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Cushion|Lab Grown|IGI

1.21ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG779643097

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

Certificate IGI LG779643097

Diamond specifications and retailer prices

From HK$1,734 HKD
$221 USD
As of November 1, 2026
Save HK$7,578 HKD (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$9,312 HKD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

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 LG779643097 or 779643097. Listed at 19 retailers as of November 1, 2026, with prices from HK$1,734 to HK$9,312, a HK$7,578 spread on the same certified stone. Reve Diamonds lists it at HK$9,312. 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 angle35.3°
Pavilion angle33.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779643097
Dimensions6.08 × 6.08 × 3.78 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.08 mm6.08 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779643097
Side View
Table 66.0%Crown 35.3°Girdle: STK-THKPavilion 33.8°Culet: NoneDepth 62.2%

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 1
Current: HK$4,697 HKD|Low: HK$1,734 HKD|High: HK$9,107 HKD|Avg: HK$4,874 HKD|-0.9%
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 2, 2026
Retailer 3HK$1,734 HKD
Retailer 5HK$2,572 HKD
Retailer 9HK$3,229 HKD
Retailer 7HK$3,324 HKD
Retailer 6HK$3,523 HKD
Retailer 10HK$4,645 HKD
Retailer 1HK$4,697 HKD
Retailer 12HK$5,688 HKD
Retailer 2HK$5,890 HKD
Retailer 8HK$6,826 HKD
Retailer 4HK$7,533 HKD
Retailer 11HK$9,047 HKD

33 data points across 12 retailers

19 retailersHK$1,734 HKD to HK$9,312 HKD

A
Cheapest Retailer
-
HK$1,734 HKD
$221 USD
Final sale: no returns
Retailer 2
-
HK$1,922 HKD
$245 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
HK$2,572 HKD
£258 GBP
View
B+
Retailer 4
-
HK$2,605 HKD
$332 USD
View
A
Retailer 5
-
HK$3,229 HKD
€392 EUR
View
A
Retailer 6
-
HK$3,324 HKD
ZAR 6,844 ZAR
View
A
Retailer 7
-
HK$3,523 HKD
£354 GBP
View
A
Retailer 8
-
HK$3,648 HKD
$465 USD
View
A
Retailer 9
-
HK$3,844 HKD
$490 USD
View
B+
Retailer 10
-
HK$4,645 HKD
$592 USD
View
B+
Retailer 11
-
HK$4,697 HKD
A$921 AUD
View
B+
Retailer 12
-
HK$5,688 HKD
$725 USD
View
B+
Retailer 13
-
HK$5,890 HKD
A$1,155 AUD
View
B+
Retailer 14
-
HK$6,294 HKD
SGD 1,084 SGD
View
B
Retailer 15
-
HK$6,610 HKD
$842 USD
View
B
Retailer 16
-
HK$6,826 HKD
$870 USD
View
B
Retailer 17
-
HK$7,533 HKD
£756 GBP
View
B
Retailer 18
-
HK$9,047 HKD
£908 GBP
View
Most Expensive
B
Reve Diamonds
227E444CF · Nov 1
HK$9,312 HKD
$1,187 USD
View
18 more retailers have this diamond
Prices start from HK$1,734 HKDSave up to HK$7,578 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$1,734 HKD