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Cushion|Lab Grown|IGI

1.02ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG790648377

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG790648377

Diamond specifications and retailer prices

From £1,181 GBP
$1,582 USD
As of October 30, 2026
Save £1,777 GBP (60%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £4,305 GBP at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 1.02ct lab-grown cushion diamond

This 1.02ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790648377 or 790648377. Listed at 12 retailers as of October 29, 2026, with a 150% 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
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790648377
Dimensions7.11 × 4.99 × 3.41 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.11 mm4.99 mm1.02 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790648377
Side View
Table 60.0%Crown 33.5°Girdle: STK-THKPavilion 36.9°Culet: NoneDepth 68.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,727 GBP|Low: £1,181 GBP|High: £4,305 GBP|Avg: £2,329 GBP|-11.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
October 30, 2026
Retailer 9£1,181 GBP
Retailer 7£1,224 GBP
Retailer 11£1,327 GBP
Retailer 8£1,351 GBP
Retailer 6£1,390 GBP
Retailer 1£1,727 GBP
Retailer 3£1,932 GBP
Retailer 4£2,250 GBP
Retailer 2£2,957 GBP
Retailer 5£3,499 GBP
Retailer 10£3,781 GBP
Taylor and Hart£4,305 GBP

43 data points across 12 retailers

12 retailers£1,181 GBP to £2,957 GBP

B+
Cheapest Retailer
-
£1,181 GBP
$1,582 USD
Final sale: no returns
Retailer 2
-
£1,224 GBP
$1,640 USD
View
Price last confirmed 18 days ago
B+
Retailer 3
-
£1,327 GBP
$1,778 USD
View
B+
Retailer 4
-
£1,351 GBP
$1,810 USD
View
Retailer 5
-
£1,390 GBP
View
Price last confirmed 13 days ago
B
Retailer 6
-
£1,727 GBP
View
B
Retailer 7
-
£1,932 GBP
$2,588 USD
View
B
Retailer 8
-
£2,250 GBP
ZAR 48,696 ZAR
View
B
Retailer 9
-
£2,957 GBP
View
Retailer 10
-
£3,499 GBP
View
Price under review
Retailer 11
-
£3,781 GBP
$5,066 USD
View
Price under review
Most Expensive
Taylor and Hart
LYH2ZJR · Oct 30
£4,305 GBP
$5,768 USD
View
Price under review
11 more retailers have this diamond
Prices start from £1,181 GBPSave up to £1,777 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.

B+
1.02ct Cushion
£1,181 GBP