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Radiant|Lab Grown|IGI

1.28ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG621476649

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

Certificate IGI LG621476649

Diamond specifications and retailer prices

From HK$1,561 HKD
$199 USD
As of November 2, 2026
Save HK$13,425 HKD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$14,986 HKD at Do Amore Diamonds · As of November 2, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG621476649 or 621476649. Listed at 16 retailers as of November 2, 2026, with prices from HK$1,561 to HK$14,986, a HK$13,425 spread on the same certified stone. Do Amore Diamonds lists it at HK$14,986. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.1°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621476649
Dimensions7.68 × 5.37 × 3.62 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.68 mm5.37 mm1.28 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621476649
Side View
Table 66.0%Crown 41.1°Girdle: MediumPavilion 35.4°Culet: NoneDepth 67.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: HK$5,227 HKD|Low: HK$1,499 HKD|High: HK$8,669 HKD|Avg: HK$4,632 HKD|+2.2%
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
November 2, 2026
Retailer 10HK$1,561 HKD
Retailer 2HK$1,750 HKD
Retailer 14HK$1,812 HKD
Retailer 3HK$1,938 HKD
Retailer 11HK$1,938 HKD
Retailer 13HK$3,358 HKD
Retailer 7HK$3,973 HKD
Retailer 4HK$4,464 HKD
Retailer 1HK$5,227 HKD
Retailer 9HK$6,245 HKD
Retailer 12HK$6,873 HKD
Retailer 6HK$8,220 HKD
Retailer 5HK$8,552 HKD
Retailer 8HK$8,570 HKD

42 data points across 14 retailers

16 retailersHK$1,561 HKD to HK$14,986 HKD

A
Cheapest Retailer
-
HK$1,561 HKD
$199 USD
A
Retailer 2
-
HK$1,750 HKD
$223 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,812 HKD
$231 USD
View
A
Retailer 4
-
HK$1,938 HKD
$247 USD
View
Retailer 5
-
HK$1,938 HKD
$247 USD
View
Price last confirmed 9 days ago
A
Retailer 6
-
HK$2,950 HKD
$376 USD
View
A
Retailer 7
-
HK$3,358 HKD
$428 USD
View
B+
Retailer 8
-
HK$3,973 HKD
£399 GBP
View
B+
Retailer 9
-
HK$4,464 HKD
$569 USD
View
B+
Retailer 10
-
HK$5,227 HKD
A$1,025 AUD
View
B
Retailer 11
-
HK$6,245 HKD
$796 USD
View
B
Retailer 12
-
HK$6,873 HKD
$876 USD
View
B
Retailer 13
-
HK$8,220 HKD
$1,048 USD
View
B
Retailer 14
-
HK$8,570 HKD
£860 GBP
View
B
Retailer 15
-
HK$11,253 HKD
£1,129 GBP
View
Most Expensive
B
Do Amore Diamonds
27-DBB8C2295 · Nov 2
HK$14,986 HKD
$1,910 USD
View
15 more retailers have this diamond
Prices start from HK$1,561 HKDSave up to HK$13,425 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$1,561 HKD