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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 $21,181 NZD
£9,400 GBP
As of October 26, 2026
5 retailers carry this diamond
Most expensive: $35,559 NZD 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: $35,559 NZD|Low: $21,148 NZD|High: $90,553 NZD|Avg: $41,838 NZD
Calavera New York
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 26, 2026
Retailer 2$21,181 NZD
Retailer 4$31,391 NZD
Retailer 5$31,799 NZD
Retailer 3$35,168 NZD
Calavera New York$35,559 NZD
Retailer 6$90,553 NZD

20 data points across 6 retailers

5 retailers$21,181 NZD to $35,559 NZD

Retailer 1
-
$21,181 NZD
£9,400 GBP
Price last confirmed 7 days ago
Retailer 2
-
$31,391 NZD
$17,692 USD
View
Price last confirmed 8 days ago
Retailer 3
-
$31,799 NZD
$17,922 USD
View
Price last confirmed 8 days ago
Retailer 4
-
$35,168 NZD
$19,821 USD
View
Price last confirmed 10 days ago
Most Expensive
Calavera New York
72ba7b65-2db8-4eaa-8d10-0c6a2f211fd8 · Oct 12
$35,559 NZD
$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
$21,181 NZD