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Cushion|Lab Grown|IGI

1.48ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG816616018

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG816616018

Diamond specifications and retailer prices

From $791 AUD
$554 USD
As of November 3, 2026
Save $3,519 AUD (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,309 AUD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.48ct lab-grown cushion diamond

This 1.48ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816616018 or 816616018. Listed at 15 retailers as of November 2, 2026, with prices from $791 to $4,309, a $3,519 spread on the same certified stone. Brilliant Earth lists it at $4,309. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.48
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816616018
Dimensions8.34 × 5.83 × 3.80 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
8.34 mm5.83 mm1.48 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816616018
Side View
Table 58.0%Crown 35.4°Girdle: MED-THKPavilion 34.3°Culet: NoneDepth 65.2%

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: Nov 3
Current: $4,309 AUD|Low: $791 AUD|High: $5,465 AUD|Avg: $2,261 AUD|-21.1%
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
Retailer 15
November 3, 2026
Retailer 15$791 AUD
Retailer 7$959 AUD
Retailer 11$1,260 AUD
Retailer 12$1,270 AUD
Retailer 3$1,311 AUD
Retailer 2$1,394 AUD
Retailer 9$1,449 AUD
Retailer 13$1,681 AUD
Retailer 8$1,973 AUD
Retailer 14$2,742 AUD
Retailer 6$2,783 AUD
Retailer 4$2,912 AUD
Retailer 10$3,086 AUD
Retailer 5$3,232 AUD
Brilliant Earth$4,309 AUD

39 data points across 15 retailers

15 retailers$791 AUD to $4,309 AUD

A
Cheapest Retailer
-
$791 AUD
$554 USD
Final sale: no returns
Retailer 2
-
$959 AUD
$672 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$1,260 AUD
€841 EUR
View
A
Retailer 4
-
$1,270 AUD
$890 USD
View
A
Retailer 5
-
$1,311 AUD
$919 USD
View
A
Retailer 6
-
$1,394 AUD
£769 GBP
View
A
Retailer 7
-
$1,449 AUD
ZAR 16,404 ZAR
View
A
Retailer 8
-
$1,681 AUD
$1,178 USD
View
B+
Retailer 9
-
$1,973 AUD
$1,383 USD
View
B+
Retailer 10
-
$2,742 AUD
$1,922 USD
View
Retailer 11
-
$2,783 AUD
£1,536 GBP
View
Price last confirmed 12 days ago
B+
Retailer 12
-
$2,912 AUD
SGD 2,758 SGD
View
B+
Retailer 13
-
$3,086 AUD
£1,703 GBP
View
B+
Retailer 14
-
$3,232 AUD
$2,265 USD
View
Most Expensive
B
Brilliant Earth
21434570A · Nov 2
$4,309 AUD
$3,020 USD
View
14 more retailers have this diamond
Prices start from $791 AUDSave up to $3,519 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
1.48ct Cushion
$791 AUD