Cushion|Lab Grown|IGI

4.52ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG737589073

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG737589073

Diamond specifications and retailer prices

From $5,951 AUD
$4,180 USD
As of October 30, 2026
Save $15,969 AUD (73%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $21,920 AUD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4.52ct lab-grown cushion diamond

This 4.52ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG737589073 or 737589073. Listed at 23 retailers as of October 30, 2026, with prices from $5,951 to $21,920, a $15,969 spread on the same certified stone. Taylor and Hart lists it at $21,920. 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

4.52
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42°
Pavilion angle27.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG737589073
Dimensions11.05 × 8.12 × 5.22 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.05 mm8.12 mm4.52 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG737589073
Side View
Table 69.0%Crown 42°Girdle: STK-THKPavilion 27.6°Culet: NoneDepth 64.3%

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: $16,058 AUD|Low: $5,951 AUD|High: $23,660 AUD|Avg: $11,868 AUD|-32.1%
Retailer 1
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
Taylor and Hart
October 30, 2026
Retailer 6$5,951 AUD
Retailer 15$5,988 AUD
Retailer 5$6,201 AUD
Retailer 8$6,292 AUD
Retailer 13$7,289 AUD
Retailer 3$7,568 AUD
Retailer 12$8,116 AUD
Retailer 18$8,969 AUD
Retailer 9$9,451 AUD
Retailer 11$9,524 AUD
Retailer 16$10,058 AUD
Retailer 2$11,040 AUD
Retailer 14$13,198 AUD
Retailer 17$13,355 AUD
Retailer 19$13,469 AUD
Retailer 20$14,922 AUD
Retailer 10$15,660 AUD
Retailer 1$16,058 AUD
Retailer 7$17,219 AUD
Retailer 4$21,115 AUD
Taylor and Hart$21,920 AUD

37 data points across 21 retailers

23 retailers$5,951 AUD to $21,920 AUD

A
Cheapest Retailer
-
$5,951 AUD
$4,180 USD
A
Retailer 2
-
$5,988 AUD
$4,206 USD
View
Final sale: no returns
Retailer 3
-
$6,201 AUD
$4,356 USD
View
Price last confirmed 18 days ago
A
Retailer 4
-
$6,292 AUD
$4,420 USD
View
A
Retailer 5
-
$7,289 AUD
HK$40,000 HKD
View
A
Retailer 6
-
$7,568 AUD
$5,316 USD
View
A
Retailer 7
-
$8,116 AUD
£4,489 GBP
View
A
Retailer 8
-
$8,969 AUD
$6,300 USD
View
A
Retailer 9
-
$9,451 AUD
$6,639 USD
View
A
Retailer 10
-
$9,524 AUD
£5,268 GBP
View
A
Retailer 11
-
$10,058 AUD
€6,729 EUR
View
Retailer 12
-
$11,040 AUD
$7,755 USD
View
Price last confirmed 12 days ago
Retailer 13
-
$11,232 AUD
$7,890 USD
View
Price last confirmed 32 days ago
A
Retailer 14
-
$13,198 AUD
ZAR 149,775 ZAR
View
A
Retailer 15
-
$13,355 AUD
£7,387 GBP
View
Retailer 16
-
$13,469 AUD
View
Price last confirmed 8 days ago
B+
Retailer 17
-
$14,922 AUD
$10,482 USD
View
B+
Retailer 18
-
$15,660 AUD
$11,000 USD
View
B+
Retailer 19
-
$16,058 AUD
$11,280 USD
View
B+
Retailer 20
-
$16,067 AUD
$11,286 USD
View
B+
Retailer 21
-
$17,219 AUD
$12,095 USD
View
B
Retailer 22
-
$21,115 AUD
SGD 20,043 SGD
View
Most Expensive
B
Taylor and Hart
UNZ1GD7 · Oct 30
$21,920 AUD
$15,398 USD
View
22 more retailers have this diamond
Prices start from $5,951 AUDSave up to $15,969 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
4.52ct Cushion
$5,951 AUD