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Cushion|Lab Grown|IGI

2.53ct G SI1 Cushion Lab Grown Diamond

ID • G/SI1 • IGI LG526272317

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG526272317

Diamond specifications and retailer prices

From €1,781 EUR
$1,990 USD
As of October 31, 2026
Save €3,743 EUR (68%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €6,510 EUR at Loose Grown Diamond · As of October 26, 2026
View at Loose Grown Diamond

About this 2.53ct lab-grown cushion diamond

This 2.53ct lab-grown cushion sits in the two to three carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG526272317 or 526272317. Listed at 10 retailers as of October 31, 2026, with a 210% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.53
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle29.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526272317
Dimensions8.22 × 7.44 × 4.62 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.22 mm7.44 mm2.53 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG526272317
Side View
Table 64.0%Crown 32.6°Girdle: THK-VTKPavilion 29.9°Culet: NoneDepth 62.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €6,510 EUR|Low: €1,781 EUR|High: €9,113 EUR|Avg: €5,253 EUR
Loose Grown Diamond
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 6€1,781 EUR
Retailer 7€4,059 EUR
Retailer 5€4,204 EUR
Retailer 3€5,524 EUR
Retailer 2€5,678 EUR
Loose Grown Diamond€6,510 EUR
Retailer 4€9,053 EUR

44 data points across 7 retailers

10 retailers€1,781 EUR to €5,524 EUR

B
Cheapest Retailer
-
€1,781 EUR
$1,990 USD
B
Retailer 2
-
€3,825 EUR
$4,273 USD
View
B
Retailer 3
-
€4,059 EUR
$4,535 USD
View
Final sale: no returns
Retailer 4
-
€4,204 EUR
$4,697 USD
View
Price last confirmed 19 days ago
B
Retailer 5
-
€4,252 EUR
$4,750 USD
View
B
Retailer 6
-
€5,524 EUR
£4,859 GBP
View
Retailer 7
-
€5,678 EUR
£4,995 GBP
View
Price under review
Most Expensive
Loose Grown Diamond
526272317 · Oct 26
€6,510 EUR
$7,273 USD
View
Price under review
7 more retailers have this diamond
Prices start from €1,781 EURSave up to €3,743 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.

B
2.53ct Cushion
€1,781 EUR