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Heart|Lab Grown|IGI

4.55ct E VS1 Heart Lab Grown Diamond

EX • E/VS1 • IGI LG821603031

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG821603031

Diamond specifications and retailer prices

From $674 USD
As of October 30, 2026
Save $4,716 USD (87%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $5,390 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4.55ct lab-grown heart diamond

This 4.55ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG821603031 or 821603031. Listed at 20 retailers as of October 30, 2026, with prices from $674 to $5,390, a $4,716 spread on the same certified stone. Brilliant Earth lists it at $5,390. 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

4.55
Carat
E
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821603031
Dimensions10.71 × 11.10 × 6.64 mm
L/W Ratio1.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.71 mm11.10 mm4.55 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821603031
Side View
Table 60.0%Crown 37.9°Girdle: MED-STKPavilion 38.1°Culet: NoneDepth 59.8%

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: Oct 30
Current: $5,390 USD|Low: $653 USD|High: $5,550 USD|Avg: $1,864 USD|-2.9%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 30, 2026
Retailer 8$674 USD
Retailer 18$733 USD
Retailer 6$754 USD
Retailer 11$781 USD
Retailer 20$781 USD
Retailer 15$960 USD
Retailer 12$1,001 USD
Retailer 5$1,145 USD
Retailer 13$1,248 USD
Retailer 14$1,663 USD
Retailer 2$1,674 USD
Retailer 17$1,711 USD
Retailer 19$1,986 USD
Retailer 10$2,197 USD
Retailer 3$2,579 USD
Retailer 7$2,665 USD
Retailer 4$2,695 USD
Retailer 9$2,780 USD
Retailer 16$3,296 USD
Brilliant Earth$5,390 USD

43 data points across 20 retailers

20 retailers$674 USD to $5,390 USD

A
Cheapest Retailer
-
$674 USD
A
Retailer 2
-
$733 USD
View
A
Retailer 3
-
$754 USD
View
Final sale: no returns
Retailer 4
-
$781 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$781 USD
View
A
Retailer 6
-
$960 USD
View
B+
Retailer 7
-
$1,001 USD
View
A
Retailer 8
-
$1,145 USD
View
A
Retailer 9
-
$1,248 USD
£982 GBP
View
A
Retailer 10
-
$1,663 USD
ZAR 26,865 ZAR
View
A
Retailer 11
-
$1,674 USD
A$2,576 AUD
View
A
Retailer 12
-
$1,711 USD
View
B+
Retailer 13
-
$1,986 USD
View
B+
Retailer 14
-
$2,197 USD
View
B+
Retailer 15
-
$2,579 USD
View
B+
Retailer 16
-
$2,665 USD
View
B+
Retailer 17
-
$2,695 USD
View
B+
Retailer 18
-
$2,780 USD
View
B
Retailer 19
-
$3,296 USD
£2,595 GBP
View
Most Expensive
B
Brilliant Earth
21127833A · Oct 30
$5,390 USD
View
19 more retailers have this diamond
Prices start from $674 USDSave up to $4,716 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
4.55ct Heart
$674 USD