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Heart|Lab Grown|IGI

1.58ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG830620135

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG830620135

Diamond specifications and retailer prices

From $1,214 NZD
$684 USD
As of October 30, 2026
Save $6,607 NZD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,821 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG830620135 or 830620135. Listed at 17 retailers as of October 30, 2026, with prices from $1,214 to $7,821, a $6,607 spread on the same certified stone. With Clarity lists it at $7,821. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.4°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830620135
Dimensions7.20 × 8.07 × 4.56 mm
L/W Ratio1.12
Girdle conditionFaceted
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
7.20 mm8.07 mm1.58 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830620135
Side View
Table 57.0%Crown 38.4°Girdle: MED-STKPavilion 36.1°Culet: NoneDepth 56.5%

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: $1,320 NZD|Low: $1,214 NZD|High: $8,978 NZD|Avg: $3,410 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
With Clarity
November 1, 2026
Retailer 2$1,214 NZD
Retailer 1$1,320 NZD
Retailer 5$1,407 NZD
Retailer 6$1,535 NZD
Retailer 10$1,591 NZD
Retailer 13$1,721 NZD
Retailer 14$1,842 NZD
Retailer 4$2,174 NZD
Retailer 12$2,254 NZD
Retailer 16$2,291 NZD
Retailer 11$3,957 NZD
Retailer 8$4,638 NZD
Retailer 3$4,854 NZD
Retailer 7$5,511 NZD
Retailer 9$5,929 NZD
Retailer 15$6,707 NZD
With Clarity$7,821 NZD

4 data points across 17 retailers

17 retailers$1,214 NZD to $7,821 NZD

A
Cheapest Retailer
-
$1,214 NZD
$684 USD
A
Retailer 2
-
$1,320 NZD
$744 USD
View
A
Retailer 3
-
$1,407 NZD
$793 USD
View
A
Retailer 4
-
$1,535 NZD
$865 USD
View
Final sale: no returns
A
Retailer 5
-
$1,591 NZD
£706 GBP
View
A
Retailer 6
-
$1,721 NZD
$970 USD
View
A
Retailer 7
-
$1,842 NZD
$1,038 USD
View
B+
Retailer 8
-
$2,174 NZD
$1,225 USD
View
B+
Retailer 9
-
$2,254 NZD
£1,000 GBP
View
B+
Retailer 10
-
$2,291 NZD
$1,291 USD
View
B
Retailer 11
-
$3,957 NZD
$2,230 USD
View
B
Retailer 12
-
$4,638 NZD
$2,614 USD
View
B
Retailer 13
-
$4,854 NZD
$2,736 USD
View
B
Retailer 14
-
$5,511 NZD
SGD 4,197 SGD
View
B
Retailer 15
-
$5,929 NZD
£2,631 GBP
View
B
Retailer 16
-
$6,707 NZD
$3,780 USD
View
Most Expensive
B
With Clarity
830620135 · Oct 31
$7,821 NZD
$4,408 USD
View
16 more retailers have this diamond
Prices start from $1,214 NZDSave up to $6,607 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
$1,214 NZD