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Cushion|Lab Grown|IGI

1.03ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG731566595

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG731566595

Diamond specifications and retailer prices

From £193 GBP
$259 USD
As of October 30, 2026
Save £1,471 GBP (88%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,664 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore 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 LG731566595 or 731566595. Listed at 15 retailers as of October 30, 2026, with prices from £193 to £1,664, a £1,471 spread on the same certified stone. Do Amore Diamonds lists it at £1,664. 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 angle31.9°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731566595
Dimensions6.97 × 5.37 × 3.64 mm
L/W Ratio1.30
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
6.97 mm5.37 mm1.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731566595
Side View
Table 59.0%Crown 31.9°Girdle: MED-THKPavilion 38.5°Culet: NoneDepth 67.8%

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: £1,664 GBP|Low: £193 GBP|High: £1,664 GBP|Avg: £635 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 15
October 31, 2026
Retailer 5£193 GBP
Retailer 15£215 GBP
Retailer 8£245 GBP
Retailer 11£315 GBP
Retailer 3£336 GBP
Retailer 7£364 GBP
Retailer 13£389 GBP
Retailer 10£408 GBP
Retailer 2£453 GBP
Retailer 6£763 GBP
Retailer 4£890 GBP
Retailer 9£956 GBP
Retailer 12£963 GBP
Retailer 14£967 GBP
Do Amore Diamonds£1,664 GBP

38 data points across 15 retailers

15 retailers£193 GBP to £1,664 GBP

A
Cheapest Retailer
-
£193 GBP
$259 USD
Final sale: no returns
A
Retailer 2
-
£215 GBP
$288 USD
View
A
Retailer 3
-
£245 GBP
View
A
Retailer 4
-
£315 GBP
HK$3,300 HKD
View
A
Retailer 5
-
£336 GBP
$450 USD
View
A
Retailer 6
-
£364 GBP
$488 USD
View
A
Retailer 7
-
£389 GBP
$521 USD
View
A
Retailer 8
-
£408 GBP
ZAR 8,828 ZAR
View
A
Retailer 9
-
£453 GBP
View
B+
Retailer 10
-
£763 GBP
SGD 1,382 SGD
View
B+
Retailer 11
-
£890 GBP
$1,192 USD
View
B+
Retailer 12
-
£956 GBP
View
Retailer 13
-
£963 GBP
$1,290 USD
View
Price last confirmed 12 days ago
B+
Retailer 14
-
£967 GBP
$1,296 USD
View
Most Expensive
B
Do Amore Diamonds
27-B1B8B25EA · Oct 30
£1,664 GBP
$2,230 USD
View
14 more retailers have this diamond
Prices start from £193 GBPSave up to £1,471 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
£193 GBP