CaratHunter
Plans
Cushion|Lab Grown|IGI

2.57ct H SI1 Cushion Lab Grown Diamond

EX • H/SI1 • IGI LG668459577

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG668459577

Diamond specifications and retailer prices

From €574 EUR
$641 USD
As of October 30, 2026
1 retailer carries this diamond
Only listing: €574 EUR at B2C Jewels
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at B2C Jewels

About this 2.57ct lab-grown cushion diamond

This 2.57ct lab-grown cushion sits in the two to three carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG668459577 or 668459577. Listed at a single retailer as of October 30, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

2.57
Carat
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668459577
Dimensions9.05 × 7.36 mm
L/W Ratio1.23
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.05 mm7.36 mm2.57 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668459577
Side View
Table 66.0%Crown 35.2°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 67.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €574 EUR|Low: €559 EUR|High: €849 EUR|Avg: €658 EUR|-32.4%
September 23, 2026
B2C Jewels€574 EUR

4 data points across 1 retailer

1 retailer

B+
B2C Jewels
26651590 · Oct 30
€574 EUR
$641 USD
View

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+
2.57ct Cushion
€574 EUR