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Cushion|Lab Grown|IGI

1.41ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG515211276

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG515211276

Diamond specifications and retailer prices

From €178 EUR
$199 USD
As of October 30, 2026
Save €789 EUR (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €967 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.41ct lab-grown cushion diamond

This 1.41ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG515211276 or 515211276. Listed at 13 retailers as of October 30, 2026, with prices from €178 to €967, a €789 spread on the same certified stone. Brilliant Earth lists it at €967. 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

1.41
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG515211276
Dimensions6.58 × 6.45 × 4.22 mm
L/W Ratio1.02
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
6.58 mm6.45 mm1.41 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG515211276
Side View
Table 65.0%Crown 33.7°Girdle: MED-VTKPavilion 37.9°Culet: NoneDepth 65.4%

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 30
Current: €967 EUR|Low: €178 EUR|High: €1,003 EUR|Avg: €494 EUR|-3.6%
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
November 1, 2026
Retailer 13€178 EUR
Retailer 12€198 EUR
Retailer 11€218 EUR
Retailer 7€339 EUR
Retailer 10€350 EUR
Retailer 6€355 EUR
Retailer 9€368 EUR
Retailer 3€426 EUR
Retailer 4€512 EUR
Retailer 5€645 EUR
Retailer 8€788 EUR
Retailer 2€923 EUR
Brilliant Earth€967 EUR

44 data points across 13 retailers

13 retailers€178 EUR to €967 EUR

A
Cheapest Retailer
-
€178 EUR
$199 USD
Final sale: no returns
Retailer 2
-
€198 EUR
$221 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
€218 EUR
HK$1,900 HKD
View
A
Retailer 4
-
€339 EUR
View
B+
Retailer 5
-
€350 EUR
$391 USD
View
A
Retailer 6
-
€355 EUR
£312 GBP
View
Retailer 7
-
€368 EUR
£324 GBP
View
Price last confirmed 18 days ago
A
Retailer 8
-
€426 EUR
$476 USD
View
B+
Retailer 9
-
€512 EUR
$572 USD
View
B
Retailer 10
-
€645 EUR
SGD 974 SGD
View
Retailer 11
-
€788 EUR
$880 USD
View
Price last confirmed 11 days ago
B
Retailer 12
-
€923 EUR
£812 GBP
View
Most Expensive
B
Brilliant Earth
19056475A · Oct 31
€967 EUR
$1,080 USD
View
12 more retailers have this diamond
Prices start from €178 EURSave up to €789 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
1.41ct Cushion
€178 EUR