CaratHunter
Plans
Heart|Lab Grown|IGI

4.59ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG823670602

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG823670602

Diamond specifications and retailer prices

From $2,296 NZD
$1,294 USD
As of October 31, 2026
Save $6,846 NZD (75%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $18,098 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.59ct lab-grown heart diamond

This 4.59ct 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 LG823670602 or 823670602. Listed at 8 retailers as of October 31, 2026, with a 298% 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

4.59
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823670602
Dimensions10.26 × 11.64 × 6.64 mm
L/W Ratio1.13
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.26 mm11.64 mm4.59 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823670602
Side View
Table 62.0%Crown 36°Girdle: MED-STKPavilion 39°Culet: NoneDepth 57.0%

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 31
Current: $6,889 NZD|Low: $1,703 NZD|High: $9,142 NZD|Avg: $3,326 NZD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 12$2,083 NZD
Retailer 11$2,242 NZD
Retailer 3$2,253 NZD
Retailer 9$2,296 NZD
Retailer 8$2,688 NZD
Retailer 7$3,000 NZD
Retailer 6$3,157 NZD
Retailer 10$3,502 NZD
Retailer 2$4,873 NZD
Retailer 4$5,083 NZD
Retailer 1$6,889 NZD
Retailer 5$9,142 NZD

10 data points across 12 retailers

8 retailers$2,296 NZD to $9,142 NZD

A
Cheapest Retailer
-
$2,296 NZD
$1,294 USD
Final sale: no returns
A
Retailer 2
-
$2,688 NZD
$1,515 USD
View
A
Retailer 3
-
$3,000 NZD
$1,691 USD
View
A
Retailer 4
-
$3,157 NZD
HK$13,900 HKD
View
Retailer 5
-
$3,502 NZD
$1,974 USD
View
Price last confirmed 21 days ago
B
Retailer 6
-
$6,889 NZD
A$5,973 AUD
View
B
Retailer 7
-
$9,142 NZD
SGD 6,963 SGD
View
Most Expensive
Brilliant Earth
22350875Y · Oct 31
$18,098 NZD
$10,200 USD
View
Price under review
7 more retailers have this diamond
Prices start from $2,296 NZDSave up to $6,846 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
4.59ct Heart
$2,296 NZD