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Heart|Lab Grown|IGI

20.42ct F VS2 Heart Lab Grown Diamond

EX • F/VS2 • IGI LG627442949

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG627442949

Diamond specifications and retailer prices

From $21,970 NZD
£9,734 GBP
As of November 2, 2026
Save $6,616 NZD (23%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $28,586 NZD at Friendly Diamonds · As of November 2, 2026
View at Friendly Diamonds

About this 20.42ct lab-grown heart diamond

This 20.42ct lab-grown heart sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG627442949 or 627442949. Listed at 8 retailers as of November 2, 2026, with prices from $21,970 to $28,586, a $6,616 spread on the same certified stone. Friendly Diamonds lists it at $28,586. 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

20.42
Carat
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627442949
Dimensions17.19 × 19.42 × 10.65 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
17.19 mm19.42 mm20.42 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627442949
Side View
Table 62.0%Crown 35.1°Girdle: MED-STKPavilion 38.1°Culet: NoneDepth 54.8%

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 2
Current: $28,586 NZD|Low: $21,970 NZD|High: $88,179 NZD|Avg: $37,557 NZD|-10.9%
Friendly Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 2$21,970 NZD
Retailer 5$23,583 NZD
Retailer 7$24,150 NZD
Retailer 9$24,365 NZD
Retailer 6$25,638 NZD
Retailer 8$25,798 NZD
Retailer 4$27,084 NZD
Retailer 10$27,854 NZD
Friendly Diamonds$28,586 NZD
Retailer 3$74,077 NZD
Retailer 11$88,179 NZD

26 data points across 11 retailers

8 retailers$21,970 NZD to $28,586 NZD

B+
Cheapest Retailer
-
$21,970 NZD
£9,734 GBP
B+
Retailer 2
-
$23,583 NZD
$13,269 USD
View
B+
Retailer 3
-
$24,150 NZD
$13,588 USD
View
B
Retailer 4
-
$24,365 NZD
$13,709 USD
View
B+
Retailer 5
-
$25,638 NZD
$14,425 USD
View
B+
Retailer 6
-
$25,798 NZD
$14,515 USD
View
B
Retailer 7
-
$27,084 NZD
$15,239 USD
View
Most Expensive
B
Friendly Diamonds
1228534 · Nov 2
$28,586 NZD
$16,084 USD
View
7 more retailers have this diamond
Prices start from $21,970 NZDSave up to $6,616 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+
20.42ct Heart
$21,970 NZD