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Radiant|Lab Grown|IGI

1.28ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG831640256

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

Certificate IGI LG831640256

Diamond specifications and retailer prices

From HK$1,397 HKD
$178 USD
As of November 2, 2026
Save HK$12,020 HKD (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$13,417 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 LG831640256 or 831640256. Listed at 14 retailers as of November 2, 2026, with prices from HK$1,397 to HK$13,417, a HK$12,020 spread on the same certified stone. Do Amore Diamonds lists it at HK$13,417. 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 angle42.8°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831640256
Dimensions7.75 × 5.32 × 3.53 mm
L/W Ratio1.46
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.75 mm5.32 mm1.28 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831640256
Side View
Table 63.0%Crown 42.8°Girdle: MediumPavilion 34.6°Culet: NoneDepth 66.4%

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 2
Current: HK$13,417 HKD|Low: HK$1,342 HKD|High: HK$13,417 HKD|Avg: HK$5,391 HKD|+7.5%
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
November 2, 2026
Retailer 14HK$1,397 HKD
Retailer 13HK$1,616 HKD
Retailer 15HK$2,712 HKD
Retailer 3HK$2,982 HKD
Retailer 5HK$3,068 HKD
Retailer 2HK$4,651 HKD
Retailer 9HK$5,022 HKD
Retailer 11HK$5,022 HKD
Retailer 10HK$5,442 HKD
Retailer 7HK$5,814 HKD
Retailer 12HK$5,869 HKD
Retailer 4HK$6,136 HKD
Retailer 6HK$7,803 HKD
Retailer 8HK$8,918 HKD
Do Amore DiamondsHK$13,417 HKD

27 data points across 15 retailers

14 retailersHK$1,397 HKD to HK$13,417 HKD

A
Cheapest Retailer
-
HK$1,397 HKD
$178 USD
A
Retailer 2
-
HK$1,616 HKD
$206 USD
View
A
Retailer 3
-
HK$2,712 HKD
View
A
Retailer 4
-
HK$2,982 HKD
$380 USD
View
A
Retailer 5
-
HK$3,068 HKD
$391 USD
View
B+
Retailer 6
-
HK$4,651 HKD
A$912 AUD
View
B+
Retailer 7
-
HK$5,022 HKD
$640 USD
View
Retailer 8
-
HK$5,022 HKD
$640 USD
View
Price last confirmed 12 days ago
B+
Retailer 9
-
HK$5,442 HKD
A$1,067 AUD
View
B
Retailer 10
-
HK$5,869 HKD
$748 USD
View
B+
Retailer 11
-
HK$6,136 HKD
$782 USD
View
B
Retailer 12
-
HK$7,803 HKD
SGD 1,344 SGD
View
B
Retailer 13
-
HK$8,918 HKD
£895 GBP
View
Most Expensive
B
Do Amore Diamonds
27-B6CB48D66 · Nov 2
HK$13,417 HKD
$1,710 USD
View
13 more retailers have this diamond
Prices start from HK$1,397 HKDSave up to HK$12,020 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$1,397 HKD