Asscher|Lab Grown|IGI

1.26ct D IF Asscher Lab Grown Diamond

EX • D/IF • IGI LG813630789

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG813630789

Diamond specifications and retailer prices

From £246 GBP
$330 USD
As of November 1, 2026
Save £1,520 GBP (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,766 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.26ct lab-grown asscher diamond

This 1.26ct 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 LG813630789 or 813630789. Listed at 21 retailers as of November 1, 2026, with prices from £246 to £1,766, a £1,520 spread on the same certified stone. Brilliant Earth lists it at £1,766. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.26
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813630789
Dimensions5.90 × 5.89 × 3.86 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
5.90 mm5.89 mm1.26 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813630789
Side View
Table 64.0%Crown 34.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 65.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £1,766 GBP|Low: £221 GBP|High: £1,893 GBP|Avg: £644 GBP|-6.7%
Brilliant Earth
Retailer 2
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November 2, 2026
Retailer 14£221 GBP
Retailer 10£246 GBP
Retailer 4£273 GBP
Retailer 21£273 GBP
Retailer 2£282 GBP
Retailer 9£305 GBP
Retailer 20£369 GBP
Retailer 17£391 GBP
Retailer 16£448 GBP
Retailer 7£460 GBP
Retailer 15£472 GBP
Retailer 13£485 GBP
Retailer 8£627 GBP
Retailer 18£667 GBP
Retailer 19£841 GBP
Retailer 11£880 GBP
Retailer 3£880 GBP
Retailer 12£916 GBP
Retailer 5£1,099 GBP
Retailer 6£1,118 GBP
Brilliant Earth£1,766 GBP

33 data points across 21 retailers

21 retailers£246 GBP to £1,766 GBP

Retailer 1
-
£221 GBP
$296 USD
Price last confirmed 9 days ago
A
Retailer 2
-
£246 GBP
$330 USD
View
Final sale: no returns
Retailer 3
-
£273 GBP
$367 USD
View
Price last confirmed 7 days ago
Retailer 4
-
£273 GBP
$367 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£282 GBP
View
A
Retailer 6
-
£305 GBP
HK$3,200 HKD
View
A
Retailer 7
-
£369 GBP
$495 USD
View
A
Retailer 8
-
£391 GBP
$525 USD
View
A
Retailer 9
-
£448 GBP
€572 EUR
View
A
Retailer 10
-
£460 GBP
$617 USD
View
A
Retailer 11
-
£472 GBP
ZAR 10,232 ZAR
View
A
Retailer 12
-
£485 GBP
View
B+
Retailer 13
-
£627 GBP
$841 USD
View
B+
Retailer 14
-
£667 GBP
A$1,378 AUD
View
B+
Retailer 15
-
£841 GBP
$1,128 USD
View
B
Retailer 16
-
£880 GBP
SGD 1,595 SGD
View
Retailer 17
-
£880 GBP
$1,181 USD
View
Price last confirmed 8 days ago
B+
Retailer 18
-
£916 GBP
$1,229 USD
View
B+
Retailer 19
-
£1,099 GBP
View
B
Retailer 20
-
£1,118 GBP
$1,501 USD
View
Most Expensive
B
Brilliant Earth
20609361A · Nov 2
£1,766 GBP
$2,370 USD
View
20 more retailers have this diamond
Prices start from £246 GBPSave up to £1,520 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
1.26ct Asscher
£246 GBP