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Radiant|Lab Grown|IGI

1.28ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG838660684

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

Certificate IGI LG838660684

Diamond specifications and retailer prices

From HK$1,483 HKD
As of November 4, 2026
Save HK$7,171 HKD (83%) vs most expensive(unlock to see where)
22 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 LG838660684 or 838660684. Listed at 22 retailers as of November 1, 2026, with a 484% 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 angle40.4°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838660684
Dimensions8.19 × 5.13 × 3.49 mm
L/W Ratio1.60
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.19 mm5.13 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838660684
Side View
Table 67.0%Crown 40.4°Girdle: STK-THKPavilion 33.7°Culet: NoneDepth 68.0%

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$1,836 HKD|Low: HK$1,483 HKD|High: HK$10,670 HKD|Avg: HK$4,428 HKD|-2.5%
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 5, 2026
Retailer 6HK$1,483 HKD
Retailer 17HK$1,663 HKD
Retailer 19HK$1,726 HKD
Retailer 1HK$1,836 HKD
Retailer 13HK$1,867 HKD
Retailer 15HK$2,095 HKD
Retailer 18HK$2,495 HKD
Retailer 4HK$3,036 HKD
Retailer 7HK$3,193 HKD
Retailer 14HK$3,311 HKD
Retailer 9HK$4,394 HKD
Retailer 5HK$4,488 HKD
Retailer 11HK$4,982 HKD
Retailer 16HK$5,924 HKD
Retailer 3HK$5,947 HKD
Retailer 12HK$5,971 HKD
Retailer 2HK$6,190 HKD
Retailer 20HK$6,339 HKD
Retailer 10HK$8,395 HKD
Retailer 8HK$8,654 HKD

19 data points across 20 retailers

22 retailersHK$1,483 HKD to HK$8,654 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$1,836 HKD
View
Retailer 5
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HK$1,867 HKD
View
Price last confirmed 19 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
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HK$3,311 HKD
View
A
Retailer 11
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HK$4,394 HKD
View
B+
Retailer 12
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HK$4,488 HKD
View
B+
Retailer 13
-
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$5,971 HKD
View
B+
Retailer 17
-
HK$6,190 HKD
View
B+
Retailer 18
-
HK$6,339 HKD
View
Retailer 19
-
HK$7,626 HKD
View
Price last confirmed 31 days ago
Retailer 20
-
HK$8,395 HKD
View
Price last confirmed 18 days ago
B+
Retailer 21
-
HK$8,654 HKD
View
Most Expensive
Helzberg Diamonds
ZXZOJOMMGMOK · Oct 13
HK$14,028 HKD
$1,788 USD
View
Price last confirmed 23 days ago
21 more retailers have this diamond
Prices start from HK$1,483 HKDSave up to HK$7,171 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