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Cushion|Lab Grown|IGI

4.05ct D VVS1 Cushion Lab Grown Diamond

EX • D/VVS1 • IGI LG728567933

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG728567933

Diamond specifications and retailer prices

From HK$10,128 HKD
$1,291 USD
As of October 28, 2026
Save HK$47,847 HKD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$57,975 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG728567933 or 728567933. Listed at 18 retailers as of October 28, 2026, with prices from HK$10,128 to HK$57,975, a HK$47,847 spread on the same certified stone. Brilliant Earth lists it at HK$57,975. 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728567933
Dimensions8.59 × 8.59 × 5.76 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.59 mm8.59 mm4.05 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728567933
Side View
Table 61.0%Crown 37.9°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 67.1%

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 28
Current: HK$57,975 HKD|Low: HK$10,128 HKD|High: HK$57,975 HKD|Avg: HK$23,764 HKD
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 28, 2026
Retailer 2HK$10,128 HKD
Retailer 4HK$10,489 HKD
Retailer 11HK$11,689 HKD
Retailer 5HK$13,376 HKD
Retailer 10HK$15,121 HKD
Retailer 16HK$15,769 HKD
Retailer 12HK$16,705 HKD
Retailer 15HK$22,120 HKD
Retailer 14HK$22,457 HKD
Retailer 17HK$23,935 HKD
Retailer 6HK$27,077 HKD
Retailer 7HK$28,933 HKD
Retailer 3HK$29,011 HKD
Retailer 9HK$31,670 HKD
Retailer 13HK$33,746 HKD
Retailer 8HK$36,721 HKD
Brilliant EarthHK$57,975 HKD

39 data points across 17 retailers

18 retailersHK$10,128 HKD to HK$57,975 HKD

A
Cheapest Retailer
-
HK$10,128 HKD
$1,291 USD
Final sale: no returns
A
Retailer 2
-
HK$10,489 HKD
$1,337 USD
View
Price last confirmed 16 days ago
Returns within 30 days
A
Retailer 3
-
HK$11,689 HKD
$1,490 USD
View
Returns within 40 days
A
Retailer 4
-
HK$13,376 HKD
$1,705 USD
View
Returns within 30 days
A
Retailer 5
-
HK$15,121 HKD
£1,518 GBP
View
Returns within 30 days
A
Retailer 6
-
HK$15,769 HKD
$2,010 USD
View
Returns within 30 days
A
Retailer 7
-
HK$16,705 HKD
€2,028 EUR
View
Returns within 100 days
A
Retailer 8
-
HK$22,120 HKD
ZAR 45,551 ZAR
View
Price last confirmed 14 days ago
Returns within 7 days
A
Retailer 9
-
HK$22,457 HKD
A$4,404 AUD
View
B+
Retailer 10
-
HK$23,935 HKD
$3,051 USD
View
Returns within 30 days
B+
Retailer 11
-
HK$27,077 HKD
$3,451 USD
View
Returns within 3 days
B+
Retailer 12
-
HK$28,933 HKD
£2,904 GBP
View
Price last confirmed 17 days ago
Returns within 30 days
B+
Retailer 13
-
HK$29,011 HKD
$3,698 USD
View
Returns within 30 days
B+
Retailer 14
-
HK$30,368 HKD
$3,871 USD
View
Returns within 30 days
B+
Retailer 15
-
HK$31,670 HKD
$4,037 USD
View
Returns within 30 days
B+
Retailer 16
-
HK$33,746 HKD
£3,387 GBP
View
B
Retailer 17
-
HK$36,721 HKD
$4,681 USD
View
Returns within 90 days
Most Expensive
B
Brilliant Earth
15634959A · Oct 28
HK$57,975 HKD
$7,390 USD
View
Returns within 30 days
17 more retailers have this diamond
Prices start from HK$10,128 HKDSave up to HK$47,847 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$10,128 HKD