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Cushion|Lab Grown|IGI

1.02ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG798603810

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG798603810

Diamond specifications and retailer prices

From £218 GBP
$290 USD
As of October 30, 2026
Save £1,222 GBP (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,440 GBP at Queensmith · As of October 27, 2026
View at Queensmith

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG798603810 or 798603810. Listed at 18 retailers as of October 27, 2026, with prices from £218 to £1,440, a £1,222 spread on the same certified stone. Queensmith lists it at £1,440. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG798603810
Dimensions6.51 × 5.21 × 3.51 mm
L/W Ratio1.25
Girdle conditionFaceted
Culet sizePointed
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
6.51 mm5.21 mm1.02 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG798603810
Side View
Table 60.0%Crown 36.6°Girdle: MED-STKPavilion 35.2°Culet: NoneDepth 67.4%

Caratlytics Score

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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: Oct 30
Current: £461 GBP|Low: £168 GBP|High: £1,284 GBP|Avg: £603 GBP|+2.7%
Retailer 1
Retailer 2
Retailer 3
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 17
October 30, 2026
Retailer 8£218 GBP
Retailer 2£241 GBP
Retailer 7£324 GBP
Retailer 14£327 GBP
Retailer 10£386 GBP
Retailer 13£414 GBP
Retailer 4£444 GBP
Retailer 1£461 GBP
Retailer 5£480 GBP
Retailer 12£587 GBP
Retailer 17£613 GBP
Retailer 11£741 GBP
Retailer 9£814 GBP
Retailer 16£957 GBP
Retailer 15£968 GBP
Retailer 6£1,038 GBP
Retailer 3£1,209 GBP

37 data points across 17 retailers

18 retailers£218 GBP to £1,440 GBP

A
Cheapest Retailer
-
£218 GBP
$290 USD
Final sale: no returns
A
Retailer 2
-
£241 GBP
$321 USD
View
A
Retailer 3
-
£324 GBP
$432 USD
View
A
Retailer 4
-
£327 GBP
$435 USD
View
A
Retailer 5
-
£386 GBP
€489 EUR
View
A
Retailer 6
-
£414 GBP
ZAR 8,917 ZAR
View
A
Retailer 7
-
£444 GBP
$591 USD
View
A
Retailer 8
-
£461 GBP
View
A
Retailer 9
-
£480 GBP
$639 USD
View
A
Retailer 10
-
£587 GBP
A$1,203 AUD
View
A
Retailer 11
-
£613 GBP
$816 USD
View
B+
Retailer 12
-
£741 GBP
A$1,518 AUD
View
B+
Retailer 13
-
£814 GBP
$1,084 USD
View
Retailer 14
-
£957 GBP
$1,275 USD
View
Price last confirmed 11 days ago
B+
Retailer 15
-
£968 GBP
View
B+
Retailer 16
-
£1,038 GBP
$1,382 USD
View
B
Retailer 17
-
£1,209 GBP
$1,610 USD
View
Most Expensive
B
Queensmith
LG798603810 · Oct 27
£1,440 GBP
View
17 more retailers have this diamond
Prices start from £218 GBPSave up to £1,222 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
£218 GBP