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Heart|Lab Grown|IGI

1.58ct E VVS1 Heart Lab Grown Diamond

EX • E/VVS1 • IGI LG778664159

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG778664159

Diamond specifications and retailer prices

From $507 NZD
$286 USD
As of October 30, 2026
Save $2,115 NZD (81%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $4,826 NZD at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

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 E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG778664159 or 778664159. Listed at 24 retailers as of October 30, 2026, with a 417% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.58
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778664159
Dimensions7.32 × 8.05 × 7.32 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.32 mm8.05 mm1.58 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778664159
Side View
Table 63.0%Crown 38°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 58.5%

Caratlytics Score

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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: $4,826 NZD|Low: $486 NZD|High: $4,826 NZD|Avg: $1,453 NZD
Brilliant Earth
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
Retailer 20
October 31, 2026
Retailer 6$507 NZD
Retailer 7$566 NZD
Retailer 10$587 NZD
Retailer 8$628 NZD
Retailer 11$628 NZD
Retailer 14$666 NZD
Retailer 13$848 NZD
Retailer 20$905 NZD
Retailer 17$995 NZD
Retailer 19$1,080 NZD
Retailer 16$1,110 NZD
Retailer 12$1,228 NZD
Retailer 18$1,461 NZD
Retailer 2$1,513 NZD
Retailer 9$2,021 NZD
Retailer 4$2,418 NZD
Retailer 15$2,474 NZD
Retailer 3$2,522 NZD
Retailer 5$2,603 NZD
Brilliant Earth$4,826 NZD

44 data points across 20 retailers

24 retailers$507 NZD to $2,622 NZD

A
Cheapest Retailer
-
$507 NZD
$286 USD
A
Retailer 2
-
$566 NZD
$319 USD
View
Final sale: no returns
A
Retailer 3
-
$587 NZD
$331 USD
View
A
Retailer 4
-
$628 NZD
$354 USD
View
A
Retailer 5
-
$628 NZD
$354 USD
View
A
Retailer 6
-
$666 NZD
£296 GBP
View
A
Retailer 7
-
$848 NZD
$478 USD
View
A
Retailer 8
-
$905 NZD
$510 USD
View
A
Retailer 9
-
$995 NZD
€534 EUR
View
A
Retailer 10
-
$1,080 NZD
ZAR 9,830 ZAR
View
B+
Retailer 11
-
$1,110 NZD
£493 GBP
View
B+
Retailer 12
-
$1,212 NZD
$683 USD
View
B+
Retailer 13
-
$1,228 NZD
$692 USD
View
B+
Retailer 14
-
$1,332 NZD
$751 USD
View
B+
Retailer 15
-
$1,461 NZD
A$1,267 AUD
View
B+
Retailer 16
-
$1,513 NZD
$853 USD
View
B
Retailer 17
-
$2,021 NZD
$1,139 USD
View
B
Retailer 18
-
$2,107 NZD
$1,188 USD
View
B
Retailer 19
-
$2,418 NZD
$1,363 USD
View
B
Retailer 20
-
$2,474 NZD
A$2,145 AUD
View
B
Retailer 21
-
$2,522 NZD
£1,119 GBP
View
B
Retailer 22
-
$2,603 NZD
$1,467 USD
View
B
Retailer 23
-
$2,622 NZD
$1,478 USD
View
Most Expensive
Brilliant Earth
18298002A · Oct 16
$4,826 NZD
$2,720 USD
View
Price last confirmed 14 days ago
23 more retailers have this diamond
Prices start from $507 NZDSave up to $2,115 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
$507 NZD