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Asscher|Lab Grown|IGI

1.04ct D FL Asscher Lab Grown Diamond

EX • D/FL • IGI LG818640138

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG818640138

Diamond specifications and retailer prices

From £392 GBP
HK$4,100 HKD
As of October 30, 2026
Save £1,668 GBP (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £2,060 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.04ct lab-grown asscher diamond

This 1.04ct lab-grown asscher sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818640138 or 818640138. Listed at 20 retailers as of October 30, 2026, with prices from £392 to £2,060, a £1,668 spread on the same certified stone. Brilliant Earth lists it at £2,060. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.04
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818640138
Dimensions5.53 × 5.49 × 3.66 mm
L/W Ratio1.01
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
5.53 mm5.49 mm1.04 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818640138
Side View
Table 60.0%Crown 33.1°Girdle: MediumPavilion 38.4°Culet: NoneDepth 66.7%

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: £2,060 GBP|Low: £230 GBP|High: £2,060 GBP|Avg: £799 GBP
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 31, 2026
Retailer 4£323 GBP
Retailer 3£358 GBP
Retailer 12£392 GBP
Retailer 11£470 GBP
Retailer 15£479 GBP
Retailer 13£481 GBP
Retailer 8£567 GBP
Retailer 10£616 GBP
Retailer 2£649 GBP
Retailer 14£858 GBP
Retailer 7£951 GBP
Retailer 6£1,180 GBP
Retailer 5£1,337 GBP
Retailer 9£1,408 GBP
Brilliant Earth£2,060 GBP

40 data points across 15 retailers

20 retailers£392 GBP to £2,060 GBP

Retailer 1
-
£289 GBP
$387 USD
Price last confirmed 12 days ago
Retailer 2
-
£289 GBP
$387 USD
View
Price last confirmed 31 days ago
Retailer 3
-
£323 GBP
$433 USD
View
Price last confirmed 12 days ago
Final sale: no returns
Retailer 4
-
£354 GBP
$474 USD
View
Price last confirmed 34 days ago
Retailer 5
-
£358 GBP
$480 USD
View
Price last confirmed 11 days ago
Retailer 6
-
£358 GBP
$480 USD
View
Price last confirmed 15 days ago
A
Retailer 7
-
£392 GBP
HK$4,100 HKD
View
A
Retailer 8
-
£470 GBP
$630 USD
View
A
Retailer 9
-
£479 GBP
$642 USD
View
A
Retailer 10
-
£481 GBP
$645 USD
View
B+
Retailer 11
-
£567 GBP
€724 EUR
View
B+
Retailer 12
-
£616 GBP
ZAR 13,328 ZAR
View
B+
Retailer 13
-
£649 GBP
View
B+
Retailer 14
-
£858 GBP
$1,149 USD
View
B
Retailer 15
-
£951 GBP
SGD 1,722 SGD
View
Retailer 16
-
£1,152 GBP
$1,543 USD
View
Price last confirmed 30 days ago
B
Retailer 17
-
£1,180 GBP
$1,581 USD
View
B
Retailer 18
-
£1,337 GBP
$1,791 USD
View
B
Retailer 19
-
£1,408 GBP
View
Most Expensive
B
Brilliant Earth
21385643A · Oct 30
£2,060 GBP
$2,760 USD
View
19 more retailers have this diamond
Prices start from £392 GBPSave up to £1,668 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
1.04ct Asscher
£392 GBP