Heart|Lab Grown|IGI

1.58ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG625468018

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG625468018

Diamond specifications and retailer prices

From $1,535 NZD
$865 USD
As of October 30, 2026
Save $6,991 NZD (82%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $8,526 NZD at With Clarity · As of October 31, 2026
View at With Clarity

About this 1.58ct lab-grown heart diamond

This 1.58ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG625468018 or 625468018. Listed at 23 retailers as of October 30, 2026, with prices from $1,535 to $8,526, a $6,991 spread on the same certified stone. With Clarity lists it at $8,526. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.58
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG625468018
Dimensions7.29 × 8.09 × 4.77 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.29 mm8.09 mm1.58 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG625468018
Side View
Table 59.0%Crown 36.5°Girdle: THN-STKPavilion 41.1°Culet: NoneDepth 59.0%

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 30
Current: $4,434 NZD|Low: $1,535 NZD|High: $8,526 NZD|Avg: $3,390 NZD|-2.2%
Retailer 1
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
With Clarity
October 31, 2026
Retailer 9$1,535 NZD
Retailer 5$1,670 NZD
Retailer 17$1,781 NZD
Retailer 18$1,840 NZD
Retailer 16$2,019 NZD
Retailer 6$2,094 NZD
Retailer 2$2,193 NZD
Retailer 7$2,284 NZD
Retailer 11$2,551 NZD
Retailer 13$2,739 NZD
Retailer 12$2,832 NZD
Retailer 3$3,274 NZD
Retailer 14$3,735 NZD
Retailer 1$4,434 NZD
Retailer 4$5,007 NZD
Retailer 8$5,573 NZD
Retailer 10$6,178 NZD
Retailer 15$6,370 NZD
Retailer 19$6,711 NZD
With Clarity$8,526 NZD

24 data points across 20 retailers

23 retailers$1,535 NZD to $8,526 NZD

A
Cheapest Retailer
-
$1,535 NZD
$865 USD
A
Retailer 2
-
$1,670 NZD
$941 USD
View
A
Retailer 3
-
$1,781 NZD
$1,004 USD
View
Retailer 4
-
$1,822 NZD
$1,027 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$1,840 NZD
$1,037 USD
View
Final sale: no returns
A
Retailer 6
-
$2,019 NZD
£896 GBP
View
A
Retailer 7
-
$2,094 NZD
$1,180 USD
View
B+
Retailer 8
-
$2,193 NZD
$1,236 USD
View
B+
Retailer 9
-
$2,284 NZD
$1,287 USD
View
B+
Retailer 10
-
$2,551 NZD
$1,438 USD
View
B+
Retailer 11
-
$2,739 NZD
£1,215 GBP
View
B+
Retailer 12
-
$2,832 NZD
€1,520 EUR
View
B+
Retailer 13
-
$3,274 NZD
ZAR 29,806 ZAR
View
B+
Retailer 14
-
$3,735 NZD
$2,105 USD
View
Retailer 15
-
$3,928 NZD
$2,214 USD
View
Price last confirmed 25 days ago
B+
Retailer 16
-
$4,434 NZD
A$3,845 AUD
View
B
Retailer 17
-
$5,007 NZD
$2,822 USD
View
B
Retailer 18
-
$5,275 NZD
$2,973 USD
View
B
Retailer 19
-
$5,573 NZD
$3,141 USD
View
B
Retailer 20
-
$6,178 NZD
$3,482 USD
View
B
Retailer 21
-
$6,370 NZD
$3,590 USD
View
B
Retailer 22
-
$6,711 NZD
£2,978 GBP
View
Most Expensive
B
With Clarity
625468018 · Oct 31
$8,526 NZD
$4,805 USD
View
22 more retailers have this diamond
Prices start from $1,535 NZDSave up to $6,991 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
1.58ct Heart
$1,535 NZD