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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 $646 AUD
$454 USD
As of October 30, 2026
Save $3,055 AUD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,701 AUD 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 $646 to $3,701, a $3,055 spread on the same certified stone. Brilliant Earth lists it at $3,701. 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: Oct 30
Current: $3,701 AUD|Low: $646 AUD|High: $3,716 AUD|Avg: $1,388 AUD|-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 10$646 AUD
Retailer 11$739 AUD
Retailer 13$784 AUD
Retailer 5$786 AUD
Retailer 9$961 AUD
Retailer 8$1,032 AUD
Retailer 7$1,053 AUD
Retailer 6$1,126 AUD
Retailer 2$1,177 AUD
Retailer 4$1,346 AUD
Retailer 12$1,897 AUD
Retailer 3$2,891 AUD
Brilliant Earth$3,701 AUD

19 data points across 13 retailers

13 retailers$646 AUD to $3,701 AUD

A+
Cheapest Retailer
-
$646 AUD
$454 USD
Final sale: no returns
A
Retailer 2
-
$739 AUD
£409 GBP
View
A
Retailer 3
-
$784 AUD
HK$4,300 HKD
View
A
Retailer 4
-
$786 AUD
$552 USD
View
A
Retailer 5
-
$961 AUD
$675 USD
View
A
Retailer 6
-
$1,032 AUD
$725 USD
View
A
Retailer 7
-
$1,053 AUD
$740 USD
View
A
Retailer 8
-
$1,126 AUD
€753 EUR
View
A
Retailer 9
-
$1,177 AUD
£651 GBP
View
B+
Retailer 10
-
$1,346 AUD
ZAR 15,269 ZAR
View
B+
Retailer 11
-
$1,897 AUD
SGD 1,801 SGD
View
B
Retailer 12
-
$2,891 AUD
£1,599 GBP
View
Most Expensive
B
Brilliant Earth
21545788A · Oct 31
$3,701 AUD
$2,600 USD
View
12 more retailers have this diamond
Prices start from $646 AUDSave up to $3,055 AUD

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
$646 AUD