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Cushion|Lab Grown|IGI

4.05ct D VS2 Cushion Lab Grown Diamond

ID • D/VS2 • IGI LG757525621

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

Certificate IGI LG757525621

Diamond specifications and retailer prices

From HK$7,374 HKD
$940 USD
As of October 29, 2026
Save HK$46,129 HKD (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$53,504 HKD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 4.05ct lab-grown cushion diamond

This 4.05ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG757525621 or 757525621. Listed at 12 retailers as of October 28, 2026, with prices from HK$7,374 to HK$53,504, a HK$46,129 spread on the same certified stone. Brilliant Earth lists it at HK$53,504. 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

4.05
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG757525621
Dimensions9.39 × 9.16 × 6.13 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.39 mm9.16 mm4.05 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG757525621
Side View
Table 62.0%Crown 36.1°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 66.9%

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 29
Current: HK$53,504 HKD|Low: HK$5,931 HKD|High: HK$62,525 HKD|Avg: HK$18,704 HKD|-14.4%
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
October 29, 2026
Retailer 9HK$5,931 HKD
Retailer 10HK$7,374 HKD
Retailer 13HK$9,281 HKD
Retailer 7HK$9,511 HKD
Retailer 12HK$9,759 HKD
Retailer 2HK$10,041 HKD
Retailer 4HK$14,953 HKD
Retailer 3HK$18,651 HKD
Retailer 11HK$20,413 HKD
Retailer 5HK$20,647 HKD
Retailer 8HK$24,359 HKD
Retailer 6HK$25,347 HKD
Brilliant EarthHK$53,504 HKD

38 data points across 13 retailers

12 retailersHK$7,374 HKD to HK$53,504 HKD

A
Retailer 1
-
HK$5,931 HKD
£595 GBP
Price last confirmed 13 days ago
A
Retailer 2
-
HK$7,374 HKD
$940 USD
View
A
Retailer 3
-
HK$9,281 HKD
$1,183 USD
View
A
Retailer 4
-
HK$9,511 HKD
£955 GBP
View
A
Retailer 5
-
HK$9,759 HKD
$1,244 USD
View
A
Retailer 6
-
HK$10,041 HKD
€1,219 EUR
View
A
Retailer 7
-
HK$14,953 HKD
$1,906 USD
View
B+
Retailer 8
-
HK$18,651 HKD
£1,872 GBP
View
B+
Retailer 9
-
HK$20,413 HKD
$2,602 USD
View
B+
Retailer 10
-
HK$20,647 HKD
$2,632 USD
View
Price last confirmed 10 days ago
B+
Retailer 11
-
HK$25,347 HKD
£2,544 GBP
View
Most Expensive
B
Brilliant Earth
17039398A · Oct 28
HK$53,504 HKD
$6,820 USD
View
11 more retailers have this diamond
Prices start from HK$7,374 HKDSave up to HK$46,129 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
4.05ct Cushion
HK$7,374 HKD