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Cushion|Lab Grown|IGI

1.03ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG826698073

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG826698073

Diamond specifications and retailer prices

From £221 GBP
As of November 3, 2026
Save £821 GBP (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,042 GBP at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.03ct lab-grown cushion diamond

This 1.03ct 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 LG826698073 or 826698073. Listed at 14 retailers as of November 3, 2026, with prices from £221 to £1,042, a £821 spread on the same certified stone. Reve Diamonds lists it at £1,042. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826698073
Dimensions6.83 × 5.26 × 3.42 mm
L/W Ratio1.30
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.83 mm5.26 mm1.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826698073
Side View
Table 61.0%Crown 31.8°Girdle: MED-THKPavilion 38.8°Culet: NoneDepth 65.0%

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: Nov 3
Current: £464 GBP|Low: £221 GBP|High: £1,077 GBP|Avg: £602 GBP|+4.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Reve Diamonds
November 4, 2026
Retailer 13£221 GBP
Retailer 5£259 GBP
Retailer 10£275 GBP
Retailer 12£406 GBP
Retailer 6£407 GBP
Retailer 8£422 GBP
Retailer 11£438 GBP
Retailer 1£464 GBP
Retailer 7£601 GBP
Retailer 2£656 GBP
Retailer 4£825 GBP
Retailer 3£864 GBP
Retailer 9£981 GBP
Reve Diamonds£1,042 GBP

42 data points across 14 retailers

14 retailers£221 GBP to £1,042 GBP

A
Cheapest Retailer
-
£221 GBP
Final sale: no returns
Retailer 2
-
£259 GBP
View
Price last confirmed 10 days ago
A
Retailer 3
-
£275 GBP
View
A
Retailer 4
-
£406 GBP
View
A
Retailer 5
-
£407 GBP
View
A
Retailer 6
-
£422 GBP
View
A
Retailer 7
-
£438 GBP
View
A
Retailer 8
-
£464 GBP
View
A
Retailer 9
-
£601 GBP
View
B+
Retailer 10
-
£656 GBP
View
B+
Retailer 11
-
£825 GBP
View
B+
Retailer 12
-
£864 GBP
View
B+
Retailer 13
-
£981 GBP
View
Most Expensive
B
Reve Diamonds
583694AA9 · Nov 4
£1,042 GBP
$1,407 USD
View
13 more retailers have this diamond
Prices start from £221 GBPSave up to £821 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
1.03ct Cushion
£221 GBP