CaratHunter
Plans
Cushion|Lab Grown|IGI

1.02ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG818659238

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG818659238

Diamond specifications and retailer prices

From $584 AUD
$410 USD
As of October 26, 2026
Save $2,662 AUD (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,246 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.02ct lab-grown cushion diamond

This 1.02ct 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 LG818659238 or 818659238. Listed at 14 retailers as of October 26, 2026, with prices from $584 to $3,246, a $2,662 spread on the same certified stone. Brilliant Earth lists it at $3,246. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818659238
Dimensions7.14 × 5.01 × 3.58 mm
L/W Ratio1.43
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
7.14 mm5.01 mm1.02 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818659238
Side View
Table 60.0%Crown 33.5°Girdle: THK-VTKPavilion 35.4°Culet: NoneDepth 71.5%

Caratlytics Score

How it works →
A
Excellent
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 26
Current: $3,246 AUD|Low: $584 AUD|High: $3,787 AUD|Avg: $1,587 AUD|-14.3%
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
Retailer 14
November 1, 2026
Retailer 13$584 AUD
Retailer 10$649 AUD
Retailer 12$878 AUD
Retailer 9$883 AUD
Retailer 7$1,024 AUD
Retailer 3$1,036 AUD
Retailer 8$1,114 AUD
Retailer 2$1,170 AUD
Retailer 4$1,619 AUD
Retailer 5$1,717 AUD
Retailer 6$1,936 AUD
Retailer 14$2,141 AUD
Retailer 11$2,537 AUD
Brilliant Earth$3,246 AUD

42 data points across 14 retailers

14 retailers$584 AUD to $3,246 AUD

A
Cheapest Retailer
-
$584 AUD
$410 USD
Final sale: no returns
Retailer 2
-
$649 AUD
$456 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$878 AUD
$617 USD
View
A
Retailer 4
-
$883 AUD
$620 USD
View
A
Retailer 5
-
$1,024 AUD
€685 EUR
View
A
Retailer 6
-
$1,036 AUD
$728 USD
View
A
Retailer 7
-
$1,114 AUD
ZAR 12,647 ZAR
View
A
Retailer 8
-
$1,170 AUD
£647 GBP
View
B+
Retailer 9
-
$1,619 AUD
$1,137 USD
View
B+
Retailer 10
-
$1,717 AUD
SGD 1,630 SGD
View
B+
Retailer 11
-
$1,936 AUD
$1,360 USD
View
B+
Retailer 12
-
$2,141 AUD
$1,504 USD
View
Retailer 13
-
$2,537 AUD
£1,403 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
Brilliant Earth
21421114A · Oct 31
$3,246 AUD
$2,280 USD
View
13 more retailers have this diamond
Prices start from $584 AUDSave up to $2,662 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
1.02ct Cushion
$584 AUD