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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 $1,990 USD
As of October 31, 2026
Save $4,181 USD (68%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,273 USD at Loose Grown Diamond · As of November 1, 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $7,273 USD|Low: $1,990 USD|High: $10,182 USD|Avg: $5,869 USD
Loose Grown Diamond
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 6$1,990 USD
Retailer 7$4,535 USD
Retailer 5$4,697 USD
Retailer 4$6,171 USD
Retailer 3$6,343 USD
Loose Grown Diamond$7,273 USD
Retailer 2$10,061 USD

44 data points across 7 retailers

10 retailers$1,990 USD to $6,171 USD

B
Cheapest Retailer
-
$1,990 USD
B
Retailer 2
-
$4,273 USD
View
B
Retailer 3
-
$4,535 USD
View
Final sale: no returns
Retailer 4
-
$4,697 USD
View
Price last confirmed 19 days ago
B
Retailer 5
-
$4,750 USD
View
B
Retailer 6
-
$6,171 USD
£4,859 GBP
View
Retailer 7
-
$6,343 USD
£4,995 GBP
View
Price under review
Most Expensive
Loose Grown Diamond
526272317 · Nov 1
$7,273 USD
View
Price under review
7 more retailers have this diamond
Prices start from $1,990 USDSave up to $4,181 USD

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
$1,990 USD