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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 €406 EUR
$454 USD
As of October 30, 2026
Save €1,921 EUR (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €2,327 EUR at Brilliant Earth · As of October 31, 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 October 30, 2026, with prices from €406 to €2,327, a €1,921 spread on the same certified stone. Brilliant Earth lists it at €2,327. 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
Color
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: Oct 30
Current: €2,327 EUR|Low: €406 EUR|High: €2,336 EUR|Avg: €876 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 1, 2026
Retailer 12€406 EUR
Retailer 6€464 EUR
Retailer 3€493 EUR
Retailer 5€494 EUR
Retailer 11€604 EUR
Retailer 10€649 EUR
Retailer 9€662 EUR
Retailer 8€708 EUR
Retailer 7€740 EUR
Retailer 4€846 EUR
Retailer 13€1,193 EUR
Retailer 2€1,759 EUR
Brilliant Earth€2,327 EUR

19 data points across 13 retailers

13 retailers€406 EUR to €2,327 EUR

A+
Cheapest Retailer
-
€406 EUR
$454 USD
Final sale: no returns
A
Retailer 2
-
€464 EUR
£408 GBP
View
A
Retailer 3
-
€493 EUR
HK$4,300 HKD
View
A
Retailer 4
-
€494 EUR
$552 USD
View
A
Retailer 5
-
€604 EUR
$675 USD
View
A
Retailer 6
-
€649 EUR
$725 USD
View
A
Retailer 7
-
€662 EUR
$740 USD
View
A
Retailer 8
-
€708 EUR
View
A
Retailer 9
-
€740 EUR
£651 GBP
View
B+
Retailer 10
-
€846 EUR
ZAR 15,269 ZAR
View
B+
Retailer 11
-
€1,193 EUR
SGD 1,801 SGD
View
B
Retailer 12
-
€1,759 EUR
£1,547 GBP
View
Most Expensive
B
Brilliant Earth
21545788A · Oct 31
€2,327 EUR
$2,600 USD
View
12 more retailers have this diamond
Prices start from €406 EURSave up to €1,921 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
€406 EUR