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Cushion|Lab Grown|IGI

1.02ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG756573597

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG756573597

Diamond specifications and retailer prices

From £279 GBP
As of November 3, 2026
Save £963 GBP (78%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,793 GBP at Brilliant Earth · As of October 22, 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 LG756573597 or 756573597. Listed at 19 retailers as of November 3, 2026, with a 345% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle30°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756573597
Dimensions6.92 × 5.35 × 3.62 mm
L/W Ratio1.29
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.92 mm5.35 mm1.02 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG756573597
Side View
Table 63.0%Crown 30°Girdle: THK-VTKPavilion 41.3°Culet: NoneDepth 67.7%

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: £1,793 GBP|Low: £279 GBP|High: £1,844 GBP|Avg: £735 GBP|+7.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 4, 2026
Retailer 4£279 GBP
Retailer 13£310 GBP
Retailer 10£416 GBP
Retailer 11£419 GBP
Retailer 3£485 GBP
Retailer 8£493 GBP
Retailer 6£534 GBP
Retailer 2£550 GBP
Retailer 9£723 GBP
Retailer 12£825 GBP
Retailer 5£1,207 GBP
Retailer 7£1,242 GBP
Brilliant Earth£1,793 GBP

44 data points across 13 retailers

19 retailers£279 GBP to £1,242 GBP

A
Cheapest Retailer
-
£279 GBP
Final sale: no returns
Retailer 2
-
£310 GBP
View
Price last confirmed 10 days ago
A
Retailer 3
-
£416 GBP
View
A
Retailer 4
-
£419 GBP
View
A
Retailer 5
-
£449 GBP
View
A
Retailer 6
-
£485 GBP
View
A
Retailer 7
-
£493 GBP
View
A
Retailer 8
-
£534 GBP
View
A
Retailer 9
-
£550 GBP
View
B+
Retailer 10
-
£668 GBP
View
B+
Retailer 11
-
£723 GBP
View
Retailer 12
-
£770 GBP
View
Price last confirmed 9 days ago
B+
Retailer 13
-
£825 GBP
View
Retailer 14
-
£980 GBP
View
Price last confirmed 79 days ago
B
Retailer 15
-
£1,028 GBP
View
B
Retailer 16
-
£1,207 GBP
View
B
Retailer 17
-
£1,209 GBP
View
B
Retailer 18
-
£1,242 GBP
View
Most Expensive
Brilliant Earth
17439836A · Oct 22
£1,793 GBP
$2,420 USD
View
Price last confirmed 13 days ago
18 more retailers have this diamond
Prices start from £279 GBPSave up to £963 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
£279 GBP