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Cushion|Lab Grown|IGI

1.00ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG816624108

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

Certificate IGI LG816624108

Diamond specifications and retailer prices

From €323 EUR
As of November 3, 2026
Save €1,417 EUR (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €1,740 EUR at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1ct lab-grown cushion diamond

This 1ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816624108 or 816624108. Listed at 13 retailers as of November 3, 2026, with prices from €323 to €1,740, a €1,417 spread on the same certified stone. Brilliant Earth lists it at €1,740. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816624108
Dimensions5.94 × 5.76 × 3.74 mm
L/W Ratio1.03
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
5.94 mm5.76 mm1.00 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816624108
Side View
Table 62.0%Crown 36.3°Girdle: MED-STKPavilion 38.3°Culet: NoneDepth 64.9%

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: Nov 3
Current: €1,740 EUR|Low: €323 EUR|High: €2,308 EUR|Avg: €872 EUR|-24.6%
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 5, 2026
Retailer 13€323 EUR
Retailer 5€369 EUR
Retailer 12€518 EUR
Retailer 8€519 EUR
Retailer 2€569 EUR
Retailer 3€580 EUR
Retailer 10€580 EUR
Retailer 9€618 EUR
Retailer 7€1,085 EUR
Retailer 4€1,180 EUR
Retailer 6€1,296 EUR
Retailer 11€1,415 EUR
Brilliant Earth€1,740 EUR

37 data points across 13 retailers

13 retailers€323 EUR to €1,740 EUR

A
Cheapest Retailer
-
€323 EUR
Final sale: no returns
Retailer 2
-
€369 EUR
View
Price last confirmed 24 days ago
A
Retailer 3
-
€518 EUR
View
A
Retailer 4
-
€519 EUR
View
A
Retailer 5
-
€569 EUR
View
A
Retailer 6
-
€580 EUR
View
A
Retailer 7
-
€580 EUR
View
A
Retailer 8
-
€618 EUR
View
B+
Retailer 9
-
€1,085 EUR
View
B+
Retailer 10
-
€1,180 EUR
View
B+
Retailer 11
-
€1,296 EUR
View
B
Retailer 12
-
€1,415 EUR
View
Most Expensive
B
Brilliant Earth
21018360A · Nov 4
€1,740 EUR
$1,960 USD
View
12 more retailers have this diamond
Prices start from €323 EURSave up to €1,417 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
1.00ct Cushion
€323 EUR