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Heart|Lab Grown|IGI

20.11ct G VS1 Heart Lab Grown Diamond

EX • G/VS1 • IGI LG774691137

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG774691137

Diamond specifications and retailer prices

From $14,500 AUD
$10,162 USD
As of November 2, 2026
Save $37,300 AUD (72%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $51,800 AUD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 20.11ct lab-grown heart diamond

This 20.11ct lab-grown heart sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG774691137 or 774691137. Listed at 14 retailers as of October 31, 2026, with prices from $14,500 to $51,800, a $37,300 spread on the same certified stone. Taylor and Hart lists it at $51,800. 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

20.11
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG774691137
Dimensions15.75 × 18.31 × 11.48 mm
L/W Ratio1.16
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.75 mm18.31 mm20.11 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG774691137
Side View
Table 60.0%Crown 36.1°Girdle: THK-VTKPavilion 40.4°Culet: NoneDepth 62.7%

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 2
Current: $17,955 AUD|Low: $14,500 AUD|High: $56,285 AUD|Avg: $23,487 AUD|+1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
November 2, 2026
Retailer 12$14,500 AUD
Retailer 8$15,081 AUD
Retailer 4$15,513 AUD
Retailer 3$15,764 AUD
Retailer 2$16,240 AUD
Retailer 9$16,616 AUD
Retailer 11$16,820 AUD
Retailer 1$17,955 AUD
Retailer 7$18,126 AUD
Retailer 6$19,843 AUD
Retailer 5$31,809 AUD
Retailer 10$35,861 AUD
Taylor and Hart$51,800 AUD

22 data points across 13 retailers

14 retailers$14,500 AUD to $51,800 AUD

A
Cheapest Retailer
-
$14,500 AUD
$10,162 USD
A
Retailer 2
-
$15,081 AUD
$10,569 USD
View
A
Retailer 3
-
$15,513 AUD
$10,872 USD
View
B+
Retailer 4
-
$15,764 AUD
$11,048 USD
View
B+
Retailer 5
-
$16,240 AUD
$11,381 USD
View
Final sale: no returns
B+
Retailer 6
-
$16,616 AUD
$11,645 USD
View
B+
Retailer 7
-
$16,820 AUD
$11,788 USD
View
Retailer 8
-
$16,820 AUD
$11,788 USD
View
Price last confirmed 21 days ago
B+
Retailer 9
-
$17,955 AUD
$12,583 USD
View
B+
Retailer 10
-
$18,126 AUD
$12,703 USD
View
B+
Retailer 11
-
$19,843 AUD
£10,950 GBP
View
B
Retailer 12
-
$31,809 AUD
View
B
Retailer 13
-
$35,861 AUD
$25,132 USD
View
Most Expensive
B
Taylor and Hart
4PI63TX · Oct 31
$51,800 AUD
$36,303 USD
View
13 more retailers have this diamond
Prices start from $14,500 AUDSave up to $37,300 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.

A
20.11ct Heart
$14,500 AUD