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Cushion|Lab Grown|IGI

2.59ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG598310122

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG598310122

Diamond specifications and retailer prices

From €499 EUR
$560 USD
As of October 31, 2026
Save €2,086 EUR (81%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €2,586 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 2.59ct lab-grown cushion diamond

This 2.59ct lab-grown cushion sits in the two to three carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG598310122 or 598310122. Listed at 6 retailers as of October 31, 2026, with prices from €499 to €2,586, a €2,086 spread on the same certified stone. Do Amore Diamonds lists it at €2,586. 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

2.59
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598310122
Dimensions8.01 × 7.92 × 5.23 mm
L/W Ratio1.01
Girdle conditionFaceted
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
8.01 mm7.92 mm2.59 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598310122
Side View
Table 62.0%Crown 33.7°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 66.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €2,586 EUR|Low: €499 EUR|High: €2,693 EUR|Avg: €1,515 EUR|-4.0%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 2€499 EUR
Retailer 4€584 EUR
Retailer 5€1,105 EUR
Retailer 3€1,565 EUR
Retailer 6€1,908 EUR
Do Amore Diamonds€2,586 EUR

18 data points across 6 retailers

6 retailers€499 EUR to €2,586 EUR

A
Cheapest Retailer
-
€499 EUR
$560 USD
B+
Retailer 2
-
€584 EUR
$655 USD
View
B+
Retailer 3
-
€1,105 EUR
$1,240 USD
View
B+
Retailer 4
-
€1,565 EUR
£1,382 GBP
View
B
Retailer 5
-
€1,908 EUR
$2,140 USD
View
Most Expensive
B
Do Amore Diamonds
27-FAB9301D8 · Oct 31
€2,586 EUR
$2,900 USD
View
5 more retailers have this diamond
Prices start from €499 EURSave up to €2,086 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.

A
2.59ct Cushion
€499 EUR