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Marquise|Lab Grown|IGI

2.59ct F SI1 Marquise Lab Grown Diamond

ID • F/SI1 • IGI LG821690674

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG821690674

Diamond specifications and retailer prices

From €613 EUR
A$1,058 AUD
As of November 2, 2026
3 retailers carry this diamond
Most expensive: €1,798 EUR at Rare Carat · As of August 17, 2026
View at Rare Carat

About this 2.59ct lab-grown marquise diamond

This 2.59ct lab-grown marquise 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 LG821690674 or 821690674. Listed at 3 retailers as of November 2, 2026. 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 angle33.2°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821690674
Dimensions14.45 × 7.27 × 4.34 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.45 mm7.27 mm2.59 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821690674
Side View
Table 61.0%Crown 33.2°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 59.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: €1,798 EUR|Low: €365 EUR|High: €1,821 EUR|Avg: €746 EUR|-1.3%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 3, 2026
Retailer 4€388 EUR
Retailer 5€459 EUR
Retailer 8€521 EUR
Retailer 6€589 EUR
Retailer 2€613 EUR
Retailer 3€615 EUR
Retailer 9€750 EUR
Retailer 7€874 EUR
Rare Carat€1,798 EUR

19 data points across 9 retailers

3 retailers

Retailer 1
-
€388 EUR
HK$3,400 HKD
Price last confirmed 59 days ago
A
Retailer 2
-
€613 EUR
A$1,058 AUD
View
Most Expensive
Rare Carat
148208-C · Aug 17
€1,798 EUR
$2,017 USD
View
Price last confirmed 77 days ago
2 more retailers have this diamond
Prices start from €613 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 Marquise
€613 EUR