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Cushion|Lab Grown|IGI

4.05ct D VS2 Cushion Lab Grown Diamond

EX • D/VS2 • IGI LG779602362

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

Certificate IGI LG779602362

Diamond specifications and retailer prices

From HK$7,375 HKD
$940 USD
As of October 29, 2026
Save HK$46,133 HKD (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$53,508 HKD at Brilliant Earth · As of October 29, 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 LG779602362 or 779602362. Listed at 13 retailers as of October 29, 2026, with prices from HK$7,375 to HK$53,508, a HK$46,133 spread on the same certified stone. Brilliant Earth lists it at HK$53,508. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779602362
Dimensions9.37 × 9.23 × 6.12 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.37 mm9.23 mm4.05 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779602362
Side View
Table 62.0%Crown 35.6°Girdle: THN-MEDPavilion 39.2°Culet: NoneDepth 66.3%

Caratlytics Score

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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$53,508 HKD|Low: HK$5,931 HKD|High: HK$62,530 HKD|Avg: HK$18,556 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 30, 2026
Retailer 9HK$5,931 HKD
Retailer 10HK$7,375 HKD
Retailer 13HK$9,281 HKD
Retailer 2HK$9,569 HKD
Retailer 12HK$9,760 HKD
Retailer 6HK$10,042 HKD
Retailer 4HK$14,954 HKD
Retailer 3HK$18,653 HKD
Retailer 11HK$20,415 HKD
Retailer 5HK$20,649 HKD
Retailer 8HK$24,361 HKD
Retailer 7HK$25,249 HKD
Brilliant EarthHK$53,508 HKD

39 data points across 13 retailers

13 retailersHK$7,375 HKD to HK$53,508 HKD

Retailer 1
-
HK$5,931 HKD
£595 GBP
Price last confirmed 14 days ago
A
Retailer 2
-
HK$7,375 HKD
$940 USD
View
A
Retailer 3
-
HK$9,281 HKD
$1,183 USD
View
A
Retailer 4
-
HK$9,569 HKD
£960 GBP
View
A
Retailer 5
-
HK$9,760 HKD
$1,244 USD
View
A
Retailer 6
-
HK$10,042 HKD
€1,219 EUR
View
A
Retailer 7
-
HK$14,954 HKD
$1,906 USD
View
B+
Retailer 8
-
HK$18,653 HKD
£1,872 GBP
View
B+
Retailer 9
-
HK$20,415 HKD
$2,602 USD
View
Retailer 10
-
HK$20,649 HKD
$2,632 USD
View
Price last confirmed 12 days ago
Retailer 11
-
HK$24,361 HKD
$3,105 USD
View
Price last confirmed 11 days ago
B+
Retailer 12
-
HK$25,249 HKD
£2,534 GBP
View
Most Expensive
B
Brilliant Earth
17884919A · Oct 29
HK$53,508 HKD
$6,820 USD
View
12 more retailers have this diamond
Prices start from HK$7,375 HKDSave up to HK$46,133 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$7,375 HKD