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Round|Lab Grown|IGI

4.50ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG724501464

Shape and cutting style on the report: Round brilliant

Certificate IGI LG724501464

Diamond specifications and retailer prices

From $45,227 AUD
£25,015 GBP
As of October 30, 2026
Save $1,994 AUD (4%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $58,884 AUD at 77 Diamonds · As of October 31, 2026
View at 77 Diamonds

About this 4.5ct lab-grown round diamond

This 4.5ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG724501464 or 724501464. Listed at 18 retailers as of October 30, 2026, with a relatively tight 4% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.50
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG724501464
Dimensions10.55 × 10.46 × 6.52 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.55 mm10.46 mm4.50 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG724501464
Side View
Table 57.0%Crown 35.1°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $58,884 AUD|Low: $45,075 AUD|High: $125,848 AUD|Avg: $67,386 AUD|-2.2%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 2$45,227 AUD
Retailer 11$47,221 AUD
Retailer 8$55,952 AUD
Retailer 10$56,289 AUD
Retailer 6$57,439 AUD
Retailer 7$58,302 AUD
77 Diamonds$58,884 AUD
Retailer 9$73,019 AUD
Retailer 4$73,237 AUD
Retailer 3$122,748 AUD
Retailer 5$125,848 AUD

35 data points across 11 retailers

18 retailers$45,227 AUD to $47,221 AUD

B+
Cheapest Retailer
-
$45,227 AUD
£25,015 GBP
Retailer 2
-
$45,532 AUD
$31,984 USD
View
Price last confirmed 34 days ago
Retailer 3
-
$45,532 AUD
$31,984 USD
View
Price last confirmed 13 days ago
B
Retailer 4
-
$47,221 AUD
$33,170 USD
View
Retailer 5
-
$50,260 AUD
$35,305 USD
View
Price last confirmed 13 days ago
Retailer 6
-
$50,260 AUD
$35,305 USD
View
Price last confirmed 33 days ago
Retailer 7
-
$50,662 AUD
$35,587 USD
View
Price last confirmed 38 days ago
Retailer 8
-
$55,952 AUD
$39,303 USD
View
Price under review
Retailer 9
-
$56,289 AUD
$39,540 USD
View
Price under review
Final sale: no returns
Retailer 10
-
$57,439 AUD
$40,348 USD
View
Price under review
Retailer 11
-
$57,498 AUD
$40,389 USD
View
Price under review
Retailer 12
-
$58,302 AUD
$40,954 USD
View
Price under review
Retailer 13
-
$58,302 AUD
$40,954 USD
View
Price under review
Most Expensive
77 Diamonds
RBPUIFS3VPSFPPZ · Oct 31
$58,884 AUD
£32,569 GBP
View
Price under review
13 more retailers have this diamond
Prices start from $45,227 AUDSave up to $1,994 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.

B+
4.50ct Round
$45,227 AUD