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Radiant|Lab Grown|IGI

1.45ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG825657802

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

Certificate IGI LG825657802

Diamond specifications and retailer prices

From $380 AUD
$267 USD
As of October 30, 2026
Save $3,649 AUD (91%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,584 AUD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.45ct lab-grown radiant diamond

This 1.45ct 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 LG825657802 or 825657802. Listed at 14 retailers as of October 30, 2026, with a 960% 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

1.45
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825657802
Dimensions8.15 × 5.60 × 3.81 mm
L/W Ratio1.46
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
8.15 mm5.60 mm1.45 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825657802
Side View
Table 65.0%Crown 39°Girdle: MediumPavilion 36.7°Culet: NoneDepth 68.0%

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: $4,584 AUD|Low: $380 AUD|High: $6,107 AUD|Avg: $1,943 AUD|-0.3%
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
October 30, 2026
Retailer 13$380 AUD
Retailer 4$441 AUD
Retailer 10$490 AUD
Retailer 17$784 AUD
Retailer 12$819 AUD
Retailer 14$841 AUD
Retailer 6$1,222 AUD
Retailer 7$1,261 AUD
Retailer 16$1,449 AUD
Retailer 8$1,597 AUD
Retailer 18$1,674 AUD
Retailer 3$1,714 AUD
Retailer 11$2,099 AUD
Retailer 9$2,492 AUD
Retailer 15$3,374 AUD
Retailer 5$3,478 AUD
Retailer 2$4,029 AUD
Rare Carat$4,584 AUD

19 data points across 18 retailers

14 retailers$380 AUD to $4,029 AUD

A+
Cheapest Retailer
-
$380 AUD
$267 USD
A
Retailer 2
-
$441 AUD
$310 USD
View
A
Retailer 3
-
$784 AUD
$551 USD
View
A
Retailer 4
-
$819 AUD
$575 USD
View
A
Retailer 5
-
$841 AUD
$591 USD
View
Retailer 6
-
$1,261 AUD
ZAR 14,308 ZAR
View
Price last confirmed 49 days ago
B+
Retailer 7
-
$1,449 AUD
$1,018 USD
View
B+
Retailer 8
-
$1,674 AUD
$1,176 USD
View
B+
Retailer 9
-
$1,714 AUD
$1,204 USD
View
B+
Retailer 10
-
$2,099 AUD
£1,161 GBP
View
B
Retailer 11
-
$3,374 AUD
$2,370 USD
View
B
Retailer 12
-
$3,478 AUD
$2,443 USD
View
B
Retailer 13
-
$4,029 AUD
$2,830 USD
View
Most Expensive
Rare Carat
PE-236930 · Oct 21
$4,584 AUD
$3,220 USD
View
Price last confirmed 9 days ago
13 more retailers have this diamond
Prices start from $380 AUDSave up to $3,649 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+
1.45ct Radiant
$380 AUD