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Cushion|Lab Grown|IGI

1.03ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG840622267

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840622267

Diamond specifications and retailer prices

From £224 GBP
As of October 30, 2026
Save £1,021 GBP (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,246 GBP at Helzberg Diamonds · As of October 31, 2026
View at Helzberg 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 LG840622267 or 840622267. Listed at 15 retailers as of October 30, 2026, with prices from £224 to £1,246, a £1,021 spread on the same certified stone. Helzberg Diamonds lists it at £1,246. 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 angle35.8°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840622267
Dimensions7.55 × 5.09 × 3.41 mm
L/W Ratio1.48
Girdle conditionFaceted
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
7.55 mm5.09 mm1.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840622267
Side View
Table 63.0%Crown 35.8°Girdle: MED-THKPavilion 36.8°Culet: NoneDepth 67.0%

Caratlytics Score

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A+
Exceptional
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: Oct 30
Current: £1,246 GBP|Low: £224 GBP|High: £1,485 GBP|Avg: £661 GBP
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 31, 2026
Retailer 11£224 GBP
Retailer 6£368 GBP
Retailer 13£373 GBP
Retailer 3£391 GBP
Retailer 8£411 GBP
Retailer 2£421 GBP
Retailer 15£433 GBP
Retailer 14£530 GBP
Retailer 9£570 GBP
Retailer 7£687 GBP
Retailer 5£738 GBP
Retailer 12£876 GBP
Retailer 4£1,022 GBP
Retailer 10£1,052 GBP
Helzberg Diamonds£1,246 GBP

15 data points across 15 retailers

15 retailers£224 GBP to £1,246 GBP

A+
Cheapest Retailer
-
£224 GBP
A
Retailer 2
-
£368 GBP
$493 USD
View
A
Retailer 3
-
£373 GBP
ZAR 8,082 ZAR
View
A
Retailer 4
-
£391 GBP
$524 USD
View
A
Retailer 5
-
£411 GBP
View
A
Retailer 6
-
£421 GBP
€537 EUR
View
A
Retailer 7
-
£433 GBP
$580 USD
View
A
Retailer 8
-
£530 GBP
A$1,093 AUD
View
A
Retailer 9
-
£570 GBP
$764 USD
View
B+
Retailer 10
-
£687 GBP
SGD 1,244 SGD
View
B+
Retailer 11
-
£738 GBP
$988 USD
View
B+
Retailer 12
-
£876 GBP
View
Retailer 13
-
£1,022 GBP
$1,370 USD
View
Price last confirmed 12 days ago
B+
Retailer 14
-
£1,052 GBP
$1,410 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMIIIMN · Oct 31
£1,246 GBP
$1,669 USD
View
14 more retailers have this diamond
Prices start from £224 GBPSave up to £1,021 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
£224 GBP