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Cushion|Lab Grown|IGI

2.09ct D SI1 Cushion Lab Grown Diamond

GD • D/SI1 • IGI LG761515275

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

Certificate IGI LG761515275

Diamond specifications and retailer prices

From €250 EUR
$279 USD
As of October 31, 2026
Save €1,308 EUR (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,557 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 standard cut grade and certified by IGI LG761515275 or 761515275. Listed at 11 retailers as of October 31, 2026, with prices from €250 to €1,557, a €1,308 spread on the same certified stone. Brilliant Earth lists it at €1,557. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.09
Carat
D
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle43.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG761515275
Dimensions7.37 × 7.29 × 5.18 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.37 mm7.29 mm2.09 ctD / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG761515275
Side View
Table 65.0%Crown 33°Girdle: STK-THKPavilion 43.8°Culet: NoneDepth 71.1%

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: €1,557 EUR|Low: €250 EUR|High: €1,602 EUR|Avg: €735 EUR|-2.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 7€250 EUR
Retailer 3€338 EUR
Retailer 6€371 EUR
Retailer 5€496 EUR
Retailer 4€521 EUR
Retailer 8€653 EUR
Retailer 9€934 EUR
Retailer 2€1,107 EUR
Brilliant Earth€1,557 EUR

40 data points across 9 retailers

11 retailers€250 EUR to €1,557 EUR

A
Cheapest Retailer
-
€250 EUR
$279 USD
Final sale: no returns
A
Retailer 2
-
€338 EUR
£298 GBP
View
B+
Retailer 3
-
€371 EUR
$415 USD
View
B+
Retailer 4
-
€496 EUR
View
Retailer 5
-
€509 EUR
£448 GBP
View
Price last confirmed 10 days ago
B+
Retailer 6
-
€521 EUR
£458 GBP
View
B+
Retailer 7
-
€653 EUR
$729 USD
View
B
Retailer 8
-
€934 EUR
$1,044 USD
View
B
Retailer 9
-
€1,107 EUR
£974 GBP
View
Retailer 10
-
€1,335 EUR
$1,492 USD
View
Price last confirmed 89 days ago
Most Expensive
B
Brilliant Earth
20614110A · Oct 31
€1,557 EUR
$1,740 USD
View
10 more retailers have this diamond
Prices start from €250 EURSave up to €1,308 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
€250 EUR