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Cushion|Lab Grown|IGI

2.80ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG811629357

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG811629357

Diamond specifications and retailer prices

From €1,480 EUR
$1,653 USD
As of October 30, 2026
Save €5,135 EUR (78%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €6,615 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.8ct lab-grown cushion diamond

This 2.8ct lab-grown cushion sits in the two to three carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811629357 or 811629357. Listed at 6 retailers as of October 30, 2026, with prices from €1,480 to €6,615, a €5,135 spread on the same certified stone. Brilliant Earth lists it at €6,615. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.80
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811629357
Dimensions8.01 × 7.85 × 5.39 mm
L/W Ratio1.02
Girdle conditionFaceted
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
8.01 mm7.85 mm2.80 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811629357
Side View
Table 58.0%Crown 34.3°Girdle: MED-STKPavilion 37.7°Culet: NoneDepth 68.7%

Caratlytics Score

How it works →
A+
Exceptional
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 30
Current: €6,615 EUR|Low: €1,480 EUR|High: €10,356 EUR|Avg: €4,248 EUR|-35.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 4€1,480 EUR
Retailer 5€2,009 EUR
Retailer 2€2,301 EUR
Retailer 6€2,991 EUR
Retailer 3€4,092 EUR
Brilliant Earth€6,615 EUR

31 data points across 6 retailers

6 retailers€1,480 EUR to €6,615 EUR

A+
Cheapest Retailer
-
€1,480 EUR
$1,653 USD
A
Retailer 2
-
€2,009 EUR
$2,244 USD
View
A
Retailer 3
-
€2,301 EUR
$2,571 USD
View
A
Retailer 4
-
€2,991 EUR
View
B+
Retailer 5
-
€4,092 EUR
£3,600 GBP
View
Most Expensive
B
Brilliant Earth
20556109A · Oct 30
€6,615 EUR
$7,390 USD
View
5 more retailers have this diamond
Prices start from €1,480 EURSave up to €5,135 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+
2.80ct Cushion
€1,480 EUR