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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 $960 AUD
$674 USD
As of October 30, 2026
Save $6,714 AUD (87%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $7,673 AUD 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 $960 to $7,673, a $6,714 spread on the same certified stone. Brilliant Earth lists it at $7,673. 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
Colour
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: $7,673 AUD|Low: $930 AUD|High: $7,901 AUD|Avg: $2,653 AUD|-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$960 AUD
Retailer 18$1,043 AUD
Retailer 6$1,073 AUD
Retailer 11$1,112 AUD
Retailer 20$1,112 AUD
Retailer 15$1,367 AUD
Retailer 12$1,425 AUD
Retailer 5$1,630 AUD
Retailer 13$1,776 AUD
Retailer 14$2,367 AUD
Retailer 2$2,384 AUD
Retailer 17$2,436 AUD
Retailer 19$2,827 AUD
Retailer 10$3,128 AUD
Retailer 3$3,671 AUD
Retailer 7$3,794 AUD
Retailer 4$3,837 AUD
Retailer 9$3,958 AUD
Retailer 16$4,692 AUD
Brilliant Earth$7,673 AUD

43 data points across 20 retailers

20 retailers$960 AUD to $7,673 AUD

A
Cheapest Retailer
-
$960 AUD
$674 USD
A
Retailer 2
-
$1,043 AUD
$733 USD
View
A
Retailer 3
-
$1,073 AUD
$754 USD
View
Final sale: no returns
Retailer 4
-
$1,112 AUD
$781 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$1,112 AUD
$781 USD
View
A
Retailer 6
-
$1,367 AUD
$960 USD
View
B+
Retailer 7
-
$1,425 AUD
$1,001 USD
View
A
Retailer 8
-
$1,630 AUD
$1,145 USD
View
A
Retailer 9
-
$1,776 AUD
£982 GBP
View
A
Retailer 10
-
$2,367 AUD
ZAR 26,865 ZAR
View
A
Retailer 11
-
$2,384 AUD
View
A
Retailer 12
-
$2,436 AUD
$1,711 USD
View
B+
Retailer 13
-
$2,827 AUD
$1,986 USD
View
B+
Retailer 14
-
$3,128 AUD
$2,197 USD
View
B+
Retailer 15
-
$3,671 AUD
$2,579 USD
View
B+
Retailer 16
-
$3,794 AUD
$2,665 USD
View
B+
Retailer 17
-
$3,837 AUD
$2,695 USD
View
B+
Retailer 18
-
$3,958 AUD
$2,780 USD
View
B
Retailer 19
-
$4,692 AUD
£2,595 GBP
View
Most Expensive
B
Brilliant Earth
21127833A · Oct 30
$7,673 AUD
$5,390 USD
View
19 more retailers have this diamond
Prices start from $960 AUDSave up to $6,714 AUD

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
$960 AUD