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Cushion|Lab Grown|IGI

1.21ct D VVS2 Cushion Lab Grown Diamond

ID • D/VVS2 • IGI LG783670528

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

Certificate IGI LG783670528

Diamond specifications and retailer prices

From HK$1,703 HKD
$217 USD
As of October 31, 2026
Save HK$10,458 HKD (86%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$12,161 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG783670528 or 783670528. Listed at 14 retailers as of October 29, 2026, with prices from HK$1,703 to HK$12,161, a HK$10,458 spread on the same certified stone. Brilliant Earth lists it at HK$12,161. 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
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783670528
Dimensions6.16 × 6.10 × 4.15 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.16 mm6.10 mm1.21 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783670528
Side View
Table 61.0%Crown 35.2°Girdle: STK-THKPavilion 40°Culet: NoneDepth 68.0%

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$12,161 HKD|Low: HK$1,703 HKD|High: HK$12,475 HKD|Avg: HK$5,614 HKD|-2.5%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 10HK$1,703 HKD
Retailer 12HK$2,483 HKD
Retailer 7HK$3,094 HKD
Retailer 2HK$3,147 HKD
Retailer 17HK$3,311 HKD
Retailer 11HK$3,455 HKD
Retailer 16HK$3,939 HKD
Retailer 13HK$4,409 HKD
Retailer 6HK$4,855 HKD
Retailer 8HK$4,927 HKD
Retailer 14HK$6,115 HKD
Retailer 15HK$6,355 HKD
Retailer 3HK$6,507 HKD
Retailer 4HK$9,229 HKD
Retailer 5HK$9,296 HKD
Retailer 9HK$9,565 HKD
Brilliant EarthHK$12,161 HKD

17 data points across 17 retailers

14 retailersHK$1,703 HKD to HK$12,161 HKD

A
Cheapest Retailer
-
HK$1,703 HKD
$217 USD
Final sale: no returns
A
Retailer 2
-
HK$2,483 HKD
£249 GBP
View
A
Retailer 3
-
HK$3,147 HKD
€382 EUR
View
A
Retailer 4
-
HK$3,311 HKD
$422 USD
View
A
Retailer 5
-
HK$3,455 HKD
£347 GBP
View
A
Retailer 6
-
HK$3,939 HKD
$502 USD
View
B+
Retailer 7
-
HK$4,409 HKD
$562 USD
View
Retailer 8
-
HK$4,855 HKD
A$952 AUD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
HK$6,115 HKD
A$1,199 AUD
View
B+
Retailer 10
-
HK$6,355 HKD
$810 USD
View
B+
Retailer 11
-
HK$6,507 HKD
$829 USD
View
B
Retailer 12
-
HK$9,229 HKD
$1,176 USD
View
B
Retailer 13
-
HK$9,296 HKD
£933 GBP
View
Most Expensive
B
Brilliant Earth
18147712A · Oct 29
HK$12,161 HKD
$1,550 USD
View
13 more retailers have this diamond
Prices start from HK$1,703 HKDSave up to HK$10,458 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$1,703 HKD