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Heart|Lab Grown|IGI

1.28ct D VVS1 Heart Lab Grown Diamond

VG • D/VVS1 • IGI LG831679993

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831679993

Diamond specifications and retailer prices

From HK$1,726 HKD
As of November 4, 2026
Save HK$10,121 HKD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$11,847 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 very-good cut grade and certified by IGI LG831679993 or 831679993. Listed at 18 retailers as of October 29, 2026, with prices from HK$1,726 to HK$11,847, a HK$10,121 spread on the same certified stone. Brilliant Earth lists it at HK$11,847. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.28
Carat
D
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831679993
Dimensions6.70 × 7.65 × 4.19 mm
L/W Ratio1.14
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.70 mm7.65 mm1.28 ctD / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831679993
Side View
Table 60.0%Crown 37.6°Girdle: STK-THKPavilion 35.7°Culet: NoneDepth 54.8%

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$11,847 HKD|Low: HK$1,726 HKD|High: HK$11,847 HKD|Avg: HK$5,073 HKD
Brilliant Earth
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
November 5, 2026
Retailer 3HK$1,726 HKD
Retailer 9HK$1,930 HKD
Retailer 15HK$2,001 HKD
Retailer 8HK$2,134 HKD
Retailer 12HK$2,432 HKD
Retailer 4HK$3,656 HKD
Retailer 16HK$3,688 HKD
Retailer 2HK$3,931 HKD
Retailer 18HK$4,056 HKD
Retailer 6HK$5,061 HKD
Retailer 14HK$5,225 HKD
Retailer 13HK$5,602 HKD
Retailer 17HK$6,873 HKD
Retailer 10HK$6,928 HKD
Retailer 7HK$7,281 HKD
Retailer 5HK$7,336 HKD
Retailer 11HK$8,544 HKD
Brilliant EarthHK$11,847 HKD

8 data points across 18 retailers

18 retailersHK$1,726 HKD to HK$11,847 HKD

A
Cheapest Retailer
-
HK$1,726 HKD
A
Retailer 2
-
HK$1,930 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$2,001 HKD
View
A
Retailer 4
-
HK$2,134 HKD
View
A
Retailer 5
-
HK$2,432 HKD
View
B+
Retailer 6
-
HK$3,656 HKD
View
B+
Retailer 7
-
HK$3,688 HKD
View
B+
Retailer 8
-
HK$3,931 HKD
View
B+
Retailer 9
-
HK$4,056 HKD
View
B+
Retailer 10
-
HK$5,061 HKD
View
B
Retailer 11
-
HK$5,225 HKD
View
B+
Retailer 12
-
HK$5,602 HKD
View
B
Retailer 13
-
HK$6,873 HKD
View
B
Retailer 14
-
HK$6,928 HKD
View
B
Retailer 15
-
HK$7,281 HKD
View
B
Retailer 16
-
HK$7,336 HKD
View
B
Retailer 17
-
HK$8,544 HKD
View
Most Expensive
B
Brilliant Earth
22348635A · Oct 29
HK$11,847 HKD
$1,510 USD
View
17 more retailers have this diamond
Prices start from HK$1,726 HKDSave up to HK$10,121 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$1,726 HKD