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Cushion|Lab Grown|IGI

1.03ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG745506905

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG745506905

Diamond specifications and retailer prices

From £213 GBP
As of October 30, 2026
Save £1,274 GBP (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,487 GBP at Yadav Diamonds · As of October 30, 2026
View at Yadav 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 LG745506905 or 745506905. Listed at 13 retailers as of October 30, 2026, with prices from £213 to £1,487, a £1,274 spread on the same certified stone. Yadav Diamonds lists it at £1,487. 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 angle38.1°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG745506905
Dimensions5.91 × 5.91 × 5.76 mm
L/W Ratio1.00
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
5.91 mm5.91 mm1.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG745506905
Side View
Table 60.0%Crown 38.1°Girdle: STK-THKPavilion 39.1°Culet: NoneDepth 68.8%

Caratlytics Score

How it works →
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: £1,045 GBP|Low: £213 GBP|High: £1,537 GBP|Avg: £781 GBP|-31.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Yadav Diamonds
October 30, 2026
Retailer 6£213 GBP
Retailer 9£297 GBP
Retailer 11£325 GBP
Retailer 4£340 GBP
Retailer 7£355 GBP
Retailer 8£504 GBP
Retailer 12£640 GBP
Retailer 3£848 GBP
Retailer 2£963 GBP
Retailer 1£1,045 GBP
Retailer 5£1,073 GBP
Retailer 10£1,448 GBP
Yadav Diamonds£1,487 GBP

27 data points across 13 retailers

13 retailers£213 GBP to £1,487 GBP

A+
Cheapest Retailer
-
£213 GBP
A
Retailer 2
-
£297 GBP
$398 USD
View
A
Retailer 3
-
£325 GBP
$435 USD
View
A
Retailer 4
-
£340 GBP
$456 USD
View
A
Retailer 5
-
£355 GBP
€453 EUR
View
A
Retailer 6
-
£504 GBP
A$1,039 AUD
View
A
Retailer 7
-
£640 GBP
$858 USD
View
Retailer 8
-
£848 GBP
View
Price last confirmed 9 days ago
Retailer 9
-
£963 GBP
$1,290 USD
View
Price last confirmed 12 days ago
B+
Retailer 10
-
£1,045 GBP
$1,400 USD
View
B+
Retailer 11
-
£1,073 GBP
A$2,211 AUD
View
B
Retailer 12
-
£1,448 GBP
$1,940 USD
View
Most Expensive
B
Yadav Diamonds
13310682 · Oct 30
£1,487 GBP
$1,993 USD
View
12 more retailers have this diamond
Prices start from £213 GBPSave up to £1,274 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
£213 GBP