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Round|Lab Grown|IGI

1.45ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG836617709

Shape and cutting style on the report: Round brilliant

Certificate IGI LG836617709

Diamond specifications and retailer prices

From $483 AUD
$339 USD
As of October 30, 2026
Save $3,068 AUD (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,550 AUD at Helzberg Diamonds · As of October 29, 2026
View at Helzberg Diamonds

About this 1.45ct lab-grown round diamond

This 1.45ct lab-grown round 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 LG836617709 or 836617709. Listed at 19 retailers as of October 29, 2026, with prices from $483 to $3,550, a $3,068 spread on the same certified stone. Helzberg Diamonds lists it at $3,550. 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 angle34.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836617709
Dimensions7.24 × 7.29 × 4.49 mm
L/W Ratio1.01
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
7.24 mm7.29 mm1.45 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836617709
Side View
Table 55.0%Crown 34.6°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.8%

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: $3,550 AUD|Low: $483 AUD|High: $3,550 AUD|Avg: $1,397 AUD
Helzberg Diamonds
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
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Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 9$483 AUD
Retailer 5$500 AUD
Retailer 6$534 AUD
Retailer 4$840 AUD
Retailer 12$864 AUD
Retailer 15$870 AUD
Retailer 7$873 AUD
Retailer 16$917 AUD
Retailer 13$945 AUD
Retailer 8$1,305 AUD
Retailer 18$1,429 AUD
Retailer 3$1,640 AUD
Retailer 19$1,706 AUD
Retailer 11$1,715 AUD
Retailer 10$1,783 AUD
Retailer 14$2,151 AUD
Retailer 2$2,847 AUD
Retailer 17$2,869 AUD
Helzberg Diamonds$3,550 AUD

26 data points across 19 retailers

19 retailers$483 AUD to $3,550 AUD

A
Cheapest Retailer
-
$483 AUD
$339 USD
Final sale: no returns
A
Retailer 2
-
$500 AUD
$351 USD
View
A
Retailer 3
-
$534 AUD
$375 USD
View
A
Retailer 4
-
$840 AUD
$590 USD
View
A
Retailer 5
-
$864 AUD
£478 GBP
View
A
Retailer 6
-
$870 AUD
€582 EUR
View
A
Retailer 7
-
$873 AUD
$613 USD
View
A
Retailer 8
-
$917 AUD
ZAR 10,409 ZAR
View
A
Retailer 9
-
$945 AUD
£523 GBP
View
A
Retailer 10
-
$1,305 AUD
$917 USD
View
B+
Retailer 11
-
$1,429 AUD
$1,004 USD
View
B+
Retailer 12
-
$1,640 AUD
$1,152 USD
View
B+
Retailer 13
-
$1,706 AUD
SGD 1,619 SGD
View
B+
Retailer 14
-
$1,715 AUD
$1,205 USD
View
B+
Retailer 15
-
$1,783 AUD
$1,253 USD
View
B+
Retailer 16
-
$2,151 AUD
£1,190 GBP
View
B+
Retailer 17
-
$2,847 AUD
$2,000 USD
View
B
Retailer 18
-
$2,869 AUD
$2,015 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOJMMHNNGP · Oct 29
$3,550 AUD
$2,494 USD
View
18 more retailers have this diamond
Prices start from $483 AUDSave up to $3,068 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 Round
$483 AUD