CaratHunter
Plans
Asscher|Lab Grown|IGI

1.40ct D IF Asscher Lab Grown Diamond

ID • D/IF • IGI LG784629143

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG784629143

Diamond specifications and retailer prices

From £218 GBP
$293 USD
As of November 2, 2026
Save £1,686 GBP (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £2,310 GBP at Brilliant Earth · As of October 8, 2026
View at Brilliant Earth

About this 1.4ct lab-grown asscher diamond

This 1.4ct lab-grown asscher sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784629143 or 784629143. Listed at 21 retailers as of November 1, 2026, with a 772% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784629143
Dimensions6.21 × 6.14 × 4.01 mm
L/W Ratio1.01
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
6.21 mm6.14 mm1.40 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784629143
Side View
Table 69.0%Crown 32.3°Girdle: Slightly ThickPavilion 41.4°Culet: NoneDepth 65.3%

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: Nov 2
Current: £2,310 GBP|Low: £210 GBP|High: £2,310 GBP|Avg: £659 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
Retailer 16
November 3, 2026
Retailer 3£218 GBP
Retailer 8£253 GBP
Retailer 4£271 GBP
Retailer 7£271 GBP
Retailer 9£279 GBP
Retailer 13£387 GBP
Retailer 16£444 GBP
Retailer 6£445 GBP
Retailer 10£467 GBP
Retailer 2£480 GBP
Retailer 12£661 GBP
Retailer 15£673 GBP
Retailer 5£871 GBP
Retailer 11£1,092 GBP
Retailer 14£1,904 GBP
Brilliant Earth£2,310 GBP

41 data points across 16 retailers

21 retailers£218 GBP to £1,904 GBP

A
Cheapest Retailer
-
£218 GBP
$293 USD
A
Retailer 2
-
£244 GBP
$328 USD
View
Final sale: no returns
A
Retailer 3
-
£253 GBP
$340 USD
View
Retailer 4
-
£271 GBP
$364 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£271 GBP
$364 USD
View
A
Retailer 6
-
£279 GBP
View
A
Retailer 7
-
£387 GBP
$520 USD
View
A
Retailer 8
-
£445 GBP
$597 USD
View
A
Retailer 9
-
£461 GBP
$619 USD
View
A
Retailer 10
-
£467 GBP
ZAR 10,133 ZAR
View
A
Retailer 11
-
£480 GBP
View
B+
Retailer 12
-
£661 GBP
A$1,365 AUD
View
B+
Retailer 13
-
£673 GBP
$903 USD
View
B+
Retailer 14
-
£753 GBP
$1,010 USD
View
B+
Retailer 15
-
£871 GBP
$1,169 USD
View
B+
Retailer 16
-
£907 GBP
$1,218 USD
View
B+
Retailer 17
-
£1,092 GBP
View
B+
Retailer 18
-
£1,111 GBP
$1,492 USD
View
Retailer 19
-
£1,784 GBP
$2,393 USD
View
Price last confirmed 85 days ago
B
Retailer 20
-
£1,904 GBP
$2,555 USD
View
Most Expensive
Brilliant Earth
21384785A · Oct 8
£2,310 GBP
$3,100 USD
View
Price last confirmed 25 days ago
20 more retailers have this diamond
Prices start from £218 GBPSave up to £1,686 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
1.40ct Asscher
£218 GBP