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Cushion|Lab Grown|IGI

1.00ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG825639442

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG825639442

Diamond specifications and retailer prices

From €403 EUR
As of November 3, 2026
Save €1,905 EUR (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €2,308 EUR at Brilliant Earth · As of November 3, 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 LG825639442 or 825639442. Listed at 13 retailers as of November 3, 2026, with prices from €403 to €2,308, a €1,905 spread on the same certified stone. Brilliant Earth lists it at €2,308. 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 angle31.7°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825639442
Dimensions7.01 × 5.25 × 3.40 mm
L/W Ratio1.34
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
7.01 mm5.25 mm1.00 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825639442
Side View
Table 58.0%Crown 31.7°Girdle: MED-STKPavilion 36.7°Culet: NoneDepth 64.8%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: €2,308 EUR|Low: €403 EUR|High: €2,317 EUR|Avg: €882 EUR|-0.4%
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€403 EUR
Retailer 7€458 EUR
Retailer 4€488 EUR
Retailer 5€490 EUR
Retailer 9€599 EUR
Retailer 12€643 EUR
Retailer 11€701 EUR
Retailer 8€706 EUR
Retailer 6€727 EUR
Retailer 10€770 EUR
Retailer 3€1,182 EUR
Retailer 2€1,739 EUR
Brilliant Earth€2,308 EUR

21 data points across 13 retailers

13 retailers€403 EUR to €2,308 EUR

A+
Cheapest Retailer
-
€403 EUR
Final sale: no returns
A
Retailer 2
-
€458 EUR
View
A
Retailer 3
-
€488 EUR
View
Retailer 4
-
€490 EUR
View
Price last confirmed 11 days ago
A
Retailer 5
-
€599 EUR
View
A
Retailer 6
-
€643 EUR
View
A
Retailer 7
-
€701 EUR
View
A
Retailer 8
-
€706 EUR
View
A
Retailer 9
-
€727 EUR
View
B+
Retailer 10
-
€770 EUR
View
B+
Retailer 11
-
€1,182 EUR
View
B
Retailer 12
-
€1,739 EUR
View
Most Expensive
B
Brilliant Earth
21545788A · Nov 3
€2,308 EUR
$2,600 USD
View
12 more retailers have this diamond
Prices start from €403 EURSave up to €1,905 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
€403 EUR