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Heart|Lab Grown|IGI

4.20ct E VVS1 Heart Lab Grown Diamond

ID • E/VVS1 • IGI LG728568190

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG728568190

Diamond specifications and retailer prices

From $2,273 USD
As of October 31, 2026
Save $4,977 USD (69%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $13,960 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG728568190 or 728568190. Listed at 12 retailers as of October 31, 2026, with a 219% 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728568190
Dimensions11.20 × 9.99 × 6.52 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.20 mm9.99 mm4.20 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728568190
Side View
Table 57.0%Crown 35.6°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 58.2%

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: Oct 31
Current: $13,960 USD|Low: $1,904 USD|High: $16,370 USD|Avg: $5,550 USD|-14.7%
Do Amore Diamonds
Retailer 2
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Retailer 11
Retailer 12
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Retailer 17
November 1, 2026
Retailer 15$2,273 USD
Retailer 17$2,328 USD
Retailer 12$2,520 USD
Retailer 14$2,523 USD
Retailer 3$3,308 USD
Retailer 4$3,377 USD
Retailer 13$3,776 USD
Retailer 8$4,077 USD
Retailer 6$4,204 USD
Retailer 5$4,958 USD
Retailer 2$5,567 USD
Retailer 16$6,450 USD
Retailer 9$6,732 USD
Retailer 11$7,089 USD
Retailer 7$7,159 USD
Retailer 10$7,250 USD
Do Amore Diamonds$13,960 USD

20 data points across 17 retailers

12 retailers$2,273 USD to $7,250 USD

B+
Cheapest Retailer
-
$2,273 USD
Final sale: no returns
A
Retailer 2
-
$2,328 USD
View
B+
Retailer 3
-
$2,520 USD
View
B+
Retailer 4
-
$2,523 USD
View
B+
Retailer 5
-
$3,308 USD
View
B+
Retailer 6
-
$3,377 USD
View
B
Retailer 7
-
$3,776 USD
View
Retailer 8
-
$5,567 USD
A$8,565 AUD
View
B
Retailer 9
-
$6,450 USD
View
B
Retailer 10
-
$7,089 USD
£5,582 GBP
View
B
Retailer 11
-
$7,250 USD
A$11,154 AUD
View
Most Expensive
Do Amore Diamonds
27-2A287F492 · Oct 31
$13,960 USD
View
Price under review
11 more retailers have this diamond
Prices start from $2,273 USDSave up to $4,977 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
4.20ct Heart
$2,273 USD