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Asscher|Lab Grown|IGI

1.09ct E IF Asscher Lab Grown Diamond

ID • E/IF • IGI LG620431816

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG620431816

Diamond specifications and retailer prices

From £209 GBP
$278 USD
As of October 28, 2026
Save £1,496 GBP (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,705 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.09ct lab-grown asscher diamond

This 1.09ct 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 LG620431816 or 620431816. Listed at 19 retailers as of October 28, 2026, with prices from £209 to £1,705, a £1,496 spread on the same certified stone. Do Amore Diamonds lists it at £1,705. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620431816
Dimensions5.64 × 5.63 × 3.86 mm
L/W Ratio1.00
Culet sizePointed
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
5.64 mm5.63 mm1.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620431816
Side View
Table 63.0%Crown 34.7°Girdle: MediumPavilion 41.3°Culet: NoneDepth 68.6%

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 28
Current: £466 GBP|Low: £199 GBP|High: £1,217 GBP|Avg: £571 GBP|+4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 10£209 GBP
Retailer 12£345 GBP
Retailer 3£396 GBP
Retailer 5£404 GBP
Retailer 8£418 GBP
Retailer 1£466 GBP
Retailer 4£540 GBP
Retailer 7£593 GBP
Retailer 9£671 GBP
Retailer 11£871 GBP
Retailer 6£981 GBP
Retailer 2£1,217 GBP

43 data points across 12 retailers

19 retailers£209 GBP to £1,705 GBP

A
Cheapest Retailer
-
£209 GBP
$278 USD
Final sale: no returns
A
Retailer 2
-
£336 GBP
HK$3,500 HKD
View
A
Retailer 3
-
£345 GBP
$460 USD
View
A
Retailer 4
-
£382 GBP
$509 USD
View
A
Retailer 5
-
£396 GBP
$528 USD
View
A
Retailer 6
-
£404 GBP
€513 EUR
View
A
Retailer 7
-
£418 GBP
ZAR 9,000 ZAR
View
A
Retailer 8
-
£466 GBP
View
A
Retailer 9
-
£540 GBP
$719 USD
View
B+
Retailer 10
-
£593 GBP
A$1,214 AUD
View
B+
Retailer 11
-
£671 GBP
A$1,375 AUD
View
B+
Retailer 12
-
£815 GBP
SGD 1,467 SGD
View
B+
Retailer 13
-
£871 GBP
$1,160 USD
View
B+
Retailer 14
-
£910 GBP
$1,211 USD
View
B+
Retailer 15
-
£981 GBP
View
B
Retailer 16
-
£984 GBP
$1,310 USD
View
B
Retailer 17
-
£1,094 GBP
View
B
Retailer 18
-
£1,217 GBP
$1,620 USD
View
Most Expensive
B
Do Amore Diamonds
27-70ADD417F · Oct 29
£1,705 GBP
$2,270 USD
View
18 more retailers have this diamond
Prices start from £209 GBPSave up to £1,496 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
1.09ct Asscher
£209 GBP