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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 €647 EUR
$723 USD
As of October 30, 2026
Save €2,305 EUR (78%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €4,959 EUR 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €4,959 EUR|Low: €621 EUR|High: €5,102 EUR|Avg: €1,610 EUR|-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 1, 2026
Retailer 14€647 EUR
Retailer 5€704 EUR
Retailer 12€751 EUR
Retailer 16€751 EUR
Retailer 2€884 EUR
Retailer 3€909 EUR
Retailer 6€1,061 EUR
Retailer 4€1,216 EUR
Retailer 15€1,240 EUR
Retailer 7€1,252 EUR
Retailer 10€1,598 EUR
Retailer 9€1,609 EUR
Retailer 13€1,849 EUR
Retailer 8€2,588 EUR
Retailer 11€2,952 EUR
Brilliant Earth€4,959 EUR

38 data points across 16 retailers

18 retailers€647 EUR to €2,952 EUR

Retailer 1
-
€621 EUR
$694 USD
Price last confirmed 29 days ago
A
Retailer 2
-
€647 EUR
$723 USD
View
Retailer 3
-
€704 EUR
$787 USD
View
Price last confirmed 33 days ago
Retailer 4
-
€740 EUR
$827 USD
View
Price last confirmed 34 days ago
Retailer 5
-
€751 EUR
$839 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
€751 EUR
$839 USD
View
A
Retailer 7
-
€884 EUR
£778 GBP
View
A
Retailer 8
-
€909 EUR
$1,015 USD
View
A
Retailer 9
-
€1,061 EUR
$1,185 USD
View
A
Retailer 10
-
€1,216 EUR
$1,359 USD
View
B+
Retailer 11
-
€1,252 EUR
$1,399 USD
View
B+
Retailer 12
-
€1,598 EUR
ZAR 28,841 ZAR
View
B+
Retailer 13
-
€1,609 EUR
A$2,765 AUD
View
B+
Retailer 14
-
€1,849 EUR
$2,066 USD
View
Retailer 15
-
€2,111 EUR
$2,358 USD
View
Price last confirmed 31 days ago
B
Retailer 16
-
€2,588 EUR
$2,892 USD
View
B
Retailer 17
-
€2,952 EUR
£2,597 GBP
View
Most Expensive
Brilliant Earth
15817032A · Oct 18
€4,959 EUR
$5,540 USD
View
Price last confirmed 13 days ago
17 more retailers have this diamond
Prices start from €647 EURSave up to €2,305 EUR

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
€647 EUR