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 $454 USD
As of October 30, 2026
Save $2,146 USD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,600 USD at Brilliant Earth · As of October 29, 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 29, 2026, with prices from $454 to $2,600, a $2,146 spread on the same certified stone. Brilliant Earth lists it at $2,600. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,600 USD|Low: $454 USD|High: $2,610 USD|Avg: $972 USD|-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
October 31, 2026
Retailer 8$454 USD
Retailer 9$519 USD
Retailer 12$550 USD
Retailer 5$552 USD
Retailer 7$675 USD
Retailer 6$725 USD
Retailer 2$740 USD
Retailer 10$827 USD
Retailer 13$867 USD
Retailer 4$945 USD
Retailer 11$1,333 USD
Retailer 3$2,031 USD
Brilliant Earth$2,600 USD

18 data points across 13 retailers

13 retailers$454 USD to $2,600 USD

A+
Cheapest Retailer
-
$454 USD
Final sale: no returns
A
Retailer 2
-
$519 USD
£409 GBP
View
A
Retailer 3
-
$550 USD
HK$4,300 HKD
View
A
Retailer 4
-
$552 USD
View
A
Retailer 5
-
$675 USD
View
A
Retailer 6
-
$725 USD
View
A
Retailer 7
-
$740 USD
View
A
Retailer 8
-
$827 USD
£651 GBP
View
B+
Retailer 9
-
$867 USD
€826 EUR
View
B+
Retailer 10
-
$945 USD
ZAR 15,269 ZAR
View
B+
Retailer 11
-
$1,333 USD
SGD 1,801 SGD
View
B
Retailer 12
-
$2,031 USD
£1,599 GBP
View
Most Expensive
B
Brilliant Earth
21545788A · Oct 29
$2,600 USD
View
12 more retailers have this diamond
Prices start from $454 USDSave up to $2,146 USD

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
$454 USD