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Cushion|Lab Grown|IGI

5.50ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG825699745

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG825699745

Diamond specifications and retailer prices

From HK$29,516 HKD
$3,762 USD
As of November 1, 2026
Save HK$24,541 HKD (45%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: HK$54,057 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 5.5ct lab-grown cushion diamond

This 5.5ct 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 LG825699745 or 825699745. Listed at 4 retailers as of October 31, 2026, with prices from HK$29,516 to HK$54,057, a HK$24,541 spread on the same certified stone. Brilliant Earth lists it at HK$54,057. 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

5.50
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.4°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825699745
Dimensions11.60 × 9.09 × 6.38 mm
L/W Ratio1.28
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.60 mm9.09 mm5.50 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825699745
Side View
Table 56.0%Crown 43.4°Girdle: STK-THKPavilion 41.4°Culet: LargeDepth 70.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: HK$54,057 HKD|Low: HK$29,516 HKD|High: HK$101,994 HKD|Avg: HK$47,324 HKD|-47.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 31, 2026
Retailer 4HK$29,516 HKD
Retailer 2HK$32,664 HKD
Retailer 3HK$52,347 HKD
Brilliant EarthHK$54,057 HKD

9 data points across 4 retailers

4 retailersHK$29,516 HKD to HK$54,057 HKD

B+
Cheapest Retailer
-
HK$29,516 HKD
$3,762 USD
B+
Retailer 2
-
HK$32,664 HKD
€3,965 EUR
View
B
Retailer 3
-
HK$52,347 HKD
$6,672 USD
View
Most Expensive
B
Brilliant Earth
21728688A · Oct 31
HK$54,057 HKD
$6,890 USD
View
3 more retailers have this diamond
Prices start from HK$29,516 HKDSave up to HK$24,541 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.

B+
5.50ct Cushion
HK$29,516 HKD