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Asscher|Lab Grown|IGI

1.29ct D IF Asscher Lab Grown Diamond

ID • D/IF • IGI LG837647111

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG837647111

Diamond specifications and retailer prices

From £258 GBP
As of November 2, 2026
Save £1,608 GBP (86%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,866 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.29ct lab-grown asscher diamond

This 1.29ct 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 LG837647111 or 837647111. Listed at 10 retailers as of October 31, 2026, with prices from £258 to £1,866, a £1,608 spread on the same certified stone. Brilliant Earth lists it at £1,866. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.7°
Pavilion angle42.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837647111
Dimensions6.06 × 6.03 × 3.79 mm
L/W Ratio1.00
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.06 mm6.03 mm1.29 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837647111
Side View
Table 65.0%Crown 31.7°Girdle: MediumPavilion 42.6°Culet: NoneDepth 62.9%

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: Nov 2
Current: £1,866 GBP|Low: £240 GBP|High: £2,381 GBP|Avg: £637 GBP|-21.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 10£240 GBP
Retailer 2£258 GBP
Retailer 4£407 GBP
Retailer 8£414 GBP
Retailer 6£439 GBP
Retailer 9£456 GBP
Retailer 7£609 GBP
Retailer 5£655 GBP
Retailer 3£1,003 GBP
Brilliant Earth£1,866 GBP

44 data points across 10 retailers

10 retailers£258 GBP to £1,866 GBP

Retailer 1
-
£240 GBP
$322 USD
Price last confirmed 38 days ago
A
Retailer 2
-
£258 GBP
View
A
Retailer 3
-
£407 GBP
$545 USD
View
A
Retailer 4
-
£414 GBP
$555 USD
View
A
Retailer 5
-
£439 GBP
$588 USD
View
Retailer 6
-
£456 GBP
€582 EUR
View
Price last confirmed 8 days ago
B+
Retailer 7
-
£609 GBP
A$1,256 AUD
View
B+
Retailer 8
-
£655 GBP
$877 USD
View
B+
Retailer 9
-
£1,003 GBP
View
Most Expensive
B
Brilliant Earth
21633232A · Oct 31
£1,866 GBP
$2,500 USD
View
9 more retailers have this diamond
Prices start from £258 GBPSave up to £1,608 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
1.29ct Asscher
£258 GBP