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Cushion|Lab Grown|IGI

1.26ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG837639968

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG837639968

Diamond specifications and retailer prices

From £490 GBP
$657 USD
As of October 30, 2026
Save £1,757 GBP (78%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £2,247 GBP at MOH London · As of October 26, 2026
View at MOH London

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 LG837639968 or 837639968. Listed at 17 retailers as of October 26, 2026, with prices from £490 to £2,247, a £1,757 spread on the same certified stone. MOH London lists it at £2,247. 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 angle35.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837639968
Dimensions7.89 × 5.53 × 3.49 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.89 mm5.53 mm1.26 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837639968
Side View
Table 59.0%Crown 35.9°Girdle: MED-STKPavilion 40.4°Culet: LargeDepth 63.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £2,247 GBP|Low: £466 GBP|High: £2,272 GBP|Avg: £1,080 GBP|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
October 31, 2026
Retailer 16£490 GBP
Retailer 6£517 GBP
Retailer 11£597 GBP
Retailer 8£670 GBP
Retailer 4£694 GBP
Retailer 5£696 GBP
Retailer 2£760 GBP
Retailer 10£806 GBP
Retailer 15£888 GBP
Retailer 3£1,140 GBP
Retailer 12£1,260 GBP
Retailer 13£1,318 GBP
Retailer 17£1,501 GBP
Retailer 9£1,676 GBP
Retailer 7£1,745 GBP
Retailer 14£1,821 GBP
MOH London£2,247 GBP

38 data points across 17 retailers

17 retailers£490 GBP to £2,247 GBP

A
Cheapest Retailer
-
£490 GBP
$657 USD
Final sale: no returns
Retailer 2
-
£517 GBP
$693 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
£597 GBP
$800 USD
View
A
Retailer 4
-
£670 GBP
$898 USD
View
A
Retailer 5
-
£694 GBP
$930 USD
View
A
Retailer 6
-
£696 GBP
$932 USD
View
B+
Retailer 7
-
£760 GBP
€970 EUR
View
B+
Retailer 8
-
£806 GBP
View
B+
Retailer 9
-
£888 GBP
ZAR 19,232 ZAR
View
B+
Retailer 10
-
£1,140 GBP
$1,528 USD
View
B+
Retailer 11
-
£1,260 GBP
A$2,598 AUD
View
B+
Retailer 12
-
£1,318 GBP
A$2,717 AUD
View
B
Retailer 13
-
£1,501 GBP
View
B
Retailer 14
-
£1,676 GBP
$2,246 USD
View
B
Retailer 15
-
£1,745 GBP
$2,338 USD
View
B
Retailer 16
-
£1,821 GBP
$2,440 USD
View
Most Expensive
B
MOH London
LG837639968 · Oct 26
£2,247 GBP
View
16 more retailers have this diamond
Prices start from £490 GBPSave up to £1,757 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
£490 GBP