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Cushion|Lab Grown|GCAL

1.38ct D IF Cushion Lab Grown Diamond

ID • D/IF • GCAL 360946243

Shape and cutting style on the report: Cushion modified brilliant

Certificate GCAL 360946243

Diamond specifications and retailer prices

From £487 GBP
$652 USD
As of October 30, 2026
Save £3,230 GBP (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,717 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 GCAL 360946243. Listed at 13 retailers as of October 30, 2026, with prices from £487 to £3,717, a £3,230 spread on the same certified stone. Do Amore Diamonds lists it at £3,717. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 360946243
Dimensions6.39 × 6.22 × 4.24 mm
L/W Ratio1.03
Culet sizeNone
Top View
6.39 mm6.22 mm1.38 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 360946243
Side View
Table 61.0%Crown 34.6°Girdle: STN-MEDPavilion 40°Culet: NoneDepth 68.2%

Caratlytics Score

How it works →
A+
Exceptional
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: £3,717 GBP|Low: £487 GBP|High: £3,859 GBP|Avg: £1,904 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 8£487 GBP
Retailer 7£620 GBP
Retailer 13£729 GBP
Retailer 4£1,726 GBP
Retailer 3£1,866 GBP
Retailer 10£1,962 GBP
Retailer 5£1,993 GBP
Retailer 9£2,010 GBP
Retailer 2£2,164 GBP
Retailer 11£2,239 GBP
Retailer 12£2,239 GBP
Retailer 6£2,361 GBP
Do Amore Diamonds£3,717 GBP

19 data points across 13 retailers

13 retailers£487 GBP to £3,717 GBP

A+
Cheapest Retailer
-
£487 GBP
$652 USD
Final sale: no returns
A
Retailer 2
-
£620 GBP
$831 USD
View
A
Retailer 3
-
£729 GBP
$977 USD
View
B+
Retailer 4
-
£1,726 GBP
CA$3,212 CAD
View
B
Retailer 5
-
£1,866 GBP
$2,500 USD
View
B
Retailer 6
-
£1,962 GBP
$2,629 USD
View
B
Retailer 7
-
£1,993 GBP
$2,671 USD
View
B+
Retailer 8
-
£2,010 GBP
$2,693 USD
View
B+
Retailer 9
-
£2,164 GBP
$2,900 USD
View
B
Retailer 10
-
£2,239 GBP
$3,000 USD
View
B
Retailer 11
-
£2,239 GBP
$3,000 USD
View
B+
Retailer 12
-
£2,361 GBP
View
Most Expensive
B
Do Amore Diamonds
32-360946243 · Oct 31
£3,717 GBP
$4,980 USD
View
12 more retailers have this diamond
Prices start from £487 GBPSave up to £3,230 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
£487 GBP