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Cushion|Lab Grown|IGI

4.06ct D VS2 Cushion Lab Grown Diamond

EX • D/VS2 • IGI LG788601262

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

Certificate IGI LG788601262

Diamond specifications and retailer prices

From HK$5,248 HKD
$669 USD
As of October 27, 2026
Save HK$26,917 HKD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$34,205 HKD at Brilliant Earth · As of October 17, 2026
View at Brilliant Earth

About this 4.06ct lab-grown cushion diamond

This 4.06ct 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 LG788601262 or 788601262. Listed at 19 retailers as of October 27, 2026, with a 513% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.06
Carat
D
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788601262
Dimensions9.02 × 9.34 × 5.88 mm
L/W Ratio1.04
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.02 mm9.34 mm4.06 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788601262
Side View
Table 63.0%Crown 33.8°Girdle: MED-STKPavilion 35.2°Culet: NoneDepth 65.2%

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 27
Current: HK$32,165 HKD|Low: HK$5,248 HKD|High: HK$33,185 HKD|Avg: HK$16,307 HKD|-3.1%
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
Retailer 18
October 29, 2026
Retailer 6HK$5,248 HKD
Retailer 3HK$5,409 HKD
Retailer 15HK$6,326 HKD
Retailer 4HK$6,825 HKD
Retailer 9HK$8,269 HKD
Retailer 2HK$8,419 HKD
Retailer 17HK$8,920 HKD
Retailer 13HK$9,045 HKD
Retailer 18HK$12,615 HKD
Retailer 8HK$15,039 HKD
Retailer 10HK$16,977 HKD
Retailer 12HK$18,206 HKD
Retailer 5HK$18,569 HKD
Retailer 7HK$24,344 HKD
Retailer 16HK$24,398 HKD
Retailer 14HK$25,287 HKD
Retailer 11HK$25,387 HKD
Brilliant EarthHK$32,165 HKD

37 data points across 18 retailers

19 retailersHK$5,248 HKD to HK$32,165 HKD

A
Cheapest Retailer
-
HK$5,248 HKD
$669 USD
Final sale: no returns
A
Retailer 2
-
HK$5,409 HKD
£543 GBP
View
Price last confirmed 16 days ago
A
Retailer 3
-
HK$6,326 HKD
View
A
Retailer 4
-
HK$6,825 HKD
$870 USD
View
A
Retailer 5
-
HK$8,269 HKD
$1,054 USD
View
A
Retailer 6
-
HK$8,419 HKD
€1,022 EUR
View
B+
Retailer 7
-
HK$8,920 HKD
$1,137 USD
View
A
Retailer 8
-
HK$9,045 HKD
£908 GBP
View
A
Retailer 9
-
HK$12,615 HKD
$1,608 USD
View
A
Retailer 10
-
HK$15,039 HKD
$1,917 USD
View
B+
Retailer 11
-
HK$16,977 HKD
£1,704 GBP
View
Price last confirmed 16 days ago
B+
Retailer 12
-
HK$18,206 HKD
SGD 3,136 SGD
View
B+
Retailer 13
-
HK$18,569 HKD
$2,367 USD
View
B+
Retailer 14
-
HK$24,344 HKD
A$4,774 AUD
View
Price last confirmed 21 days ago
B+
Retailer 15
-
HK$24,398 HKD
$3,110 USD
View
Price last confirmed 10 days ago
B+
Retailer 16
-
HK$25,287 HKD
£2,538 GBP
View
B
Retailer 17
-
HK$25,387 HKD
$3,236 USD
View
B
Retailer 18
-
HK$32,165 HKD
$4,100 USD
View
Most Expensive
B
Brilliant Earth
18476621A · Oct 17
HK$34,205 HKD
$4,360 USD
View
Price last confirmed 12 days ago
18 more retailers have this diamond
Prices start from HK$5,248 HKDSave up to HK$26,917 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
4.06ct Cushion
HK$5,248 HKD