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Cushion|Lab Grown|IGI

1.22ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG811602535

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG811602535

Diamond specifications and retailer prices

From HK$3,593 HKD
As of November 4, 2026
Save HK$13,354 HKD (79%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$16,947 HKD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.22ct lab-grown cushion diamond

This 1.22ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811602535 or 811602535. Listed at 17 retailers as of November 4, 2026, with prices from HK$3,593 to HK$16,947, a HK$13,354 spread on the same certified stone. Brilliant Earth lists it at HK$16,947. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.22
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811602535
Dimensions7.19 × 5.69 × 3.87 mm
L/W Ratio1.26
Girdle conditionFaceted
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
7.19 mm5.69 mm1.22 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811602535
Side View
Table 61.0%Crown 32.1°Girdle: MED-STKPavilion 37.3°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: Nov 4
Current: HK$16,947 HKD|Low: HK$3,593 HKD|High: HK$20,140 HKD|Avg: HK$9,303 HKD|-11.1%
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
November 5, 2026
Retailer 5HK$3,593 HKD
Retailer 16HK$3,978 HKD
Retailer 4HK$4,417 HKD
Retailer 14HK$5,139 HKD
Retailer 6HK$5,351 HKD
Retailer 3HK$5,790 HKD
Retailer 13HK$6,347 HKD
Retailer 2HK$6,441 HKD
Retailer 17HK$6,551 HKD
Retailer 11HK$6,865 HKD
Retailer 10HK$9,729 HKD
Retailer 15HK$12,632 HKD
Retailer 8HK$12,679 HKD
Retailer 9HK$13,071 HKD
Retailer 7HK$14,601 HKD
Retailer 12HK$15,550 HKD
Brilliant EarthHK$16,947 HKD

39 data points across 17 retailers

17 retailersHK$3,593 HKD to HK$16,947 HKD

A
Cheapest Retailer
-
HK$3,593 HKD
Final sale: no returns
Retailer 2
-
HK$3,978 HKD
View
Price last confirmed 11 days ago
A
Retailer 3
-
HK$4,417 HKD
View
A
Retailer 4
-
HK$5,139 HKD
View
A
Retailer 5
-
HK$5,351 HKD
View
A
Retailer 6
-
HK$5,790 HKD
View
A
Retailer 7
-
HK$6,347 HKD
View
A
Retailer 8
-
HK$6,441 HKD
View
A
Retailer 9
-
HK$6,551 HKD
View
A
Retailer 10
-
HK$6,865 HKD
View
B+
Retailer 11
-
HK$9,729 HKD
View
Retailer 12
-
HK$12,632 HKD
View
Price last confirmed 8 days ago
B
Retailer 13
-
HK$12,679 HKD
View
B
Retailer 14
-
HK$13,071 HKD
View
B
Retailer 15
-
HK$14,601 HKD
View
B
Retailer 16
-
HK$15,550 HKD
View
Most Expensive
B
Brilliant Earth
20512786A · Nov 4
HK$16,947 HKD
$2,160 USD
View
16 more retailers have this diamond
Prices start from HK$3,593 HKDSave up to HK$13,354 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
1.22ct Cushion
HK$3,593 HKD