CaratHunter
Plans
Cushion|Lab Grown|IGI

1.09ct F SI1 Cushion Lab Grown Diamond

EX • F/SI1 • IGI LG499114270

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG499114270

Diamond specifications and retailer prices

From €1,021 EUR
$1,141 USD
As of October 30, 2026
1 retailer carries this diamond
Only listing: €1,021 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 1.09ct lab-grown cushion diamond

This 1.09ct lab-grown cushion sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG499114270 or 499114270. 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

1.09
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.7°
Pavilion angle31.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499114270
Dimensions6.26 × 5.67 mm
L/W Ratio1.10
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
6.26 mm5.67 mm1.09 ctF / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG499114270
Side View
Table 69.5%Crown 37.7°Girdle: THN-VTKPavilion 31.4°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
C
Average
Compare with similar diamonds
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €1,021 EUR|Low: €973 EUR|High: €1,689 EUR|Avg: €1,245 EUR|-39.5%
September 23, 2026
B2C Jewels€1,021 EUR

4 data points across 1 retailer

1 retailer

C
B2C Jewels
20034345 · Oct 30
€1,021 EUR
$1,141 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.

C
1.09ct Cushion
€1,021 EUR