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Cushion|Lab Grown|IGI

1.39ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG749575941

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG749575941

Diamond specifications and retailer prices

From £546 GBP
$731 USD
As of October 30, 2026
Save £1,852 GBP (77%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £2,397 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 1.39ct lab-grown cushion diamond

This 1.39ct 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 LG749575941 or 749575941. Listed at 19 retailers as of October 26, 2026, with prices from £546 to £2,397, a £1,852 spread on the same certified stone. MOH London lists it at £2,397. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.39
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749575941
Dimensions5.95 × 5.95 × 3.76 mm
L/W Ratio1.00
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
5.95 mm5.95 mm1.39 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749575941
Side View
Table 62.0%Crown 33.5°Girdle: MED-STKPavilion 37.2°Culet: NoneDepth 63.2%

Caratlytics Score

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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: Oct 30
Current: £2,397 GBP|Low: £546 GBP|High: £2,806 GBP|Avg: £1,359 GBP|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 8
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Retailer 11
Retailer 12
Retailer 13
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Retailer 18
Retailer 19
October 31, 2026
Retailer 3£546 GBP
Retailer 7£568 GBP
Retailer 10£659 GBP
Retailer 19£698 GBP
Retailer 16£743 GBP
Retailer 17£810 GBP
Retailer 8£836 GBP
Retailer 2£902 GBP
Retailer 12£904 GBP
Retailer 6£1,035 GBP
Retailer 14£1,316 GBP
Retailer 13£1,474 GBP
Retailer 15£1,521 GBP
Retailer 9£1,763 GBP
Retailer 4£1,905 GBP
Retailer 5£1,951 GBP
Retailer 18£1,970 GBP
MOH London£2,397 GBP
Retailer 11£2,806 GBP

38 data points across 19 retailers

19 retailers£546 GBP to £2,397 GBP

A
Cheapest Retailer
-
£546 GBP
$731 USD
Final sale: no returns
Retailer 2
-
£568 GBP
$761 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
£659 GBP
HK$6,900 HKD
View
A
Retailer 4
-
£698 GBP
$935 USD
View
A
Retailer 5
-
£743 GBP
$996 USD
View
A
Retailer 6
-
£810 GBP
$1,085 USD
View
B+
Retailer 7
-
£836 GBP
$1,120 USD
View
B+
Retailer 8
-
£902 GBP
€1,151 EUR
View
B+
Retailer 9
-
£904 GBP
View
Retailer 10
-
£1,035 GBP
ZAR 22,396 ZAR
View
Price last confirmed 7 days ago
B+
Retailer 11
-
£1,316 GBP
$1,763 USD
View
Retailer 12
-
£1,365 GBP
$1,829 USD
View
Price last confirmed 61 days ago
B+
Retailer 13
-
£1,474 GBP
A$3,038 AUD
View
B+
Retailer 14
-
£1,521 GBP
A$3,135 AUD
View
B
Retailer 15
-
£1,763 GBP
View
B
Retailer 16
-
£1,905 GBP
SGD 3,450 SGD
View
B
Retailer 17
-
£1,951 GBP
$2,614 USD
View
B
Retailer 18
-
£1,970 GBP
$2,640 USD
View
Most Expensive
B
MOH London
LG749575941 · Oct 26
£2,397 GBP
View
18 more retailers have this diamond
Prices start from £546 GBPSave up to £1,852 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
1.39ct Cushion
£546 GBP