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Cushion|Lab Grown|IGI

4.52ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG818674959

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG818674959

Diamond specifications and retailer prices

From HK$5,437 HKD
$693 USD
As of October 29, 2026
Save HK$34,968 HKD (87%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$40,405 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818674959 or 818674959. Listed at 17 retailers as of October 29, 2026, with prices from HK$5,437 to HK$40,405, a HK$34,968 spread on the same certified stone. Brilliant Earth lists it at HK$40,405. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818674959
Dimensions9.60 × 9.41 × 6.19 mm
L/W Ratio1.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.60 mm9.41 mm4.52 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818674959
Side View
Table 62.0%Crown 32.5°Girdle: STK-THKPavilion 38.5°Culet: NoneDepth 65.8%

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: HK$40,405 HKD|Low: HK$4,889 HKD|High: HK$41,974 HKD|Avg: HK$17,074 HKD|-3.7%
Brilliant Earth
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
October 30, 2026
Retailer 3HK$4,889 HKD
Retailer 4HK$5,437 HKD
Retailer 14HK$7,022 HKD
Retailer 5HK$9,234 HKD
Retailer 11HK$9,400 HKD
Retailer 10HK$9,442 HKD
Retailer 13HK$11,999 HKD
Retailer 2HK$12,076 HKD
Retailer 15HK$13,338 HKD
Retailer 17HK$15,268 HKD
Retailer 9HK$17,935 HKD
Retailer 7HK$18,641 HKD
Retailer 6HK$19,471 HKD
Retailer 12HK$23,874 HKD
Retailer 8HK$27,824 HKD
Retailer 16HK$32,481 HKD
Brilliant EarthHK$40,405 HKD

33 data points across 17 retailers

17 retailersHK$5,437 HKD to HK$40,405 HKD

Retailer 1
-
HK$4,889 HKD
£491 GBP
Price last confirmed 13 days ago
A
Retailer 2
-
HK$5,437 HKD
$693 USD
View
Final sale: no returns
A
Retailer 3
-
HK$7,022 HKD
$895 USD
View
B+
Retailer 4
-
HK$9,234 HKD
$1,177 USD
View
A
Retailer 5
-
HK$9,400 HKD
€1,141 EUR
View
A
Retailer 6
-
HK$9,442 HKD
£948 GBP
View
A
Retailer 7
-
HK$11,999 HKD
ZAR 24,708 ZAR
View
A
Retailer 8
-
HK$12,076 HKD
A$2,368 AUD
View
A
Retailer 9
-
HK$13,338 HKD
$1,700 USD
View
A
Retailer 10
-
HK$15,268 HKD
$1,946 USD
View
Retailer 11
-
HK$17,935 HKD
£1,800 GBP
View
Price last confirmed 18 days ago
B+
Retailer 12
-
HK$18,641 HKD
$2,376 USD
View
B+
Retailer 13
-
HK$19,471 HKD
$2,482 USD
View
B+
Retailer 14
-
HK$23,874 HKD
£2,396 GBP
View
Retailer 15
-
HK$27,824 HKD
A$5,456 AUD
View
Price last confirmed 22 days ago
Retailer 16
-
HK$32,481 HKD
$4,140 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
21057030A · Oct 30
HK$40,405 HKD
$5,150 USD
View
16 more retailers have this diamond
Prices start from HK$5,437 HKDSave up to HK$34,968 HKD

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
HK$5,437 HKD