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Cushion|Lab Grown|IGI

1.02ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG801609078

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG801609078

Diamond specifications and retailer prices

From £290 GBP
As of November 3, 2026
Save £1,169 GBP (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,459 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.02ct lab-grown cushion diamond

This 1.02ct 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 and certified by IGI LG801609078 or 801609078. Listed at 16 retailers as of November 3, 2026, with prices from £290 to £1,459, a £1,169 spread on the same certified stone. Brilliant Earth lists it at £1,459. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801609078
Dimensions6.95 × 5.22 × 3.69 mm
L/W Ratio1.33
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.95 mm5.22 mm1.02 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801609078
Side View
Table 63.0%Crown 31.8°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 70.7%

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 3
Current: £1,459 GBP|Low: £330 GBP|High: £1,674 GBP|Avg: £805 GBP|-10.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 4, 2026
Retailer 2£330 GBP
Retailer 5£433 GBP
Retailer 8£492 GBP
Retailer 6£555 GBP
Retailer 4£573 GBP
Retailer 3£785 GBP
Retailer 9£996 GBP
Retailer 7£1,257 GBP
Brilliant Earth£1,459 GBP

34 data points across 9 retailers

16 retailers£290 GBP to £1,459 GBP

A
Cheapest Retailer
-
£290 GBP
Final sale: no returns
Retailer 2
-
£321 GBP
View
Price last confirmed 10 days ago
A
Retailer 3
-
£330 GBP
View
A
Retailer 4
-
£433 GBP
View
A
Retailer 5
-
£452 GBP
View
A
Retailer 6
-
£492 GBP
View
A
Retailer 7
-
£516 GBP
View
A
Retailer 8
-
£552 GBP
View
A
Retailer 9
-
£555 GBP
View
A
Retailer 10
-
£573 GBP
View
B+
Retailer 11
-
£785 GBP
View
B+
Retailer 12
-
£996 GBP
View
B
Retailer 13
-
£1,065 GBP
View
B
Retailer 14
-
£1,239 GBP
View
B
Retailer 15
-
£1,257 GBP
View
Most Expensive
B
Brilliant Earth
20666215A · Nov 4
£1,459 GBP
$1,970 USD
View
15 more retailers have this diamond
Prices start from £290 GBPSave up to £1,169 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
1.02ct Cushion
£290 GBP