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Heart|Lab Grown|IGI

4.20ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG792615984

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG792615984

Diamond specifications and retailer prices

From $3,669 CAD
£2,068 GBP
As of October 30, 2026
Save $17,843 CAD (83%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $21,793 CAD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 4.2ct lab-grown heart diamond

This 4.2ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG792615984 or 792615984. Listed at 26 retailers as of October 30, 2026, with a 486% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.20
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792615984
Dimensions9.75 × 11.39 × 6.52 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.75 mm11.39 mm4.20 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792615984
Side View
Table 62.0%Crown 34.6°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 57.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $21,793 CAD|Low: $3,635 CAD|High: $23,172 CAD|Avg: $8,861 CAD|-5.6%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 30, 2026
Retailer 13$3,669 CAD
Retailer 4$3,787 CAD
Retailer 11$4,240 CAD
Retailer 6$4,392 CAD
Retailer 8$4,392 CAD
Retailer 10$4,473 CAD
Retailer 3$4,617 CAD
Retailer 17$5,096 CAD
Retailer 20$5,698 CAD
Retailer 14$5,933 CAD
Retailer 7$6,037 CAD
Retailer 18$6,479 CAD
Retailer 9$8,384 CAD
Retailer 15$9,350 CAD
Retailer 19$9,425 CAD
Retailer 5$11,165 CAD
Retailer 16$11,822 CAD
Retailer 2$16,064 CAD
Retailer 12$21,082 CAD
Novita Diamonds$21,793 CAD

34 data points across 20 retailers

26 retailers$3,669 CAD to $21,512 CAD

A
Cheapest Retailer
-
$3,669 CAD
£2,068 GBP
A
Retailer 2
-
$3,787 CAD
$2,711 USD
View
A
Retailer 3
-
$4,119 CAD
$2,949 USD
View
A
Retailer 4
-
$4,240 CAD
$3,035 USD
View
Final sale: no returns
Retailer 5
-
$4,392 CAD
$3,144 USD
View
Price last confirmed 18 days ago
A
Retailer 6
-
$4,392 CAD
$3,144 USD
View
A
Retailer 7
-
$4,473 CAD
$3,202 USD
View
A
Retailer 8
-
$4,617 CAD
$3,305 USD
View
A
Retailer 9
-
$5,096 CAD
HK$28,500 HKD
View
A
Retailer 10
-
$5,698 CAD
$4,079 USD
View
A
Retailer 11
-
$5,933 CAD
£3,344 GBP
View
A
Retailer 12
-
$6,037 CAD
$4,322 USD
View
A
Retailer 13
-
$6,479 CAD
$4,638 USD
View
A
Retailer 14
-
$8,384 CAD
$6,002 USD
View
A
Retailer 15
-
$9,350 CAD
ZAR 108,128 ZAR
View
Retailer 16
-
$9,425 CAD
A$10,380 AUD
View
Price last confirmed 8 days ago
A
Retailer 17
-
$11,034 CAD
$7,899 USD
View
A
Retailer 18
-
$11,165 CAD
$7,993 USD
View
A
Retailer 19
-
$11,822 CAD
£6,664 GBP
View
B+
Retailer 20
-
$12,261 CAD
$8,777 USD
View
Retailer 21
-
$13,164 CAD
£7,420 GBP
View
Price last confirmed 21 days ago
B+
Retailer 22
-
$14,730 CAD
SGD 14,250 SGD
View
B+
Retailer 23
-
$15,312 CAD
$10,962 USD
View
B+
Retailer 24
-
$16,064 CAD
$11,500 USD
View
B
Retailer 25
-
$21,512 CAD
$15,400 USD
View
Most Expensive
Novita Diamonds
cert_792615984 · Oct 8
$21,793 CAD
A$24,002 AUD
View
Price last confirmed 21 days ago
25 more retailers have this diamond
Prices start from $3,669 CADSave up to $17,843 CAD

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
4.20ct Heart
$3,669 CAD