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Heart|Lab Grown|IGI

3.09ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG821697186

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG821697186

Diamond specifications and retailer prices

From HK$4,240 HKD
As of November 2, 2026
Save HK$17,705 HKD (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$51,648 HKD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 3.09ct lab-grown heart diamond

This 3.09ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG821697186 or 821697186. Listed at 21 retailers as of November 2, 2026, with a 418% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.09
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821697186
Dimensions9.96 × 9.41 × 5.93 mm
L/W Ratio1.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.96 mm9.41 mm3.09 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821697186
Side View
Table 55.0%Crown 34°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 59.5%

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$6,387 HKD|Low: HK$4,240 HKD|High: HK$23,638 HKD|Avg: HK$10,524 HKD|-0.6%
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 8HK$4,240 HKD
Retailer 3HK$4,828 HKD
Retailer 14HK$4,828 HKD
Retailer 9HK$5,259 HKD
Retailer 10HK$5,259 HKD
Retailer 1HK$6,387 HKD
Retailer 12HK$6,677 HKD
Retailer 11HK$8,041 HKD
Retailer 2HK$8,104 HKD
Retailer 4HK$8,245 HKD
Retailer 17HK$8,253 HKD
Retailer 7HK$11,106 HKD
Retailer 6HK$11,411 HKD
Retailer 13HK$11,482 HKD
Retailer 18HK$13,802 HKD
Retailer 16HK$14,068 HKD
Retailer 20HK$17,219 HKD
Retailer 15HK$17,352 HKD
Retailer 19HK$18,112 HKD
Retailer 5HK$21,945 HKD

30 data points across 20 retailers

21 retailersHK$4,240 HKD to HK$21,945 HKD

A
Cheapest Retailer
-
HK$4,240 HKD
A
Retailer 2
-
HK$4,828 HKD
View
A
Retailer 3
-
HK$4,828 HKD
View
Final sale: no returns
A
Retailer 4
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HK$5,259 HKD
View
Retailer 5
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HK$5,259 HKD
View
Price last confirmed 22 days ago
A
Retailer 6
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HK$6,387 HKD
View
A
Retailer 7
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HK$6,677 HKD
View
A
Retailer 8
-
HK$8,041 HKD
View
A
Retailer 9
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HK$8,104 HKD
View
A
Retailer 10
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HK$8,245 HKD
View
A
Retailer 11
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HK$8,253 HKD
View
Retailer 12
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HK$11,106 HKD
View
Price last confirmed 8 days ago
B+
Retailer 13
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HK$11,411 HKD
View
B+
Retailer 14
-
HK$11,482 HKD
View
B+
Retailer 15
-
HK$13,802 HKD
View
B+
Retailer 16
-
HK$14,068 HKD
View
B+
Retailer 17
-
HK$17,219 HKD
View
B+
Retailer 18
-
HK$17,352 HKD
View
B+
Retailer 19
-
HK$18,112 HKD
View
B
Retailer 20
-
HK$21,945 HKD
View
Most Expensive
Brilliant Earth
20749791A · Oct 28
HK$51,648 HKD
$6,590 USD
View
Price under review
20 more retailers have this diamond
Prices start from HK$4,240 HKDSave up to HK$17,705 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
3.09ct Heart
HK$4,240 HKD