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Heart|Lab Grown|IGI

3.09ct D VS1 Heart Lab Grown Diamond

EX • D/VS1 • IGI LG718506840

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG718506840

Diamond specifications and retailer prices

From HK$5,447 HKD
As of November 3, 2026
Save HK$27,784 HKD (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$33,941 HKD at Queensmith · As of October 13, 2026
View at Queensmith

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 LG718506840 or 718506840. Listed at 13 retailers as of November 2, 2026, with a 510% 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG718506840
Dimensions8.88 × 10.36 × 5.86 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Top View
8.88 mm10.36 mm3.09 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG718506840
Side View
Table 62.0%Crown 34.3°Girdle: MED-THKPavilion 39.2°Culet: NoneDepth 56.6%

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 3
Current: HK$33,941 HKD|Low: HK$2,743 HKD|High: HK$45,770 HKD|Avg: HK$15,064 HKD
Queensmith
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 2, 2026
Retailer 5HK$2,759 HKD
Retailer 4HK$3,848 HKD
Retailer 17HK$5,447 HKD
Retailer 9HK$5,612 HKD
Retailer 12HK$6,003 HKD
Retailer 13HK$6,160 HKD
Retailer 8HK$7,736 HKD
Retailer 18HK$7,877 HKD
Retailer 15HK$8,919 HKD
Retailer 16HK$11,772 HKD
Retailer 2HK$12,477 HKD
Retailer 3HK$16,137 HKD
Retailer 6HK$16,427 HKD
Retailer 11HK$21,373 HKD
Retailer 10HK$22,188 HKD
Retailer 14HK$33,231 HKD
QueensmithHK$33,941 HKD
Retailer 7HK$45,770 HKD

18 data points across 18 retailers

13 retailersHK$5,447 HKD to HK$33,231 HKD

A
Cheapest Retailer
-
HK$5,447 HKD
A
Retailer 2
-
HK$6,003 HKD
View
B+
Retailer 3
-
HK$6,160 HKD
View
Retailer 4
-
HK$7,877 HKD
View
Price last confirmed 26 days ago
A
Retailer 5
-
HK$8,919 HKD
View
Retailer 6
-
HK$11,772 HKD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
HK$12,477 HKD
View
Retailer 8
-
HK$16,137 HKD
View
Price last confirmed 26 days ago
Retailer 9
-
HK$16,427 HKD
View
Price last confirmed 26 days ago
B
Retailer 10
-
HK$21,373 HKD
View
Retailer 11
-
HK$22,188 HKD
View
Price last confirmed 126 days ago
B
Retailer 12
-
HK$33,231 HKD
View
Most Expensive
Queensmith
LG718506840 · Oct 13
HK$33,941 HKD
£3,410 GBP
View
Price last confirmed 24 days ago
12 more retailers have this diamond
Prices start from HK$5,447 HKDSave up to HK$27,784 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$5,447 HKD