Cushion|Lab Grown|GIA

1.23ct D IF Cushion Lab Grown Diamond

ID • D/IF • GIA 1535571075

Certificate GIA 1535571075

Diamond specifications and retailer prices

From £773 GBP
As of November 4, 2026
Save £2,227 GBP (74%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £3,000 GBP at MOH London · As of November 3, 2026
View at MOH London

About this 1.23ct lab-grown cushion diamond

This 1.23ct lab-grown cushion sits in the classic one-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 1535571075. Listed at 4 retailers as of November 3, 2026, with prices from £773 to £3,000, a £2,227 spread on the same certified stone. MOH London lists it at £3,000. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Colour
IF
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 1535571075
Dimensions6.09 × 5.96 × 4.00 mm
L/W Ratio1.02
Girdle conditionFaceted
Cert comments
This is a man-made diamond.
Key to symbols
Minor Details of Polish
Top View
6.09 mm5.96 mm1.23 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1535571075
Side View
Table 62.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 67.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £3,000 GBP|Low: £773 GBP|High: £3,067 GBP|Avg: £2,066 GBP|-2.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 3, 2026
Retailer 2£773 GBP
Retailer 4£1,607 GBP
Retailer 5£2,178 GBP
Retailer 3£2,438 GBP
MOH London£3,000 GBP

17 data points across 5 retailers

4 retailers£773 GBP to £3,000 GBP

A
Cheapest Retailer
-
£773 GBP
Final sale: no returns
B+
Retailer 2
-
£1,607 GBP
View
B
Retailer 3
-
£2,438 GBP
View
Most Expensive
B
MOH London
1535571075 · Nov 3
£3,000 GBP
View
3 more retailers have this diamond
Prices start from £773 GBPSave up to £2,227 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
1.23ct Cushion
£773 GBP