CaratHunter
Plans
Cushion|Lab Grown|IGI

1.21ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG830658016

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG830658016

Diamond specifications and retailer prices

From HK$3,374 HKD
As of November 4, 2026
Save HK$8,646 HKD (72%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$14,448 HKD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.21ct lab-grown cushion diamond

This 1.21ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG830658016 or 830658016. Listed at 13 retailers as of November 4, 2026, with a 256% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle44.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830658016
Dimensions7.06 × 5.67 × 3.67 mm
L/W Ratio1.25
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.06 mm5.67 mm1.21 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830658016
Side View
Table 63.0%Crown 36°Girdle: MED-STKPavilion 44.3°Culet: LargeDepth 64.7%

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: Nov 4
Current: HK$12,020 HKD|Low: HK$2,715 HKD|High: HK$15,111 HKD|Avg: HK$6,542 HKD|-20.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 4HK$3,013 HKD
Retailer 7HK$3,374 HKD
Retailer 3HK$4,041 HKD
Retailer 11HK$4,237 HKD
Retailer 10HK$4,809 HKD
Retailer 12HK$4,849 HKD
Retailer 9HK$5,186 HKD
Retailer 6HK$5,296 HKD
Retailer 5HK$7,399 HKD
Retailer 8HK$7,501 HKD
Retailer 2HK$10,035 HKD
Retailer 1HK$12,020 HKD

41 data points across 12 retailers

13 retailersHK$3,374 HKD to HK$12,020 HKD

Retailer 1
-
HK$3,013 HKD
Price last confirmed 11 days ago
A
Retailer 2
-
HK$3,374 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$4,041 HKD
View
A
Retailer 4
-
HK$4,237 HKD
View
B+
Retailer 5
-
HK$4,809 HKD
View
B+
Retailer 6
-
HK$4,849 HKD
View
B+
Retailer 7
-
HK$5,186 HKD
View
B+
Retailer 8
-
HK$5,296 HKD
View
B+
Retailer 9
-
HK$7,399 HKD
View
B
Retailer 10
-
HK$7,501 HKD
View
B
Retailer 11
-
HK$10,035 HKD
View
B
Retailer 12
-
HK$12,020 HKD
View
Most Expensive
Queensmith
LG830658016 · Oct 27
HK$14,448 HKD
£1,450 GBP
View
Price last confirmed 8 days ago
12 more retailers have this diamond
Prices start from HK$3,374 HKDSave up to HK$8,646 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
1.21ct Cushion
HK$3,374 HKD