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Cushion|Lab Grown|IGI

2.18ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG614307341

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG614307341

Diamond specifications and retailer prices

From €308 EUR
$344 USD
As of October 31, 2026
Save €1,482 EUR (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €1,790 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.18ct lab-grown cushion diamond

This 2.18ct 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 LG614307341 or 614307341. Listed at 13 retailers as of October 31, 2026, with prices from €308 to €1,790, a €1,482 spread on the same certified stone. Brilliant Earth lists it at €1,790. 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

2.18
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG614307341
Dimensions8.31 × 6.97 × 4.83 mm
L/W Ratio1.19
Girdle conditionFaceted
Culet sizePointed
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
8.31 mm6.97 mm2.18 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG614307341
Side View
Table 64.0%Crown 36.2°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 69.3%

Caratlytics Score

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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: €1,790 EUR|Low: €308 EUR|High: €2,846 EUR|Avg: €862 EUR|-37.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 10€308 EUR
Retailer 7€342 EUR
Retailer 8€458 EUR
Retailer 5€479 EUR
Retailer 4€555 EUR
Retailer 9€597 EUR
Retailer 3€608 EUR
Retailer 6€878 EUR
Retailer 2€1,370 EUR
Brilliant Earth€1,790 EUR

42 data points across 10 retailers

13 retailers€308 EUR to €1,790 EUR

A
Cheapest Retailer
-
€308 EUR
$344 USD
Final sale: no returns
A
Retailer 2
-
€342 EUR
$382 USD
View
B+
Retailer 3
-
€458 EUR
$512 USD
View
A
Retailer 4
-
€479 EUR
$535 USD
View
A
Retailer 5
-
€555 EUR
View
A
Retailer 6
-
€597 EUR
$667 USD
View
A
Retailer 7
-
€608 EUR
£535 GBP
View
A
Retailer 8
-
€720 EUR
$804 USD
View
B+
Retailer 9
-
€878 EUR
$981 USD
View
B+
Retailer 10
-
€1,140 EUR
$1,274 USD
View
B
Retailer 11
-
€1,370 EUR
£1,205 GBP
View
Retailer 12
-
€1,420 EUR
$1,587 USD
View
Price last confirmed 89 days ago
Most Expensive
B
Brilliant Earth
11370890A · Oct 31
€1,790 EUR
$2,000 USD
View
12 more retailers have this diamond
Prices start from €308 EURSave up to €1,482 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
2.18ct Cushion
€308 EUR