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Heart|Lab Grown|IGI

1.28ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG839670664

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG839670664

Diamond specifications and retailer prices

From HK$1,789 HKD
As of November 4, 2026
Save HK$9,939 HKD (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$11,728 HKD at Michael Trio · As of November 4, 2026
View at Michael Trio

About this 1.28ct lab-grown heart diamond

This 1.28ct lab-grown heart 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 LG839670664 or 839670664. Listed at 20 retailers as of November 4, 2026, with prices from HK$1,789 to HK$11,728, a HK$9,939 spread on the same certified stone. Michael Trio lists it at HK$11,728. 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 angle35.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839670664
Dimensions6.79 × 7.32 × 4.35 mm
L/W Ratio1.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.79 mm7.32 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839670664
Side View
Table 60.0%Crown 35.7°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 59.4%

Caratlytics Score

How it works →
A+
Exceptional
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$11,728 HKD|Low: HK$1,789 HKD|High: HK$11,861 HKD|Avg: HK$4,971 HKD|-1.1%
Michael Trio
Retailer 2
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Retailer 19
November 5, 2026
Retailer 6HK$1,789 HKD
Retailer 15HK$2,001 HKD
Retailer 7HK$2,079 HKD
Retailer 17HK$2,220 HKD
Retailer 11HK$2,244 HKD
Retailer 13HK$2,519 HKD
Retailer 16HK$2,981 HKD
Retailer 5HK$3,562 HKD
Retailer 8HK$3,844 HKD
Retailer 2HK$4,103 HKD
Retailer 9HK$4,723 HKD
Retailer 10HK$5,092 HKD
Retailer 19HK$5,421 HKD
Retailer 14HK$7,132 HKD
Retailer 4HK$7,155 HKD
Retailer 18HK$7,540 HKD
Retailer 3HK$7,673 HKD
Retailer 12HK$8,866 HKD
Michael TrioHK$11,728 HKD

18 data points across 19 retailers

20 retailersHK$1,789 HKD to HK$11,728 HKD

A+
Cheapest Retailer
-
HK$1,789 HKD
A
Retailer 2
-
HK$2,001 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$2,079 HKD
View
A
Retailer 4
-
HK$2,220 HKD
View
Retailer 5
-
HK$2,244 HKD
View
Price last confirmed 11 days ago
A
Retailer 6
-
HK$2,519 HKD
View
B+
Retailer 7
-
HK$2,981 HKD
View
A
Retailer 8
-
HK$3,562 HKD
View
A
Retailer 9
-
HK$3,844 HKD
View
A
Retailer 10
-
HK$4,103 HKD
View
B+
Retailer 11
-
HK$4,723 HKD
View
B+
Retailer 12
-
HK$5,092 HKD
View
B+
Retailer 13
-
HK$5,421 HKD
View
B+
Retailer 14
-
HK$7,132 HKD
View
B+
Retailer 15
-
HK$7,155 HKD
View
B+
Retailer 16
-
HK$7,540 HKD
View
B+
Retailer 17
-
HK$7,673 HKD
View
B+
Retailer 18
-
HK$8,866 HKD
View
Retailer 19
-
HK$8,976 HKD
View
Price last confirmed 28 days ago
Most Expensive
B
Michael Trio
6512483400 · Nov 4
HK$11,728 HKD
SGD 2,020 SGD
View
19 more retailers have this diamond
Prices start from HK$1,789 HKDSave up to HK$9,939 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 Heart
HK$1,789 HKD