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Cushion|Lab Grown|IGI

3.05ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG836616559

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

Certificate IGI LG836616559

Diamond specifications and retailer prices

From €1,893 EUR
$2,115 USD
As of October 31, 2026
Save €6,986 EUR (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €8,879 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.05ct lab-grown cushion diamond

This 3.05ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836616559 or 836616559. Listed at 16 retailers as of October 31, 2026, with prices from €1,893 to €8,879, a €6,986 spread on the same certified stone. Brilliant Earth lists it at €8,879. 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

3.05
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836616559
Dimensions8.25 × 8.23 × 5.17 mm
L/W Ratio1.00
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
8.25 mm8.23 mm3.05 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836616559
Side View
Table 65.0%Crown 33.4°Girdle: MED-THKPavilion 34.2°Culet: NoneDepth 62.8%

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 31
Current: €8,879 EUR|Low: €1,893 EUR|High: €8,879 EUR|Avg: €4,612 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 12€1,893 EUR
Retailer 16€2,018 EUR
Retailer 9€2,196 EUR
Retailer 10€2,617 EUR
Retailer 14€2,806 EUR
Retailer 7€2,896 EUR
Retailer 11€3,333 EUR
Retailer 15€3,820 EUR
Retailer 13€4,285 EUR
Retailer 8€4,811 EUR
Retailer 2€5,270 EUR
Retailer 6€6,470 EUR
Retailer 5€7,044 EUR
Retailer 4€7,717 EUR
Retailer 3€8,739 EUR
Brilliant Earth€8,879 EUR

7 data points across 16 retailers

16 retailers€1,893 EUR to €8,879 EUR

A
Cheapest Retailer
-
€1,893 EUR
$2,115 USD
A
Retailer 2
-
€2,018 EUR
$2,255 USD
View
Final sale: no returns
A
Retailer 3
-
€2,196 EUR
£1,932 GBP
View
A
Retailer 4
-
€2,617 EUR
£2,302 GBP
View
A
Retailer 5
-
€2,806 EUR
$3,135 USD
View
A
Retailer 6
-
€2,896 EUR
$3,235 USD
View
A
Retailer 7
-
€3,333 EUR
View
B+
Retailer 8
-
€3,820 EUR
£3,360 GBP
View
B+
Retailer 9
-
€4,285 EUR
ZAR 77,340 ZAR
View
B+
Retailer 10
-
€4,811 EUR
$5,375 USD
View
B+
Retailer 11
-
€5,270 EUR
£4,636 GBP
View
B
Retailer 12
-
€6,470 EUR
$7,228 USD
View
B
Retailer 13
-
€7,044 EUR
SGD 10,634 SGD
View
B
Retailer 14
-
€7,717 EUR
$8,621 USD
View
B
Retailer 15
-
€8,739 EUR
$9,763 USD
View
Most Expensive
B
Brilliant Earth
22310909A · Oct 31
€8,879 EUR
$9,920 USD
View
15 more retailers have this diamond
Prices start from €1,893 EURSave up to €6,986 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
3.05ct Cushion
€1,893 EUR