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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 $10,162 USD
As of November 2, 2026
Save $26,141 USD (72%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $36,303 USD 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 $10,162 to $36,303, a $26,141 spread on the same certified stone. Taylor and Hart lists it at $36,303. 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
Color
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: $12,583 USD|Low: $10,162 USD|High: $39,446 USD|Avg: $16,460 USD|+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$10,162 USD
Retailer 8$10,569 USD
Retailer 4$10,872 USD
Retailer 3$11,048 USD
Retailer 2$11,381 USD
Retailer 9$11,645 USD
Retailer 11$11,788 USD
Retailer 1$12,583 USD
Retailer 7$12,703 USD
Retailer 6$13,906 USD
Retailer 5$22,292 USD
Retailer 10$25,132 USD
Taylor and Hart$36,303 USD

22 data points across 13 retailers

14 retailers$10,162 USD to $36,303 USD

A
Cheapest Retailer
-
$10,162 USD
A
Retailer 2
-
$10,569 USD
View
A
Retailer 3
-
$10,872 USD
View
B+
Retailer 4
-
$11,048 USD
View
B+
Retailer 5
-
$11,381 USD
View
Final sale: no returns
B+
Retailer 6
-
$11,645 USD
View
B+
Retailer 7
-
$11,788 USD
View
Retailer 8
-
$11,788 USD
View
Price last confirmed 21 days ago
B+
Retailer 9
-
$12,583 USD
View
B+
Retailer 10
-
$12,703 USD
View
B+
Retailer 11
-
$13,906 USD
£10,950 GBP
View
B
Retailer 12
-
$22,292 USD
A$34,296 AUD
View
B
Retailer 13
-
$25,132 USD
View
Most Expensive
B
Taylor and Hart
4PI63TX · Oct 31
$36,303 USD
View
13 more retailers have this diamond
Prices start from $10,162 USDSave up to $26,141 USD

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
$10,162 USD