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Cushion|Lab Grown|IGI

1.21ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG809686458

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG809686458

Diamond specifications and retailer prices

From HK$2,548 HKD
£256 GBP
As of November 2, 2026
Save HK$6,420 HKD (72%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$8,968 HKD at MOH London · As of October 29, 2026
View at MOH London

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG809686458 or 809686458. Listed at 9 retailers as of October 29, 2026, with prices from HK$2,548 to HK$8,968, a HK$6,420 spread on the same certified stone. MOH London lists it at HK$8,968. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle31.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809686458
Dimensions6.16 × 5.86 × 3.67 mm
L/W Ratio1.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.16 mm5.86 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809686458
Side View
Table 59.0%Crown 34.1°Girdle: STK-THKPavilion 31.8°CuletDepth 62.6%

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 2
Current: HK$8,968 HKD|Low: HK$1,907 HKD|High: HK$9,027 HKD|Avg: HK$5,183 HKD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7HK$1,907 HKD
Retailer 2HK$2,548 HKD
Retailer 4HK$3,205 HKD
Retailer 9HK$3,327 HKD
Retailer 6HK$4,896 HKD
Retailer 8HK$5,845 HKD
Retailer 3HK$6,669 HKD
Retailer 5HK$7,413 HKD
MOH LondonHK$8,968 HKD

39 data points across 9 retailers

9 retailersHK$2,548 HKD to HK$8,968 HKD

Retailer 1
-
HK$1,907 HKD
$243 USD
Price last confirmed 8 days ago
A
Retailer 2
-
HK$2,548 HKD
£256 GBP
View
A
Retailer 3
-
HK$3,205 HKD
€389 EUR
View
A
Retailer 4
-
HK$3,327 HKD
$424 USD
View
B+
Retailer 5
-
HK$4,896 HKD
$624 USD
View
Retailer 6
-
HK$5,845 HKD
$745 USD
View
Price last confirmed 28 days ago
B
Retailer 7
-
HK$6,669 HKD
$850 USD
View
B
Retailer 8
-
HK$7,413 HKD
£744 GBP
View
Most Expensive
B
MOH London
LG809686458 · Oct 29
HK$8,968 HKD
£900 GBP
View
8 more retailers have this diamond
Prices start from HK$2,548 HKDSave up to HK$6,420 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$2,548 HKD