CaratHunter
Plans
Radiant|Lab Grown|IGI

1.45ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG840634776

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

Certificate IGI LG840634776

Diamond specifications and retailer prices

From $433 AUD
$304 USD
As of October 30, 2026
Save $4,222 AUD (91%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $4,655 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840634776 or 840634776. Listed at 22 retailers as of October 29, 2026, with prices from $433 to $4,655, a $4,222 spread on the same certified stone. Brilliant Earth lists it at $4,655. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.9°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634776
Dimensions8.05 × 5.54 × 3.78 mm
L/W Ratio1.45
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
8.05 mm5.54 mm1.45 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634776
Side View
Table 64.0%Crown 46.9°Girdle: STK-THKPavilion 35°Culet: NoneDepth 68.2%

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: Oct 30
Current: $4,655 AUD|Low: $433 AUD|High: $4,655 AUD|Avg: $1,559 AUD
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 30, 2026
Retailer 8$433 AUD
Retailer 20$502 AUD
Retailer 11$515 AUD
Retailer 7$537 AUD
Retailer 19$537 AUD
Retailer 2$570 AUD
Retailer 18$762 AUD
Retailer 22$878 AUD
Retailer 21$902 AUD
Retailer 17$923 AUD
Retailer 13$955 AUD
Retailer 10$991 AUD
Retailer 4$1,571 AUD
Retailer 3$1,651 AUD
Retailer 15$1,680 AUD
Retailer 6$1,727 AUD
Retailer 5$1,794 AUD
Retailer 14$1,970 AUD
Retailer 16$2,166 AUD
Retailer 12$3,835 AUD
Retailer 9$4,277 AUD
Brilliant Earth$4,655 AUD

15 data points across 22 retailers

22 retailers$433 AUD to $4,655 AUD

A
Cheapest Retailer
-
$433 AUD
$304 USD
A
Retailer 2
-
$502 AUD
$353 USD
View
A
Retailer 3
-
$515 AUD
$362 USD
View
Final sale: no returns
A
Retailer 4
-
$537 AUD
$377 USD
View
A
Retailer 5
-
$537 AUD
$377 USD
View
A
Retailer 6
-
$570 AUD
£315 GBP
View
A
Retailer 7
-
$762 AUD
$535 USD
View
A
Retailer 8
-
$878 AUD
$617 USD
View
A
Retailer 9
-
$902 AUD
$634 USD
View
A
Retailer 10
-
$923 AUD
ZAR 10,478 ZAR
View
A
Retailer 11
-
$955 AUD
£528 GBP
View
A
Retailer 12
-
$991 AUD
€663 EUR
View
B+
Retailer 13
-
$1,571 AUD
$1,104 USD
View
B+
Retailer 14
-
$1,651 AUD
$1,160 USD
View
B+
Retailer 15
-
$1,680 AUD
$1,180 USD
View
B+
Retailer 16
-
$1,727 AUD
$1,213 USD
View
B+
Retailer 17
-
$1,794 AUD
$1,261 USD
View
B+
Retailer 18
-
$1,970 AUD
SGD 1,870 SGD
View
B+
Retailer 19
-
$2,166 AUD
£1,198 GBP
View
B
Retailer 20
-
$3,835 AUD
$2,694 USD
View
Retailer 21
-
$4,277 AUD
$3,005 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
22142709A · Oct 29
$4,655 AUD
$3,270 USD
View
21 more retailers have this diamond
Prices start from $433 AUDSave up to $4,222 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
$433 AUD