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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 $1,231 AUD
$865 USD
As of October 30, 2026
Save $5,609 AUD (82%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $6,840 AUD 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 $1,231 to $6,840, a $5,609 spread on the same certified stone. With Clarity lists it at $6,840. 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: $2,197 AUD|Low: $1,231 AUD|High: $6,840 AUD|Avg: $2,747 AUD|-3.8%
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 8$1,231 AUD
Retailer 4$1,340 AUD
Retailer 15$1,429 AUD
Retailer 17$1,476 AUD
Retailer 14$1,620 AUD
Retailer 5$1,680 AUD
Retailer 19$1,760 AUD
Retailer 6$1,832 AUD
Retailer 10$2,047 AUD
Retailer 1$2,197 AUD
Retailer 16$2,287 AUD
Retailer 2$2,627 AUD
Retailer 12$2,997 AUD
Retailer 11$3,638 AUD
Retailer 3$4,017 AUD
Retailer 7$4,472 AUD
Retailer 9$4,957 AUD
Retailer 13$5,111 AUD
Retailer 18$5,384 AUD
With Clarity$6,840 AUD

24 data points across 20 retailers

23 retailers$1,231 AUD to $6,840 AUD

A
Cheapest Retailer
-
$1,231 AUD
$865 USD
A
Retailer 2
-
$1,340 AUD
$941 USD
View
A
Retailer 3
-
$1,429 AUD
$1,004 USD
View
Retailer 4
-
$1,462 AUD
$1,027 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$1,476 AUD
$1,037 USD
View
Final sale: no returns
A
Retailer 6
-
$1,620 AUD
£896 GBP
View
A
Retailer 7
-
$1,680 AUD
$1,180 USD
View
B+
Retailer 8
-
$1,760 AUD
$1,236 USD
View
B+
Retailer 9
-
$1,832 AUD
$1,287 USD
View
B+
Retailer 10
-
$2,047 AUD
$1,438 USD
View
B+
Retailer 11
-
$2,197 AUD
£1,215 GBP
View
B+
Retailer 12
-
$2,287 AUD
€1,530 EUR
View
B+
Retailer 13
-
$2,627 AUD
ZAR 29,806 ZAR
View
B+
Retailer 14
-
$2,997 AUD
$2,105 USD
View
Retailer 15
-
$3,152 AUD
$2,214 USD
View
Price last confirmed 25 days ago
Retailer 16
-
$3,638 AUD
View
Price last confirmed 9 days ago
B
Retailer 17
-
$4,017 AUD
$2,822 USD
View
B
Retailer 18
-
$4,232 AUD
$2,973 USD
View
B
Retailer 19
-
$4,472 AUD
$3,141 USD
View
B
Retailer 20
-
$4,957 AUD
$3,482 USD
View
B
Retailer 21
-
$5,111 AUD
$3,590 USD
View
B
Retailer 22
-
$5,384 AUD
£2,978 GBP
View
Most Expensive
B
With Clarity
625468018 · Oct 31
$6,840 AUD
$4,805 USD
View
22 more retailers have this diamond
Prices start from $1,231 AUDSave up to $5,609 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
1.58ct Heart
$1,231 AUD