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Cushion|Lab Grown|IGI

3.30ct D IF Cushion Lab Grown Diamond

VG • D/IF

Diamond specifications and retailer prices

From £1,455 GBP
As of October 30, 2026
Save £5,509 GBP (79%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £6,964 GBP at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 3.3ct lab-grown cushion diamond

This 3.3ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI. Listed at 2 retailers as of October 30, 2026, with prices from £1,455 to £6,964, a £5,509 spread on the same certified stone. Blue Nile lists it at £6,964. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.30
Carat
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions10.04 × 8.01 × 5.22 mm
L/W Ratio1.25
Top View
10.04 mm8.01 mm3.30 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 59.0%CrownGirdle: MediumPavilionCulet: NoneDepth 65.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £6,964 GBP|Low: £1,455 GBP|High: £7,762 GBP|Avg: £4,323 GBP|-10.3%
Blue Nile
Retailer 2
October 30, 2026
Retailer 2£1,455 GBP
Blue Nile£6,964 GBP

33 data points across 2 retailers

2 retailers£1,455 GBP to £6,964 GBP

A
Cheapest Retailer
-
£1,455 GBP
Most Expensive
B
Blue Nile
26682757 · Oct 31
£6,964 GBP
$9,331 USD
View
1 more retailer has this diamond
Prices start from £1,455 GBPSave up to £5,509 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
3.30ct Cushion
£1,455 GBP