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Heart|Lab Grown|IGI

1.58ct I VS1 Heart Lab Grown Diamond

ID • I/VS1 • IGI LG425067517

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG425067517

Diamond specifications and retailer prices

From $1,828 NZD
$1,030 USD
As of October 31, 2026
Save $4,537 NZD (71%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,364 NZD at NZ Jewellers · As of November 1, 2026
View at NZ Jewellers

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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG425067517 or 425067517. Listed at 12 retailers as of October 31, 2026, with prices from $1,828 to $6,364, a $4,537 spread on the same certified stone. NZ Jewellers lists it at $6,364. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.58
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425067517
Dimensions8.24 × 7.04 × 4.73 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.24 mm7.04 mm1.58 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG425067517
Side View
Table 54.5%Crown 36.3°Girdle: MediumPavilion 41.1°Culet: NoneDepth 57.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $6,364 NZD|Low: $1,828 NZD|High: $9,827 NZD|Avg: $4,808 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 7$1,828 NZD
Retailer 10$2,928 NZD
Retailer 13$3,185 NZD
Retailer 3$3,394 NZD
Retailer 11$3,396 NZD
Retailer 4$3,699 NZD
Retailer 5$4,548 NZD
Retailer 6$4,747 NZD
Retailer 12$5,337 NZD
Retailer 9$5,853 NZD
Retailer 8$6,241 NZD
NZ Jewellers$6,364 NZD
Retailer 2$9,696 NZD

29 data points across 13 retailers

12 retailers$1,828 NZD to $6,364 NZD

B+
Cheapest Retailer
-
$1,828 NZD
$1,030 USD
B
Retailer 2
-
$2,928 NZD
$1,650 USD
View
B
Retailer 3
-
$3,185 NZD
$1,795 USD
View
Retailer 4
-
$3,394 NZD
$1,913 USD
View
Price last confirmed 20 days ago
B
Retailer 5
-
$3,396 NZD
$1,914 USD
View
B
Retailer 6
-
$3,699 NZD
$2,085 USD
View
B
Retailer 7
-
$4,747 NZD
£2,107 GBP
View
B
Retailer 8
-
$5,337 NZD
$3,008 USD
View
B
Retailer 9
-
$5,853 NZD
$3,299 USD
View
B
Retailer 10
-
$6,241 NZD
ZAR 56,828 ZAR
View
Most Expensive
B
NZ Jewellers
f82a7ff2-7782-451e-9e56-3f0362d22b89 · Nov 1
$6,364 NZD
$3,587 USD
View
10 more retailers have this diamond
Prices start from $1,828 NZDSave up to $4,537 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.

B+
1.58ct Heart
$1,828 NZD