 days ago
A
Retailer 2
-
£203 GBP
$270 USD
View
Final sale: no returns
Retailer 3
-
£211 GBP
$281 USD
View
Price last confirmed 35 days ago
Retailer 4
-
£223 GBP
$297 USD
View
Price last confirmed 35 days ago
Retailer 5
-
£226 GBP
$301 USD
View
Price last confirmed 27 days ago
Retailer 6
-
£226 GBP
$301 USD
View
Price last confirmed 18 days ago
A
Retailer 7
-
£376 GBP
€477 EUR
View
A
Retailer 8
-
£380 GBP
$506 USD
View
A
Retailer 9
-
£388 GBP
ZAR 8,346 ZAR
View
A
Retailer 10
-
£428 GBP
View
A
Retailer 11
-
£462 GBP
$615 USD
View
A
Retailer 12
-
£494 GBP
$658 USD
View
B+
Retailer 13
-
£551 GBP
A$1,128 AUD
View
Retailer 14
-
£726 GBP
$967 USD
View
Price last confirmed 29 days ago
B+
Retailer 15
-
£728 GBP
$970 USD
View
B+
Retailer 16
-
£765 GBP
$1,019 USD
View
B+
Retailer 17
-
£864 GBP
$1,150 USD
View
B
Retailer 18
-
£910 GBP
View
B
Retailer 19
-
£998 GBP
$1,329 USD
View
Most Expensive
B
Brilliant Earth
21017382A · Oct 28
£1,194 GBP
$1,590 USD
View
19 more retailers have this diamond
Prices start from £203 GBPSave up to £991 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
1.05ct Asscher
£203 GBP