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Radiant|Lab Grown|IGI

1.28ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG841629550

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

Certificate IGI LG841629550

Diamond specifications and retailer prices

From HK$1,483 HKD
As of November 4, 2026
Save HK$7,100 HKD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$14,028 HKD at Helzberg Diamonds · As of October 13, 2026
View at Helzberg 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 D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG841629550 or 841629550. Listed at 21 retailers as of November 4, 2026, with a 479% 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

1.28
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.2°
Pavilion angle33.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841629550
Dimensions7.75 × 5.13 × 3.56 mm
L/W Ratio1.51
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.75 mm5.13 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841629550
Side View
Table 66.0%Crown 46.2°Girdle: STK-THKPavilion 33.8°Culet: NoneDepth 69.4%

Caratlytics Score

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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 4
Current: HK$3,311 HKD|Low: HK$1,483 HKD|High: HK$8,834 HKD|Avg: HK$4,089 HKD|-1.9%
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
November 5, 2026
Retailer 6HK$1,483 HKD
Retailer 17HK$1,663 HKD
Retailer 16HK$1,726 HKD
Retailer 18HK$1,844 HKD
Retailer 10HK$1,867 HKD
Retailer 13HK$2,095 HKD
Retailer 15HK$2,495 HKD
Retailer 4HK$3,036 HKD
Retailer 8HK$3,193 HKD
Retailer 1HK$3,311 HKD
Retailer 9HK$4,394 HKD
Retailer 5HK$4,488 HKD
Retailer 11HK$4,982 HKD
Retailer 14HK$5,924 HKD
Retailer 3HK$5,947 HKD
Retailer 7HK$6,018 HKD
Retailer 2HK$6,190 HKD
Retailer 19HK$6,339 HKD
Retailer 12HK$8,583 HKD

18 data points across 19 retailers

21 retailersHK$1,483 HKD to HK$8,583 HKD

A
Cheapest Retailer
-
HK$1,483 HKD
A
Retailer 2
-
HK$1,663 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$1,726 HKD
View
A
Retailer 4
-
HK$1,844 HKD
View
Retailer 5
-
HK$1,867 HKD
View
Price last confirmed 11 days ago
A
Retailer 6
-
HK$2,095 HKD
View
B+
Retailer 7
-
HK$2,495 HKD
View
A
Retailer 8
-
HK$3,036 HKD
View
A
Retailer 9
-
HK$3,193 HKD
View
A
Retailer 10
-
HK$3,311 HKD
View
A
Retailer 11
-
HK$4,394 HKD
View
A
Retailer 12
-
HK$4,488 HKD
View
B+
Retailer 13
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HK$4,982 HKD
View
B+
Retailer 14
-
HK$5,924 HKD
View
B+
Retailer 15
-
HK$5,947 HKD
View
B+
Retailer 16
-
HK$6,018 HKD
View
B+
Retailer 17
-
HK$6,190 HKD
View
B+
Retailer 18
-
HK$6,339 HKD
View
Retailer 19
-
HK$8,434 HKD
View
Price last confirmed 18 days ago
B+
Retailer 20
-
HK$8,583 HKD
View
Most Expensive
Helzberg Diamonds
ZXZOKHMIPLLG · Oct 13
HK$14,028 HKD
$1,788 USD
View
Price last confirmed 23 days ago
20 more retailers have this diamond
Prices start from HK$1,483 HKDSave up to HK$7,100 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$1,483 HKD