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Cushion|Lab Grown|IGI

1.26ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG739586727

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG739586727

Diamond specifications and retailer prices

From £1,844 GBP
$2,490 USD
As of November 4, 2026
1 retailer carries this diamond
Only listing: £1,844 GBP at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

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 LG739586727 or 739586727. Listed at a single retailer as of November 4, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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 angle33.7°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739586727
Dimensions7.08 × 5.92 × 3.85 mm
L/W Ratio1.20
Girdle conditionFaceted
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
7.08 mm5.92 mm1.26 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739586727
Side View
Table 61.0%Crown 33.7°Girdle: MED-STKPavilion 35.9°Culet: NoneDepth 65.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 4
Current: £1,844 GBP|Low: £187 GBP|High: £145,973 GBP|Avg: £1,558 GBP
Brilliant Earth
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June 13, 2026
Retailer 15£187 GBP
Retailer 2£239 GBP
Retailer 6£407 GBP
Retailer 3£536 GBP
Retailer 14£536 GBP
Retailer 8£604 GBP
Retailer 11£626 GBP
Retailer 12£639 GBP
Retailer 13£1,090 GBP
Retailer 4£1,124 GBP
Retailer 5£1,189 GBP
Retailer 9£1,220 GBP
Retailer 10£1,244 GBP
Retailer 7£1,423 GBP
Brilliant Earth£1,844 GBP

49 data points across 15 retailers

1 retailer

B
Brilliant Earth
16164218A · Nov 4
£1,844 GBP
$2,490 USD
View

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B
1.26ct Cushion
£1,844 GBP