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Cushion|Lab Grown|IGI

1.26ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG835649620

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG835649620

Diamond specifications and retailer prices

From £315 GBP
As of November 4, 2026
Save £1,227 GBP (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,542 GBP at Michael Trio · As of November 4, 2026
View at Michael Trio

About this 1.26ct lab-grown cushion diamond

This 1.26ct lab-grown cushion 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 LG835649620 or 835649620. Listed at 16 retailers as of November 4, 2026, with prices from £315 to £1,542, a £1,227 spread on the same certified stone. Michael Trio lists it at £1,542. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.9°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835649620
Dimensions7.70 × 5.42 × 3.64 mm
L/W Ratio1.42
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.70 mm5.42 mm1.26 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835649620
Side View
Table 65.0%Crown 42.9°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 67.2%

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 4
Current: £1,542 GBP|Low: £315 GBP|High: £1,564 GBP|Avg: £765 GBP|-1.4%
Michael Trio
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 4, 2026
Retailer 9£315 GBP
Retailer 8£354 GBP
Retailer 2£359 GBP
Retailer 12£407 GBP
Retailer 10£468 GBP
Retailer 13£536 GBP
Retailer 4£580 GBP
Retailer 16£604 GBP
Retailer 11£624 GBP
Retailer 6£644 GBP
Retailer 7£854 GBP
Retailer 15£1,150 GBP
Retailer 14£1,274 GBP
Retailer 5£1,297 GBP
Retailer 3£1,370 GBP
Michael Trio£1,542 GBP

20 data points across 16 retailers

16 retailers£315 GBP to £1,542 GBP

A
Cheapest Retailer
-
£315 GBP
Final sale: no returns
Retailer 2
-
£354 GBP
View
Price last confirmed 10 days ago
A
Retailer 3
-
£359 GBP
View
A
Retailer 4
-
£407 GBP
View
A
Retailer 5
-
£468 GBP
View
A
Retailer 6
-
£536 GBP
View
A
Retailer 7
-
£580 GBP
View
A
Retailer 8
-
£604 GBP
View
A
Retailer 9
-
£624 GBP
View
A
Retailer 10
-
£644 GBP
View
B+
Retailer 11
-
£854 GBP
View
B+
Retailer 12
-
£1,150 GBP
View
B+
Retailer 13
-
£1,274 GBP
View
B+
Retailer 14
-
£1,297 GBP
View
B+
Retailer 15
-
£1,370 GBP
View
Most Expensive
B
Michael Trio
1645680685 · Nov 4
£1,542 GBP
SGD 2,813 SGD
View
15 more retailers have this diamond
Prices start from £315 GBPSave up to £1,227 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 Cushion
£315 GBP