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Cushion|Lab Grown|IGI

5.40ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG829612081

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG829612081

Diamond specifications and retailer prices

From HK$9,509 HKD
$1,212 USD
As of October 31, 2026
Save HK$3,334 HKD (26%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$26,824 HKD at Brilliance · As of October 21, 2026
View at Brilliance

About this 5.4ct lab-grown cushion diamond

This 5.4ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG829612081 or 829612081. Listed at 3 retailers as of October 30, 2026, with a 35% 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

5.40
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG829612081
Dimensions11.90 × 9.15 × 6.21 mm
L/W Ratio1.30
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.90 mm9.15 mm5.40 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG829612081
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 35.2°Culet: NoneDepth 67.9%

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 31
Current: HK$26,824 HKD|Low: HK$9,438 HKD|High: HK$29,955 HKD|Avg: HK$18,343 HKD|-10.5%
Brilliance
Retailer 2
Retailer 3
October 27, 2026
Retailer 2HK$9,509 HKD
Retailer 3HK$12,843 HKD
BrillianceHK$26,824 HKD

11 data points across 3 retailers

3 retailersHK$9,509 HKD to HK$12,843 HKD

A
Cheapest Retailer
-
HK$9,509 HKD
$1,212 USD
Final sale: no returns
A
Retailer 2
-
HK$12,843 HKD
$1,637 USD
View
Most Expensive
Brilliance
D45324216 · Oct 21
HK$26,824 HKD
$3,419 USD
View
Price last confirmed 11 days ago
2 more retailers have this diamond
Prices start from HK$9,509 HKDSave up to HK$3,334 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
5.40ct Cushion
HK$9,509 HKD