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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 $18,068 NZD
$10,162 USD
As of November 2, 2026
Save $46,478 NZD (72%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $64,546 NZD 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 $18,068 to $64,546, a $46,478 spread on the same certified stone. Taylor and Hart lists it at $64,546. 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: $22,373 NZD|Low: $18,068 NZD|High: $70,134 NZD|Avg: $29,266 NZD|+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$18,068 NZD
Retailer 8$18,792 NZD
Retailer 4$19,330 NZD
Retailer 3$19,643 NZD
Retailer 2$20,235 NZD
Retailer 9$20,705 NZD
Retailer 11$20,959 NZD
Retailer 1$22,373 NZD
Retailer 7$22,586 NZD
Retailer 6$24,725 NZD
Retailer 5$39,636 NZD
Retailer 10$44,685 NZD
Taylor and Hart$64,546 NZD

22 data points across 13 retailers

14 retailers$18,068 NZD to $64,546 NZD

A
Cheapest Retailer
-
$18,068 NZD
$10,162 USD
A
Retailer 2
-
$18,792 NZD
$10,569 USD
View
A
Retailer 3
-
$19,330 NZD
$10,872 USD
View
B+
Retailer 4
-
$19,643 NZD
$11,048 USD
View
B+
Retailer 5
-
$20,235 NZD
$11,381 USD
View
Final sale: no returns
B+
Retailer 6
-
$20,705 NZD
$11,645 USD
View
B+
Retailer 7
-
$20,959 NZD
$11,788 USD
View
Retailer 8
-
$20,959 NZD
$11,788 USD
View
Price last confirmed 22 days ago
B+
Retailer 9
-
$22,373 NZD
$12,583 USD
View
B+
Retailer 10
-
$22,586 NZD
$12,703 USD
View
B+
Retailer 11
-
$24,725 NZD
£10,950 GBP
View
B
Retailer 12
-
$39,636 NZD
A$34,296 AUD
View
B
Retailer 13
-
$44,685 NZD
$25,132 USD
View
Most Expensive
B
Taylor and Hart
4PI63TX · Oct 31
$64,546 NZD
$36,303 USD
View
13 more retailers have this diamond
Prices start from $18,068 NZDSave up to $46,478 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.

A
20.11ct Heart
$18,068 NZD