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Cushion|Lab Grown|IGI

5.21ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG715566106

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG715566106

Diamond specifications and retailer prices

From HK$11,094 HKD
$1,414 USD
As of October 31, 2026
Save HK$39,746 HKD (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$50,840 HKD at Brilliant Earth · As of October 31, 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 LG715566106 or 715566106. Listed at 16 retailers as of October 31, 2026, with prices from HK$11,094 to HK$50,840, a HK$39,746 spread on the same certified stone. Brilliant Earth lists it at HK$50,840. 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 angle36.6°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG715566106
Dimensions12.68 × 8.66 × 5.81 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.68 mm8.66 mm5.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG715566106
Side View
Table 63.0%Crown 36.6°Girdle: MED-STKPavilion 36°Culet: NoneDepth 67.1%

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 31
Current: HK$50,840 HKD|Low: HK$7,281 HKD|High: HK$95,874 HKD|Avg: HK$27,930 HKD|-47.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 7HK$11,094 HKD
Retailer 9HK$11,141 HKD
Retailer 5HK$16,456 HKD
Retailer 11HK$17,276 HKD
Retailer 2HK$17,761 HKD
Retailer 12HK$20,438 HKD
Retailer 3HK$28,218 HKD
Retailer 10HK$29,194 HKD
Retailer 4HK$29,730 HKD
Retailer 6HK$37,714 HKD
Retailer 8HK$43,779 HKD
Brilliant EarthHK$50,840 HKD

42 data points across 12 retailers

16 retailersHK$11,094 HKD to HK$50,840 HKD

A
Cheapest Retailer
-
HK$11,094 HKD
$1,414 USD
Final sale: no returns
A
Retailer 2
-
HK$11,141 HKD
$1,420 USD
View
A
Retailer 3
-
HK$14,059 HKD
View
A
Retailer 4
-
HK$16,456 HKD
£1,652 GBP
View
A
Retailer 5
-
HK$16,798 HKD
$2,141 USD
View
A
Retailer 6
-
HK$17,276 HKD
$2,202 USD
View
A
Retailer 7
-
HK$17,761 HKD
€2,156 EUR
View
B+
Retailer 8
-
HK$20,438 HKD
$2,605 USD
View
B+
Retailer 9
-
HK$28,218 HKD
£2,832 GBP
View
B+
Retailer 10
-
HK$29,194 HKD
$3,721 USD
View
B+
Retailer 11
-
HK$29,730 HKD
$3,789 USD
View
B+
Retailer 12
-
HK$31,573 HKD
$4,024 USD
View
B
Retailer 13
-
HK$37,714 HKD
£3,785 GBP
View
B
Retailer 14
-
HK$41,429 HKD
$5,281 USD
View
Retailer 15
-
HK$43,779 HKD
$5,580 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
18143876Y · Oct 31
HK$50,840 HKD
$6,480 USD
View
15 more retailers have this diamond
Prices start from HK$11,094 HKDSave up to HK$39,746 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$11,094 HKD