Cushion|Lab Grown|IGI

2.57ct F SI2 Cushion Lab Grown Diamond

GD • F/SI2 • IGI LG529263226

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG529263226

Diamond specifications and retailer prices

From €631 EUR
$705 USD
As of November 1, 2026
Save €1,098 EUR (64%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €1,729 EUR at MOH London · As of October 25, 2026
View at MOH London

About this 2.57ct lab-grown cushion diamond

This 2.57ct lab-grown cushion sits in the two to three carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a standard cut grade and certified by IGI LG529263226 or 529263226. Listed at 8 retailers as of October 25, 2026, with prices from €631 to €1,729, a €1,098 spread on the same certified stone. MOH London lists it at €1,729. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.57
Carat
F
Color
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle32.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG529263226
Dimensions8.61 × 7.25 × 4.84 mm
L/W Ratio1.19
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
8.61 mm7.25 mm2.57 ctF / SI2
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG529263226
Side View
Table 60.5%Crown 37.8°Girdle: MED-THKPavilion 32.6°Culet: NoneDepth 66.8%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: €1,729 EUR|Low: €390 EUR|High: €2,712 EUR|Avg: €1,055 EUR|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 9€390 EUR
Retailer 5€424 EUR
Retailer 4€631 EUR
Retailer 7€662 EUR
Retailer 6€723 EUR
Retailer 2€775 EUR
Retailer 3€1,392 EUR
MOH London€1,729 EUR
Retailer 8€2,712 EUR

39 data points across 9 retailers

8 retailers€631 EUR to €1,729 EUR

Retailer 1
-
€390 EUR
HK$3,400 HKD
Price last confirmed 58 days ago
B+
Retailer 2
-
€631 EUR
$705 USD
View
B+
Retailer 3
-
€662 EUR
$740 USD
View
B+
Retailer 4
-
€723 EUR
$808 USD
View
Retailer 5
-
€772 EUR
£679 GBP
View
Price last confirmed 18 days ago
B+
Retailer 6
-
€775 EUR
£681 GBP
View
B
Retailer 7
-
€1,392 EUR
$1,555 USD
View
Most Expensive
B
MOH London
LG529263226 · Oct 25
€1,729 EUR
£1,521 GBP
View
7 more retailers have this diamond
Prices start from €631 EURSave up to €1,098 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+
2.57ct Cushion
€631 EUR