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Radiant|Lab Grown|IGI

1.45ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG836619997

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

Certificate IGI LG836619997

Diamond specifications and retailer prices

From $440 AUD
$309 USD
As of October 30, 2026
Save $3,845 AUD (90%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,598 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 LG836619997 or 836619997. Listed at 19 retailers as of October 30, 2026, with a 874% 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 angle40°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836619997
Dimensions7.73 × 5.70 × 3.91 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
7.73 mm5.70 mm1.45 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836619997
Side View
Table 68.0%Crown 40°Girdle: MED-STKPavilion 38°Culet: NoneDepth 68.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,598 AUD|Low: $440 AUD|High: $6,335 AUD|Avg: $1,684 AUD|-1.7%
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
October 30, 2026
Retailer 7$440 AUD
Retailer 17$510 AUD
Retailer 10$527 AUD
Retailer 6$545 AUD
Retailer 16$545 AUD
Retailer 15$769 AUD
Retailer 18$888 AUD
Retailer 14$937 AUD
Retailer 12$968 AUD
Retailer 8$1,009 AUD
Retailer 3$1,537 AUD
Retailer 19$1,676 AUD
Retailer 9$1,714 AUD
Retailer 5$1,752 AUD
Retailer 4$1,819 AUD
Retailer 11$2,011 AUD
Retailer 13$2,197 AUD
Retailer 2$4,285 AUD
Rare Carat$4,598 AUD

35 data points across 19 retailers

19 retailers$440 AUD to $4,285 AUD

A
Cheapest Retailer
-
$440 AUD
$309 USD
A
Retailer 2
-
$510 AUD
$358 USD
View
A
Retailer 3
-
$527 AUD
$370 USD
View
Final sale: no returns
A
Retailer 4
-
$545 AUD
$383 USD
View
A
Retailer 5
-
$545 AUD
$383 USD
View
A
Retailer 6
-
$769 AUD
$540 USD
View
A
Retailer 7
-
$888 AUD
$624 USD
View
A
Retailer 8
-
$937 AUD
ZAR 10,634 ZAR
View
A
Retailer 9
-
$968 AUD
£536 GBP
View
Retailer 10
-
$1,009 AUD
€675 EUR
View
Price last confirmed 7 days ago
B+
Retailer 11
-
$1,537 AUD
$1,080 USD
View
B+
Retailer 12
-
$1,676 AUD
$1,177 USD
View
B+
Retailer 13
-
$1,714 AUD
$1,204 USD
View
B+
Retailer 14
-
$1,752 AUD
$1,231 USD
View
B+
Retailer 15
-
$1,819 AUD
$1,278 USD
View
B+
Retailer 16
-
$2,011 AUD
SGD 1,909 SGD
View
B+
Retailer 17
-
$2,197 AUD
£1,215 GBP
View
B
Retailer 18
-
$4,285 AUD
$3,010 USD
View
Most Expensive
Rare Carat
PD-241676 · Oct 21
$4,598 AUD
$3,230 USD
View
Price last confirmed 10 days ago
18 more retailers have this diamond
Prices start from $440 AUDSave up to $3,845 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
$440 AUD