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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 $4,180 USD
As of October 29, 2026
Save $11,218 USD (73%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $15,398 USD 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 29, 2026, with prices from $4,180 to $15,398, a $11,218 spread on the same certified stone. Taylor and Hart lists it at $15,398. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $11,280 USD|Low: $4,180 USD|High: $16,620 USD|Avg: $8,337 USD|-32.1%
Retailer 1
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Retailer 20
Taylor and Hart
October 30, 2026
Retailer 6$4,180 USD
Retailer 15$4,206 USD
Retailer 5$4,356 USD
Retailer 8$4,420 USD
Retailer 13$5,120 USD
Retailer 3$5,316 USD
Retailer 12$5,701 USD
Retailer 18$6,300 USD
Retailer 9$6,639 USD
Retailer 11$6,690 USD
Retailer 16$7,065 USD
Retailer 2$7,755 USD
Retailer 14$9,271 USD
Retailer 17$9,381 USD
Retailer 19$9,461 USD
Retailer 20$10,482 USD
Retailer 10$11,000 USD
Retailer 1$11,280 USD
Retailer 7$12,095 USD
Retailer 4$14,832 USD
Taylor and Hart$15,398 USD

37 data points across 21 retailers

23 retailers$4,180 USD to $15,398 USD

A
Cheapest Retailer
-
$4,180 USD
A
Retailer 2
-
$4,206 USD
View
Final sale: no returns
Retailer 3
-
$4,356 USD
View
Price last confirmed 17 days ago
A
Retailer 4
-
$4,420 USD
View
A
Retailer 5
-
$5,120 USD
HK$40,000 HKD
View
A
Retailer 6
-
$5,316 USD
View
A
Retailer 7
-
$5,701 USD
£4,489 GBP
View
A
Retailer 8
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$6,300 USD
View
A
Retailer 9
-
$6,639 USD
View
A
Retailer 10
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$6,690 USD
£5,268 GBP
View
A
Retailer 11
-
$7,065 USD
€6,729 EUR
View
Retailer 12
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$7,755 USD
View
Price last confirmed 11 days ago
Retailer 13
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$7,890 USD
View
Price last confirmed 32 days ago
A
Retailer 14
-
$9,271 USD
ZAR 149,775 ZAR
View
A
Retailer 15
-
$9,381 USD
£7,387 GBP
View
Retailer 16
-
$9,461 USD
A$14,556 AUD
View
Price last confirmed 8 days ago
B+
Retailer 17
-
$10,482 USD
View
B+
Retailer 18
-
$11,000 USD
View
B+
Retailer 19
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$11,280 USD
View
B+
Retailer 20
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$11,286 USD
View
B+
Retailer 21
-
$12,095 USD
View
B
Retailer 22
-
$14,832 USD
SGD 20,043 SGD
View
Most Expensive
B
Taylor and Hart
UNZ1GD7 · Oct 30
$15,398 USD
View
22 more retailers have this diamond
Prices start from $4,180 USDSave up to $11,218 USD

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
$4,180 USD