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Heart|Lab Grown|IGI

4.56ct E VVS1 Heart Lab Grown Diamond

EX • E/VVS1 • IGI LG739587746

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG739587746

Diamond specifications and retailer prices

From $2,090 NZD
$1,176 USD
As of November 1, 2026
Save $12,430 NZD (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $14,521 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 4.56ct lab-grown heart diamond

This 4.56ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG739587746 or 739587746. Listed at 23 retailers as of November 1, 2026, with prices from $2,090 to $14,521, a $12,430 spread on the same certified stone. Brilliant Earth lists it at $14,521. 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

4.56
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739587746
Dimensions10.53 × 11.29 × 6.64 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.53 mm11.29 mm4.56 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739587746
Side View
Table 58.0%Crown 35.3°Girdle: MED-STKPavilion 39°Culet: NoneDepth 58.8%

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: Nov 1
Current: $14,521 NZD|Low: $1,921 NZD|High: $20,759 NZD|Avg: $5,616 NZD|-30.1%
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
November 2, 2026
Retailer 6$2,090 NZD
Retailer 9$2,151 NZD
Retailer 18$2,229 NZD
Retailer 13$2,325 NZD
Retailer 17$2,542 NZD
Retailer 3$2,929 NZD
Retailer 14$3,229 NZD
Retailer 11$3,549 NZD
Retailer 16$3,549 NZD
Retailer 5$4,177 NZD
Retailer 2$4,178 NZD
Retailer 19$4,744 NZD
Retailer 15$4,775 NZD
Retailer 8$6,112 NZD
Retailer 4$6,590 NZD
Retailer 7$6,787 NZD
Retailer 12$6,847 NZD
Retailer 20$7,600 NZD
Retailer 10$7,787 NZD
Brilliant Earth$14,521 NZD

37 data points across 20 retailers

23 retailers$2,090 NZD to $14,521 NZD

A
Cheapest Retailer
-
$2,090 NZD
$1,176 USD
A
Retailer 2
-
$2,151 NZD
$1,210 USD
View
Final sale: no returns
A
Retailer 3
-
$2,229 NZD
$1,254 USD
View
A
Retailer 4
-
$2,325 NZD
$1,308 USD
View
A
Retailer 5
-
$2,542 NZD
$1,430 USD
View
Retailer 6
-
$2,710 NZD
$1,525 USD
View
Price last confirmed 21 days ago
A
Retailer 7
-
$2,929 NZD
$1,648 USD
View
A
Retailer 8
-
$3,229 NZD
£1,430 GBP
View
A
Retailer 9
-
$3,549 NZD
$1,997 USD
View
A
Retailer 10
-
$3,549 NZD
€1,902 EUR
View
B+
Retailer 11
-
$4,177 NZD
$2,350 USD
View
B+
Retailer 12
-
$4,178 NZD
$2,351 USD
View
Retailer 13
-
$4,481 NZD
$2,521 USD
View
Price last confirmed 26 days ago
B+
Retailer 14
-
$4,744 NZD
ZAR 43,119 ZAR
View
B+
Retailer 15
-
$4,775 NZD
A$4,133 AUD
View
B+
Retailer 16
-
$6,112 NZD
$3,439 USD
View
B
Retailer 17
-
$6,453 NZD
$3,631 USD
View
B+
Retailer 18
-
$6,590 NZD
$3,708 USD
View
B
Retailer 19
-
$6,787 NZD
$3,819 USD
View
B
Retailer 20
-
$6,847 NZD
$3,852 USD
View
B+
Retailer 21
-
$7,600 NZD
£3,367 GBP
View
B
Retailer 22
-
$7,787 NZD
$4,382 USD
View
Most Expensive
B
Brilliant Earth
20044270A · Nov 2
$14,521 NZD
$8,170 USD
View
22 more retailers have this diamond
Prices start from $2,090 NZDSave up to $12,430 NZD

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
4.56ct Heart
$2,090 NZD