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Cushion|Lab Grown|IGI

1.53ct F IF Cushion Lab Grown Diamond

EX • F/IF • IGI LG729517103

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

Certificate IGI LG729517103

Diamond specifications and retailer prices

From €552 EUR
$619 USD
As of October 30, 2026
Save €813 EUR (60%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €1,632 EUR at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.53ct lab-grown cushion diamond

This 1.53ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG729517103 or 729517103. Listed at 9 retailers as of October 29, 2026, with a 147% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
F
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729517103
Dimensions6.60 × 6.60 × 4.50 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
6.60 mm6.60 mm1.53 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729517103
Side View
Table 58.0%Crown 36.4°Girdle: STK-THKPavilion 39.3°Culet: NoneDepth 68.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €1,632 EUR|Low: €520 EUR|High: €1,655 EUR|Avg: €968 EUR|-1.4%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 10€524 EUR
Retailer 6€552 EUR
Retailer 5€570 EUR
Retailer 2€597 EUR
Retailer 4€918 EUR
Retailer 7€1,064 EUR
Retailer 8€1,131 EUR
Retailer 9€1,332 EUR
Retailer 3€1,364 EUR
Rare Carat€1,632 EUR

41 data points across 10 retailers

9 retailers€552 EUR to €1,364 EUR

A
Cheapest Retailer
-
€552 EUR
$619 USD
A
Retailer 2
-
€570 EUR
$639 USD
View
A
Retailer 3
-
€597 EUR
£528 GBP
View
A
Retailer 4
-
€918 EUR
$1,030 USD
View
A
Retailer 5
-
€1,064 EUR
$1,193 USD
View
A
Retailer 6
-
€1,131 EUR
$1,268 USD
View
Retailer 7
-
€1,332 EUR
A$2,299 AUD
View
Price last confirmed 28 days ago
A
Retailer 8
-
€1,364 EUR
£1,205 GBP
View
Most Expensive
Rare Carat
SKD-52028 · Oct 21
€1,632 EUR
$1,830 USD
View
Price last confirmed 12 days ago
8 more retailers have this diamond
Prices start from €552 EURSave up to €813 EUR

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
1.53ct Cushion
€552 EUR