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Cushion|Lab Grown|IGI

1.38ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG843683119

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG843683119

Diamond specifications and retailer prices

From £318 GBP
$426 USD
As of October 30, 2026
Save £1,831 GBP (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £2,149 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.38ct lab-grown cushion diamond

This 1.38ct 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 LG843683119 or 843683119. Listed at 20 retailers as of October 30, 2026, with prices from £318 to £2,149, a £1,831 spread on the same certified stone. Do Amore Diamonds lists it at £2,149. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.38
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843683119
Dimensions7.76 × 5.87 × 3.92 mm
L/W Ratio1.32
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.76 mm5.87 mm1.38 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843683119
Side View
Table 60.0%Crown 35.4°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 66.8%

Caratlytics Score

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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: £2,149 GBP|Low: £318 GBP|High: £2,149 GBP|Avg: £928 GBP
Do Amore Diamonds
Retailer 2
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Retailer 21
October 31, 2026
Retailer 9£318 GBP
Retailer 16£401 GBP
Retailer 4£421 GBP
Retailer 20£463 GBP
Retailer 14£521 GBP
Retailer 3£588 GBP
Retailer 5£589 GBP
Retailer 2£593 GBP
Retailer 15£619 GBP
Retailer 13£634 GBP
Retailer 7£667 GBP
Retailer 19£946 GBP
Retailer 17£1,007 GBP
Retailer 11£1,048 GBP
Retailer 18£1,074 GBP
Retailer 12£1,193 GBP
Retailer 10£1,314 GBP
Retailer 6£1,362 GBP
Retailer 8£1,489 GBP
Retailer 21£1,993 GBP
Do Amore Diamonds£2,149 GBP

6 data points across 21 retailers

20 retailers£318 GBP to £2,149 GBP

A
Cheapest Retailer
-
£318 GBP
$426 USD
Final sale: no returns
A
Retailer 2
-
£401 GBP
View
A
Retailer 3
-
£421 GBP
$564 USD
View
A
Retailer 4
-
£463 GBP
$620 USD
View
A
Retailer 5
-
£521 GBP
$698 USD
View
A
Retailer 6
-
£529 GBP
$709 USD
View
A
Retailer 7
-
£589 GBP
$789 USD
View
A
Retailer 8
-
£593 GBP
€757 EUR
View
A
Retailer 9
-
£619 GBP
$830 USD
View
A
Retailer 10
-
£634 GBP
View
A
Retailer 11
-
£667 GBP
ZAR 14,446 ZAR
View
B+
Retailer 12
-
£946 GBP
A$1,951 AUD
View
B+
Retailer 13
-
£1,007 GBP
View
B+
Retailer 14
-
£1,048 GBP
$1,405 USD
View
B+
Retailer 15
-
£1,074 GBP
CA$1,998 CAD
View
B+
Retailer 16
-
£1,314 GBP
$1,761 USD
View
B
Retailer 17
-
£1,362 GBP
$1,825 USD
View
B
Retailer 18
-
£1,489 GBP
$1,995 USD
View
B
Retailer 19
-
£1,993 GBP
$2,671 USD
View
Most Expensive
B
Do Amore Diamonds
20-E105183 · Oct 31
£2,149 GBP
$2,880 USD
View
19 more retailers have this diamond
Prices start from £318 GBPSave up to £1,831 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
1.38ct Cushion
£318 GBP