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Cushion|Lab Grown|IGI

5.21ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG850604944

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG850604944

Diamond specifications and retailer prices

From HK$13,369 HKD
$1,704 USD
As of October 29, 2026
Save HK$83,290 HKD (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$96,659 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 5.21ct lab-grown cushion diamond

This 5.21ct 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 LG850604944 or 850604944. Listed at 13 retailers as of October 29, 2026, with prices from HK$13,369 to HK$96,659, a HK$83,290 spread on the same certified stone. Brilliant Earth lists it at HK$96,659. 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

5.21
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850604944
Dimensions13.26 × 8.80 × 6.01 mm
L/W Ratio1.51
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.26 mm8.80 mm5.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850604944
Side View
Table 48.0%Crown 34.5°Girdle: STK-THKPavilion 36.5°Culet: LargeDepth 68.3%

Caratlytics Score

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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 29
Current: HK$96,659 HKD|Low: HK$13,369 HKD|High: HK$96,659 HKD|Avg: HK$30,975 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
November 1, 2026
Retailer 10HK$13,369 HKD
Retailer 12HK$15,181 HKD
Retailer 3HK$15,968 HKD
Retailer 9HK$19,565 HKD
Retailer 5HK$19,810 HKD
Retailer 7HK$22,103 HKD
Retailer 13HK$22,494 HKD
Retailer 2HK$28,074 HKD
Retailer 11HK$28,145 HKD
Retailer 6HK$37,330 HKD
Retailer 8HK$40,489 HKD
Retailer 4HK$46,313 HKD
Brilliant EarthHK$96,659 HKD

7 data points across 13 retailers

13 retailersHK$13,369 HKD to HK$96,659 HKD

A
Cheapest Retailer
-
HK$13,369 HKD
$1,704 USD
Final sale: no returns
A
Retailer 2
-
HK$15,181 HKD
$1,935 USD
View
A
Retailer 3
-
HK$15,968 HKD
View
A
Retailer 4
-
HK$19,565 HKD
£1,964 GBP
View
B+
Retailer 5
-
HK$19,810 HKD
$2,525 USD
View
B+
Retailer 6
-
HK$22,103 HKD
€2,683 EUR
View
B+
Retailer 7
-
HK$22,494 HKD
$2,867 USD
View
B+
Retailer 8
-
HK$28,074 HKD
A$5,505 AUD
View
B+
Retailer 9
-
HK$28,145 HKD
ZAR 57,953 ZAR
View
B
Retailer 10
-
HK$37,330 HKD
$4,758 USD
View
B
Retailer 11
-
HK$40,489 HKD
$5,161 USD
View
B
Retailer 12
-
HK$46,313 HKD
SGD 7,977 SGD
View
Most Expensive
B
Brilliant Earth
22337204A · Oct 30
HK$96,659 HKD
$12,320 USD
View
12 more retailers have this diamond
Prices start from HK$13,369 HKDSave up to HK$83,290 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
5.21ct Cushion
HK$13,369 HKD