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Cushion|Lab Grown|GIA

1.39ct D IF Cushion Lab Grown Diamond

ID • D/IF • GIA 1525064365

Certificate GIA 1525064365

Diamond specifications and retailer prices

From £878 GBP
$1,177 USD
As of October 30, 2026
Save £2,370 GBP (73%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £3,248 GBP at MOH London · As of October 29, 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 stated by the retailer rather than the lab and certified by GIA 1525064365. Listed at 5 retailers as of October 29, 2026, with prices from £878 to £3,248, a £2,370 spread on the same certified stone. MOH London lists it at £3,248. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 1525064365
Dimensions6.34 × 6.29 × 4.11 mm
L/W Ratio1.01
Cert comments
This is a man-made diamond.
Key to symbols
Minor Details of Polish
Top View
6.34 mm6.29 mm1.39 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1525064365
Side View
Table 58.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 65.4%

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: £3,248 GBP|Low: £632 GBP|High: £3,298 GBP|Avg: £2,371 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 4£878 GBP
Retailer 2£1,849 GBP
Retailer 3£2,555 GBP
Retailer 5£2,775 GBP
Retailer 6£3,015 GBP
MOH London£3,248 GBP

27 data points across 6 retailers

5 retailers£878 GBP to £3,248 GBP

A
Cheapest Retailer
-
£878 GBP
$1,177 USD
Final sale: no returns
B+
Retailer 2
-
£1,849 GBP
ZAR 40,015 ZAR
View
B
Retailer 3
-
£2,555 GBP
$3,424 USD
View
B
Retailer 4
-
£2,775 GBP
View
Most Expensive
B
MOH London
1525064365 · Oct 29
£3,248 GBP
View
4 more retailers have this diamond
Prices start from £878 GBPSave up to £2,370 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
£878 GBP