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Heart|Lab Grown|IGI

4.55ct E VVS2 Heart Lab Grown Diamond

EX • E/VVS2 • IGI LG712536491

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG712536491

Diamond specifications and retailer prices

From $1,137 AUD
$799 USD
As of October 29, 2026
Save $10,935 AUD (91%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $12,072 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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG712536491 or 712536491. Listed at 16 retailers as of October 29, 2026, with prices from $1,137 to $12,072, a $10,935 spread on the same certified stone. Brilliant Earth lists it at $12,072. 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
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG712536491
Dimensions9.78 × 11.58 × 6.97 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.78 mm11.58 mm4.55 ctE / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG712536491
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 60.2%

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 29
Current: $12,072 AUD|Low: $987 AUD|High: $15,047 AUD|Avg: $3,301 AUD|-19.8%
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
Retailer 17
October 30, 2026
Retailer 15$987 AUD
Retailer 16$1,137 AUD
Retailer 6$1,163 AUD
Retailer 5$1,179 AUD
Retailer 12$1,452 AUD
Retailer 7$1,801 AUD
Retailer 2$1,891 AUD
Retailer 17$1,913 AUD
Retailer 11$2,510 AUD
Retailer 13$2,541 AUD
Retailer 14$2,904 AUD
Retailer 8$2,938 AUD
Retailer 3$3,847 AUD
Retailer 4$4,023 AUD
Retailer 9$4,066 AUD
Retailer 10$4,656 AUD
Brilliant Earth$12,072 AUD

35 data points across 17 retailers

16 retailers$1,137 AUD to $12,072 AUD

Retailer 1
-
$987 AUD
£546 GBP
Price last confirmed 13 days ago
A
Retailer 2
-
$1,137 AUD
$799 USD
View
Final sale: no returns
Retailer 3
-
$1,163 AUD
$817 USD
View
Price last confirmed 33 days ago
A
Retailer 4
-
$1,452 AUD
$1,020 USD
View
A
Retailer 5
-
$1,801 AUD
$1,265 USD
View
A
Retailer 6
-
$1,891 AUD
£1,046 GBP
View
B+
Retailer 7
-
$1,913 AUD
$1,344 USD
View
A
Retailer 8
-
$2,510 AUD
ZAR 28,484 ZAR
View
Retailer 9
-
$2,541 AUD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$2,904 AUD
$2,040 USD
View
B+
Retailer 11
-
$2,938 AUD
$2,064 USD
View
B+
Retailer 12
-
$3,847 AUD
$2,702 USD
View
B+
Retailer 13
-
$4,023 AUD
$2,826 USD
View
B+
Retailer 14
-
$4,066 AUD
$2,856 USD
View
B+
Retailer 15
-
$4,656 AUD
£2,575 GBP
View
Most Expensive
B
Brilliant Earth
14871371A · Oct 30
$12,072 AUD
$8,480 USD
View
15 more retailers have this diamond
Prices start from $1,137 AUDSave up to $10,935 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
$1,137 AUD