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Radiant|Lab Grown|IGI

1.48ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG818654301

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG818654301

Diamond specifications and retailer prices

From $438 AUD
As of November 4, 2026
Save $3,810 AUD (90%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,704 AUD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.48ct lab-grown radiant diamond

This 1.48ct lab-grown radiant 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 LG818654301 or 818654301. Listed at 19 retailers as of November 4, 2026, with a 871% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle41.5°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818654301
Dimensions7.90 × 5.79 × 3.80 mm
L/W Ratio1.36
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
7.90 mm5.79 mm1.48 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818654301
Side View
Table 66.0%Crown 41.5°Girdle: MED-STKPavilion 36.5°Culet: NoneDepth 65.6%

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: Nov 4
Current: $4,704 AUD|Low: $438 AUD|High: $6,272 AUD|Avg: $1,690 AUD|-0.5%
Rare Carat
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 4, 2026
Retailer 8$438 AUD
Retailer 16$507 AUD
Retailer 2$513 AUD
Retailer 4$543 AUD
Retailer 11$556 AUD
Retailer 15$763 AUD
Retailer 13$887 AUD
Retailer 14$957 AUD
Retailer 9$958 AUD
Retailer 10$1,031 AUD
Retailer 17$1,597 AUD
Retailer 19$1,669 AUD
Retailer 12$1,746 AUD
Retailer 3$1,812 AUD
Retailer 5$1,963 AUD
Retailer 7$2,175 AUD
Retailer 6$2,227 AUD
Retailer 18$4,248 AUD
Rare Carat$4,704 AUD

34 data points across 19 retailers

19 retailers$438 AUD to $4,248 AUD

A+
Cheapest Retailer
-
$438 AUD
A
Retailer 2
-
$507 AUD
View
A
Retailer 3
-
$513 AUD
View
Final sale: no returns
A
Retailer 4
-
$543 AUD
View
Retailer 5
-
$556 AUD
View
Price last confirmed 10 days ago
A
Retailer 6
-
$763 AUD
View
A
Retailer 7
-
$887 AUD
View
A
Retailer 8
-
$957 AUD
View
A
Retailer 9
-
$958 AUD
View
A
Retailer 10
-
$1,031 AUD
View
B+
Retailer 11
-
$1,597 AUD
View
B+
Retailer 12
-
$1,669 AUD
View
B+
Retailer 13
-
$1,746 AUD
View
B+
Retailer 14
-
$1,812 AUD
View
B+
Retailer 15
-
$1,963 AUD
View
B+
Retailer 16
-
$2,175 AUD
View
B+
Retailer 17
-
$2,227 AUD
View
B
Retailer 18
-
$4,248 AUD
View
Most Expensive
Rare Carat
PD-235961 · Oct 21
$4,704 AUD
$3,300 USD
View
Price last confirmed 14 days ago
18 more retailers have this diamond
Prices start from $438 AUDSave up to $3,810 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 Radiant
$438 AUD