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Cushion|Lab Grown|IGI

2.09ct D SI1 Cushion Lab Grown Diamond

EX • D/SI1 • IGI LG678583303

Shape and cutting style on the report: Cushion mixed cut

Certificate IGI LG678583303

Diamond specifications and retailer prices

From €388 EUR
$434 USD
As of October 29, 2026
Save €2,852 EUR (88%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €3,240 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 2.09ct lab-grown cushion diamond

This 2.09ct lab-grown cushion sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG678583303 or 678583303. Listed at 8 retailers as of October 29, 2026, with prices from €388 to €3,240, a €2,852 spread on the same certified stone. Do Amore Diamonds lists it at €3,240. 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

2.09
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678583303
Dimensions9.23 × 6.07 × 3.91 mm
L/W Ratio1.52
Culet sizeLarge
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
9.23 mm6.07 mm2.09 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678583303
Side View
Table 62.0%Crown 37.5°Girdle: MED-THKPavilionCulet: LargeDepth 64.4%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: €3,240 EUR|Low: €373 EUR|High: €3,240 EUR|Avg: €1,334 EUR
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 6€388 EUR
Retailer 9€435 EUR
Retailer 7€757 EUR
Retailer 4€761 EUR
Retailer 11€829 EUR
Retailer 10€940 EUR
Retailer 5€1,352 EUR
Retailer 8€1,710 EUR
Retailer 2€1,964 EUR
Retailer 3€2,226 EUR
Do Amore Diamonds€3,240 EUR

19 data points across 11 retailers

8 retailers€388 EUR to €3,240 EUR

A
Cheapest Retailer
-
€388 EUR
$434 USD
A
Retailer 2
-
€435 EUR
$486 USD
View
B+
Retailer 3
-
€757 EUR
$846 USD
View
B+
Retailer 4
-
€761 EUR
$850 USD
View
B
Retailer 5
-
€1,352 EUR
$1,510 USD
View
B
Retailer 6
-
€1,710 EUR
$1,910 USD
View
B
Retailer 7
-
€1,964 EUR
£1,728 GBP
View
Most Expensive
B
Do Amore Diamonds
7-1675292 · Oct 31
€3,240 EUR
$3,620 USD
View
7 more retailers have this diamond
Prices start from €388 EURSave up to €2,852 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
2.09ct Cushion
€388 EUR