CaratHunter
Plans
Radiant|Lab Grown|IGI

1.22ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG742529028

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG742529028

Diamond specifications and retailer prices

From HK$1,648 HKD
As of November 4, 2026
Save HK$14,201 HKD (90%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$18,035 HKD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.22ct lab-grown radiant diamond

This 1.22ct lab-grown radiant 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 LG742529028 or 742529028. Listed at 24 retailers as of November 4, 2026, with a 862% 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

1.22
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG742529028
Dimensions7.87 × 5.45 × 3.59 mm
L/W Ratio1.44
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
7.87 mm5.45 mm1.22 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG742529028
Side View
Table 63.0%Crown 39.7°Girdle: MediumPavilion 36.6°Culet: NoneDepth 65.9%

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$2,315 HKD|Low: HK$1,593 HKD|High: HK$18,359 HKD|Avg: HK$6,443 HKD|-0.7%
Retailer 1
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
Retailer 18
Retailer 19
Retailer 20
November 4, 2026
Retailer 2HK$1,648 HKD
Retailer 9HK$1,844 HKD
Retailer 19HK$1,914 HKD
Retailer 6HK$2,040 HKD
Retailer 10HK$2,040 HKD
Retailer 1HK$2,315 HKD
Retailer 16HK$2,919 HKD
Retailer 14HK$3,892 HKD
Retailer 4HK$3,954 HKD
Retailer 12HK$4,205 HKD
Retailer 18HK$5,500 HKD
Retailer 5HK$6,590 HKD
Retailer 3HK$7,250 HKD
Retailer 13HK$8,591 HKD
Retailer 11HK$8,889 HKD
Retailer 15HK$9,031 HKD
Retailer 8HK$9,611 HKD
Retailer 17HK$13,887 HKD
Retailer 20HK$14,397 HKD
Retailer 7HK$15,849 HKD

39 data points across 20 retailers

24 retailersHK$1,648 HKD to HK$15,849 HKD

A
Cheapest Retailer
-
HK$1,648 HKD
A
Retailer 2
-
HK$1,844 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$1,914 HKD
View
Retailer 4
-
HK$2,040 HKD
View
Price last confirmed 10 days ago
A
Retailer 5
-
HK$2,040 HKD
View
A
Retailer 6
-
HK$2,315 HKD
View
A
Retailer 7
-
HK$2,919 HKD
View
A
Retailer 8
-
HK$3,107 HKD
View
A
Retailer 9
-
HK$3,892 HKD
View
A
Retailer 10
-
HK$3,954 HKD
View
A
Retailer 11
-
HK$4,205 HKD
View
A
Retailer 12
-
HK$4,715 HKD
View
Retailer 13
-
HK$5,500 HKD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
HK$6,590 HKD
View
B+
Retailer 15
-
HK$7,250 HKD
View
B+
Retailer 16
-
HK$8,591 HKD
View
B+
Retailer 17
-
HK$8,842 HKD
View
B+
Retailer 18
-
HK$8,889 HKD
View
B+
Retailer 19
-
HK$9,031 HKD
View
B
Retailer 20
-
HK$9,611 HKD
View
B
Retailer 21
-
HK$13,887 HKD
View
Retailer 22
-
HK$14,397 HKD
View
Price last confirmed 17 days ago
B
Retailer 23
-
HK$15,849 HKD
View
Most Expensive
Queensmith
LG742529028 · Oct 27
HK$18,035 HKD
£1,810 GBP
View
Price last confirmed 8 days ago
23 more retailers have this diamond
Prices start from HK$1,648 HKDSave up to HK$14,201 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 Radiant
HK$1,648 HKD