CaratHunter
Plans
Radiant|Lab Grown|IGI

1.28ct F IF Radiant Lab Grown Diamond

ID • F/IF • IGI LG649472587

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

Certificate IGI LG649472587

Diamond specifications and retailer prices

From HK$2,330 HKD
As of November 4, 2026
Save HK$18,303 HKD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$20,633 HKD at Do Amore Diamonds · As of November 5, 2026
View at Do Amore Diamonds

About this 1.28ct lab-grown radiant diamond

This 1.28ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG649472587 or 649472587. Listed at 22 retailers as of November 4, 2026, with prices from HK$2,330 to HK$20,633, a HK$18,303 spread on the same certified stone. Do Amore Diamonds lists it at HK$20,633. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.4°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG649472587
Dimensions7.38 × 5.48 × 3.70 mm
L/W Ratio1.35
Culet sizePointed
Top View
7.38 mm5.48 mm1.28 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG649472587
Side View
Table 63.0%Crown 46.4°Girdle: MediumPavilion 35.4°Culet: NoneDepth 67.5%

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$20,633 HKD|Low: HK$2,330 HKD|High: HK$20,633 HKD|Avg: HK$8,005 HKD
Do Amore Diamonds
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
November 6, 2026
Retailer 7HK$2,330 HKD
Retailer 6HK$2,699 HKD
Retailer 3HK$2,887 HKD
Retailer 5HK$2,887 HKD
Retailer 9HK$3,342 HKD
Retailer 14HK$4,119 HKD
Retailer 11HK$5,492 HKD
Retailer 2HK$5,641 HKD
Retailer 10HK$7,830 HKD
Retailer 15HK$8,245 HKD
Retailer 4HK$8,865 HKD
Retailer 16HK$9,767 HKD
Retailer 8HK$10,238 HKD
Retailer 12HK$12,756 HKD
Retailer 13HK$17,338 HKD
Do Amore DiamondsHK$20,633 HKD

35 data points across 16 retailers

22 retailersHK$2,330 HKD to HK$20,633 HKD

A
Cheapest Retailer
-
HK$2,330 HKD
A
Retailer 2
-
HK$2,644 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$2,699 HKD
View
Retailer 4
-
HK$2,887 HKD
View
Price last confirmed 12 days ago
A
Retailer 5
-
HK$2,887 HKD
View
A
Retailer 6
-
HK$3,342 HKD
View
A
Retailer 7
-
HK$3,844 HKD
View
A
Retailer 8
-
HK$4,119 HKD
View
A
Retailer 9
-
HK$4,142 HKD
View
A
Retailer 10
-
HK$5,492 HKD
View
A
Retailer 11
-
HK$5,570 HKD
View
A
Retailer 12
-
HK$5,641 HKD
View
B+
Retailer 13
-
HK$7,830 HKD
View
Retailer 14
-
HK$8,245 HKD
View
Price last confirmed 8 days ago
B+
Retailer 15
-
HK$8,865 HKD
View
Retailer 16
-
HK$9,767 HKD
View
Price last confirmed 16 days ago
B+
Retailer 17
-
HK$10,238 HKD
View
B
Retailer 18
-
HK$11,501 HKD
View
B
Retailer 19
-
HK$12,427 HKD
View
B+
Retailer 20
-
HK$12,756 HKD
View
B
Retailer 21
-
HK$17,338 HKD
View
Most Expensive
B
Do Amore Diamonds
27-D4D6C7715 · Nov 5
HK$20,633 HKD
$2,630 USD
View
21 more retailers have this diamond
Prices start from HK$2,330 HKDSave up to HK$18,303 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
1.28ct Radiant
HK$2,330 HKD