Cushion|Lab Grown|IGI

1.53ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG780665353

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG780665353

Diamond specifications and retailer prices

From £426 GBP
$571 USD
As of November 1, 2026
Save £1,871 GBP (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,297 GBP at MOH London · As of November 3, 2026
View at MOH London

About this 1.53ct lab-grown cushion diamond

This 1.53ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780665353 or 780665353. Listed at 10 retailers as of November 1, 2026, with prices from £426 to £2,297, a £1,871 spread on the same certified stone. MOH London lists it at £2,297. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780665353
Dimensions8.35 × 5.96 × 3.97 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizeLarge
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
8.35 mm5.96 mm1.53 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780665353
Side View
Table 60.0%Crown 34.4°Girdle: MED-THKPavilion 41.9°Culet: LargeDepth 66.6%

Caratlytics Score

How it works →
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: Nov 1
Current: £2,297 GBP|Low: £426 GBP|High: £4,817 GBP|Avg: £1,936 GBP|-18.2%
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
Retailer 14
November 1, 2026
Retailer 13£426 GBP
Retailer 10£477 GBP
Retailer 14£715 GBP
Retailer 11£813 GBP
Retailer 2£935 GBP
Retailer 8£1,133 GBP
Retailer 4£1,139 GBP
Retailer 9£1,310 GBP
Retailer 12£1,485 GBP
Retailer 7£1,533 GBP
Retailer 5£2,067 GBP
MOH London£2,297 GBP
Retailer 6£4,650 GBP
Retailer 3£4,817 GBP

30 data points across 14 retailers

10 retailers£426 GBP to £2,297 GBP

A
Cheapest Retailer
-
£426 GBP
$571 USD
A
Retailer 2
-
£477 GBP
$640 USD
View
A
Retailer 3
-
£715 GBP
$960 USD
View
Final sale: no returns
A
Retailer 4
-
£813 GBP
$1,091 USD
View
A
Retailer 5
-
£935 GBP
€1,195 EUR
View
B+
Retailer 6
-
£1,133 GBP
$1,520 USD
View
B+
Retailer 7
-
£1,310 GBP
$1,758 USD
View
B+
Retailer 8
-
£1,485 GBP
$1,992 USD
View
B+
Retailer 9
-
£1,533 GBP
$2,057 USD
View
Most Expensive
B
MOH London
LG780665353 · Nov 3
£2,297 GBP
View
9 more retailers have this diamond
Prices start from £426 GBPSave up to £1,871 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
1.53ct Cushion
£426 GBP