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Cushion|Lab Grown|IGI

0.94ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG818659128

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG818659128

Diamond specifications and retailer prices

From £438 GBP
As of November 3, 2026
Save £1,096 GBP (71%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,533 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 0.94ct lab-grown cushion diamond

This 0.94ct lab-grown cushion sits in the just-under-one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818659128 or 818659128. Listed at 12 retailers as of November 3, 2026, with prices from £438 to £1,533, a £1,096 spread on the same certified stone. Brilliant Earth lists it at £1,533. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.94
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818659128
Dimensions7.24 × 4.81 × 3.33 mm
L/W Ratio1.51
Girdle conditionFaceted
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
7.24 mm4.81 mm0.94 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818659128
Side View
Table 60.0%Crown 32.5°Girdle: MED-THKPavilion 37.5°Culet: NoneDepth 69.2%

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: Nov 3
Current: £1,533 GBP|Low: £364 GBP|High: £1,578 GBP|Avg: £890 GBP|-2.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 4, 2026
Retailer 11£404 GBP
Retailer 5£438 GBP
Retailer 10£500 GBP
Retailer 9£635 GBP
Retailer 2£661 GBP
Retailer 6£733 GBP
Retailer 8£771 GBP
Retailer 3£841 GBP
Retailer 12£1,323 GBP
Retailer 4£1,339 GBP
Retailer 7£1,483 GBP
Brilliant Earth£1,533 GBP

43 data points across 12 retailers

12 retailers£438 GBP to £1,533 GBP

Retailer 1
-
£404 GBP
Price last confirmed 10 days ago
A
Retailer 2
-
£438 GBP
View
Final sale: no returns
A
Retailer 3
-
£500 GBP
View
A
Retailer 4
-
£635 GBP
View
A
Retailer 5
-
£661 GBP
View
A
Retailer 6
-
£733 GBP
View
B+
Retailer 7
-
£771 GBP
View
Retailer 8
-
£841 GBP
View
Price last confirmed 21 days ago
B
Retailer 9
-
£1,323 GBP
View
B
Retailer 10
-
£1,339 GBP
View
B
Retailer 11
-
£1,483 GBP
View
Most Expensive
B
Brilliant Earth
21421175A · Nov 4
£1,533 GBP
$2,070 USD
View
11 more retailers have this diamond
Prices start from £438 GBPSave up to £1,096 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
0.94ct Cushion
£438 GBP