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Heart|Lab Grown|IGI

30.09ct I VS1 Heart Lab Grown Diamond

ID • I/VS1 • IGI LG811683529

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG811683529

Diamond specifications and retailer prices

From HK$93,659 HKD
£9,400 GBP
As of October 26, 2026
5 retailers carry this diamond
Most expensive: HK$157,236 HKD at Calavera New York · As of October 12, 2026
View at Calavera New York

About this 30.09ct lab-grown heart diamond

This 30.09ct lab-grown heart sits in the over five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG811683529 or 811683529. Listed at 5 retailers as of October 12, 2026. 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

30.09
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.1°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811683529
Dimensions20.76 × 19.43 × 12.69 mm
L/W Ratio1.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
20.76 mm19.43 mm30.09 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811683529
Side View
Table 60.0%Crown 39.1°Girdle: STK-VTKPavilion 39.4°Culet: NoneDepth 61.1%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 26
Current: HK$157,236 HKD|Low: HK$93,512 HKD|High: HK$400,413 HKD|Avg: HK$185,003 HKD
Calavera New York
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 26, 2026
Retailer 2HK$93,659 HKD
Retailer 4HK$138,806 HKD
Retailer 5HK$140,611 HKD
Retailer 3HK$155,510 HKD
Calavera New YorkHK$157,236 HKD
Retailer 6HK$400,413 HKD

20 data points across 6 retailers

5 retailersHK$93,659 HKD to HK$157,236 HKD

Retailer 1
-
HK$93,659 HKD
£9,400 GBP
Price last confirmed 7 days ago
Retailer 2
-
HK$138,806 HKD
$17,692 USD
View
Price last confirmed 8 days ago
Retailer 3
-
HK$140,611 HKD
$17,922 USD
View
Price last confirmed 8 days ago
Retailer 4
-
HK$155,510 HKD
$19,821 USD
View
Price last confirmed 9 days ago
Most Expensive
Calavera New York
72ba7b65-2db8-4eaa-8d10-0c6a2f211fd8 · Oct 12
HK$157,236 HKD
$20,041 USD
View
Price last confirmed 20 days ago
4 more retailers have this diamond

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.

30.09ct Heart
HK$93,659 HKD