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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 $16,680 AUD
$11,717 USD
As of November 1, 2026
Save $28,978 AUD (63%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $45,658 AUD 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 $16,680 to $45,658, a $28,978 spread on the same certified stone. Taylor and Hart lists it at $45,658. 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: $17,265 AUD|Low: $16,645 AUD|High: $45,658 AUD|Avg: $28,628 AUD|-2.8%
Retailer 1
Retailer 2
Retailer 3
Taylor and Hart
October 31, 2026
Retailer 2$16,680 AUD
Retailer 1$17,265 AUD
Retailer 3$34,077 AUD
Taylor and Hart$45,658 AUD

12 data points across 4 retailers

4 retailers$16,680 AUD to $45,658 AUD

B+
Cheapest Retailer
-
$16,680 AUD
$11,717 USD
B+
Retailer 2
-
$17,265 AUD
£9,549 GBP
View
B
Retailer 3
-
$34,077 AUD
$23,937 USD
View
Most Expensive
B
Taylor and Hart
PY177XX · Oct 31
$45,658 AUD
$32,072 USD
View
3 more retailers have this diamond
Prices start from $16,680 AUDSave up to $28,978 AUD

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
$16,680 AUD