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Cushion|Lab Grown|IGI

1.27ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG768681440

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG768681440

Diamond specifications and retailer prices

From £623 GBP
As of October 29, 2026
Save £1,113 GBP (64%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,947 GBP at MOH London · As of October 25, 2026
View at MOH London

About this 1.27ct lab-grown cushion diamond

This 1.27ct 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 LG768681440 or 768681440. Listed at 15 retailers as of October 29, 2026, with a 179% 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

1.27
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768681440
Dimensions7.61 × 5.58 × 3.85 mm
L/W Ratio1.36
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
7.61 mm5.58 mm1.27 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768681440
Side View
Table 59.0%Crown 37.4°Girdle: MED-STKPavilion 35.7°Culet: NoneDepth 69.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £1,947 GBP|Low: £420 GBP|High: £1,968 GBP|Avg: £862 GBP|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 4, 2026
Retailer 3£420 GBP
Retailer 10£466 GBP
Retailer 8£537 GBP
Retailer 11£623 GBP
Retailer 7£626 GBP
Retailer 4£679 GBP
Retailer 2£764 GBP
Retailer 5£800 GBP
Retailer 6£1,142 GBP
Retailer 9£1,233 GBP
MOH London£1,947 GBP

42 data points across 11 retailers

15 retailers£623 GBP to £1,736 GBP

Retailer 1
-
£466 GBP
Price last confirmed 19 days ago
Retailer 2
-
£537 GBP
View
Price last confirmed 7 days ago
A
Retailer 3
-
£623 GBP
View
A
Retailer 4
-
£626 GBP
View
A
Retailer 5
-
£679 GBP
View
Retailer 6
-
£685 GBP
View
Price last confirmed 7 days ago
A
Retailer 7
-
£764 GBP
View
Retailer 8
-
£800 GBP
View
Price last confirmed 7 days ago
Retailer 9
-
£1,142 GBP
View
Price last confirmed 15 days ago
Retailer 10
-
£1,233 GBP
View
Price last confirmed 21 days ago
Retailer 11
-
£1,354 GBP
View
Price last confirmed 8 days ago
Retailer 12
-
£1,516 GBP
View
Price last confirmed 8 days ago
Retailer 13
-
£1,610 GBP
View
Price last confirmed 7 days ago
B
Retailer 14
-
£1,736 GBP
View
Most Expensive
MOH London
LG768681440 · Oct 25
£1,947 GBP
View
Price last confirmed 10 days ago
14 more retailers have this diamond
Prices start from £623 GBPSave up to £1,113 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
1.27ct Cushion
£623 GBP