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Heart|Lab Grown|IGI

4.20ct H VS1 Heart Lab Grown Diamond

ID • H/VS1 • IGI LG694581169

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG694581169

Diamond specifications and retailer prices

From $723 USD
As of November 2, 2026
Save $2,575 USD (78%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,540 USD at Brilliant Earth · As of October 18, 2026
View at Brilliant Earth

About this 4.2ct lab-grown heart diamond

This 4.2ct lab-grown heart sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG694581169 or 694581169. Listed at 18 retailers as of October 26, 2026, with a 356% 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
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG694581169
Dimensions10.37 × 7.13 × 4.39 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.37 mm7.13 mm4.20 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG694581169
Side View
Table 63.0%Crown 33.1°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 54.0%

Caratlytics Score

How it works →
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: Nov 2
Current: $5,540 USD|Low: $694 USD|High: $5,700 USD|Avg: $1,798 USD|-2.8%
Brilliant Earth
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
November 2, 2026
Retailer 14$723 USD
Retailer 5$787 USD
Retailer 12$839 USD
Retailer 16$839 USD
Retailer 2$988 USD
Retailer 3$1,015 USD
Retailer 6$1,185 USD
Retailer 4$1,359 USD
Retailer 15$1,385 USD
Retailer 7$1,399 USD
Retailer 10$1,785 USD
Retailer 9$1,797 USD
Retailer 13$2,066 USD
Retailer 8$2,892 USD
Retailer 11$3,298 USD
Brilliant Earth$5,540 USD

39 data points across 16 retailers

18 retailers$723 USD to $3,298 USD

Retailer 1
-
$694 USD
Price last confirmed 31 days ago
A
Retailer 2
-
$723 USD
View
Retailer 3
-
$787 USD
View
Price last confirmed 34 days ago
Retailer 4
-
$827 USD
View
Price last confirmed 36 days ago
Retailer 5
-
$839 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
$839 USD
View
A
Retailer 7
-
$988 USD
£778 GBP
View
A
Retailer 8
-
$1,015 USD
View
A
Retailer 9
-
$1,185 USD
View
A
Retailer 10
-
$1,359 USD
View
B+
Retailer 11
-
$1,399 USD
View
B+
Retailer 12
-
$1,785 USD
ZAR 28,841 ZAR
View
B+
Retailer 13
-
$1,797 USD
A$2,765 AUD
View
B+
Retailer 14
-
$2,066 USD
View
Retailer 15
-
$2,358 USD
View
Price last confirmed 32 days ago
B
Retailer 16
-
$2,892 USD
View
B
Retailer 17
-
$3,298 USD
£2,597 GBP
View
Most Expensive
Brilliant Earth
15817032A · Oct 18
$5,540 USD
View
Price last confirmed 14 days ago
17 more retailers have this diamond
Prices start from $723 USDSave up to $2,575 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
$723 USD