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 $7,417 NZD
$4,180 USD
As of October 30, 2026
Save $19,903 NZD (73%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $27,320 NZD 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 $7,417 to $27,320, a $19,903 spread on the same certified stone. Taylor and Hart lists it at $27,320. 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

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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: $20,014 NZD|Low: $7,417 NZD|High: $29,489 NZD|Avg: $14,792 NZD|-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$7,417 NZD
Retailer 15$7,463 NZD
Retailer 5$7,729 NZD
Retailer 8$7,842 NZD
Retailer 13$9,084 NZD
Retailer 3$9,432 NZD
Retailer 12$10,115 NZD
Retailer 18$11,178 NZD
Retailer 9$11,780 NZD
Retailer 11$11,871 NZD
Retailer 16$12,536 NZD
Retailer 2$13,760 NZD
Retailer 14$16,450 NZD
Retailer 17$16,646 NZD
Retailer 19$16,787 NZD
Retailer 20$18,598 NZD
Retailer 10$19,517 NZD
Retailer 1$20,014 NZD
Retailer 7$21,460 NZD
Retailer 4$26,316 NZD
Taylor and Hart$27,320 NZD

37 data points across 21 retailers

23 retailers$7,417 NZD to $27,320 NZD

A
Cheapest Retailer
-
$7,417 NZD
$4,180 USD
A
Retailer 2
-
$7,463 NZD
$4,206 USD
View
Final sale: no returns
Retailer 3
-
$7,729 NZD
$4,356 USD
View
Price last confirmed 18 days ago
A
Retailer 4
-
$7,842 NZD
$4,420 USD
View
A
Retailer 5
-
$9,084 NZD
HK$40,000 HKD
View
A
Retailer 6
-
$9,432 NZD
$5,316 USD
View
A
Retailer 7
-
$10,115 NZD
£4,489 GBP
View
A
Retailer 8
-
$11,178 NZD
$6,300 USD
View
A
Retailer 9
-
$11,780 NZD
$6,639 USD
View
A
Retailer 10
-
$11,871 NZD
£5,268 GBP
View
A
Retailer 11
-
$12,536 NZD
€6,729 EUR
View
Retailer 12
-
$13,760 NZD
$7,755 USD
View
Price last confirmed 12 days ago
Retailer 13
-
$13,999 NZD
$7,890 USD
View
Price last confirmed 33 days ago
A
Retailer 14
-
$16,450 NZD
ZAR 149,775 ZAR
View
A
Retailer 15
-
$16,646 NZD
£7,387 GBP
View
Retailer 16
-
$16,787 NZD
A$14,556 AUD
View
Price last confirmed 9 days ago
B+
Retailer 17
-
$18,598 NZD
$10,482 USD
View
B+
Retailer 18
-
$19,517 NZD
$11,000 USD
View
B+
Retailer 19
-
$20,014 NZD
$11,280 USD
View
B+
Retailer 20
-
$20,025 NZD
$11,286 USD
View
B+
Retailer 21
-
$21,460 NZD
$12,095 USD
View
B
Retailer 22
-
$26,316 NZD
SGD 20,043 SGD
View
Most Expensive
B
Taylor and Hart
UNZ1GD7 · Oct 30
$27,320 NZD
$15,398 USD
View
22 more retailers have this diamond
Prices start from $7,417 NZDSave up to $19,903 NZD

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
$7,417 NZD