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Heart|Lab Grown|IGI

20.03ct G VS2 Heart Lab Grown Diamond

ID • G/VS2 • IGI LG830642445

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG830642445

Diamond specifications and retailer prices

From $20,825 NZD
$11,717 USD
As of November 1, 2026
Save $36,178 NZD (63%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $57,002 NZD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 20.03ct lab-grown heart diamond

This 20.03ct lab-grown heart sits in the over five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG830642445 or 830642445. Listed at 4 retailers as of October 31, 2026, with prices from $20,825 to $57,002, a $36,178 spread on the same certified stone. Taylor and Hart lists it at $57,002. 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

20.03
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830642445
Dimensions19.10 × 17.56 × 10.30 mm
L/W Ratio1.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
19.10 mm17.56 mm20.03 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830642445
Side View
Table 58.0%Crown 31°Girdle: STK-THKPavilion 37.2°Culet: NoneDepth 53.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $21,521 NZD|Low: $20,780 NZD|High: $57,002 NZD|Avg: $35,717 NZD|-2.9%
Retailer 1
Retailer 2
Retailer 3
Taylor and Hart
November 3, 2026
Retailer 2$20,825 NZD
Retailer 1$21,521 NZD
Retailer 3$42,543 NZD
Taylor and Hart$57,002 NZD

13 data points across 4 retailers

4 retailers$20,825 NZD to $57,002 NZD

B+
Cheapest Retailer
-
$20,825 NZD
$11,717 USD
B+
Retailer 2
-
$21,521 NZD
£9,534 GBP
View
B
Retailer 3
-
$42,543 NZD
$23,937 USD
View
Most Expensive
B
Taylor and Hart
PY177XX · Oct 31
$57,002 NZD
$32,072 USD
View
3 more retailers have this diamond
Prices start from $20,825 NZDSave up to $36,178 NZD

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.

B+
20.03ct Heart
$20,825 NZD