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Round|Lab Grown|IGI

1.58ct E VS1 Round Lab Grown Diamond

ID • E/VS1 • IGI LG778647108

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778647108

Diamond specifications and retailer prices

From $397 NZD
$223 USD
As of October 29, 2026
Save $1,860 NZD (82%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $2,493 NZD at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.58ct lab-grown round diamond

This 1.58ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778647108 or 778647108. Listed at 26 retailers as of October 29, 2026, with a 468% 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778647108
Dimensions7.45 × 7.48 × 4.63 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.45 mm7.48 mm1.58 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778647108
Side View
Table 56.0%Crown 35.2°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.0%

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 29
Current: $2,493 NZD|Low: $393 NZD|High: $2,493 NZD|Avg: $1,079 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
Retailer 21
October 30, 2026
Retailer 11$397 NZD
Retailer 15$452 NZD
Retailer 20$461 NZD
Retailer 5$493 NZD
Retailer 6$493 NZD
Retailer 2$798 NZD
Retailer 7$842 NZD
Retailer 18$846 NZD
Retailer 3$892 NZD
Retailer 13$916 NZD
Retailer 17$933 NZD
Retailer 4$949 NZD
Retailer 21$1,028 NZD
Retailer 19$1,150 NZD
Retailer 9$1,348 NZD
Retailer 12$1,585 NZD
Retailer 10$1,678 NZD
Retailer 14$1,854 NZD
Retailer 16$1,985 NZD
Retailer 8$2,257 NZD
Brilliant Earth$2,493 NZD

30 data points across 21 retailers

26 retailers$397 NZD to $2,257 NZD

A
Cheapest Retailer
-
$397 NZD
$223 USD
A
Retailer 2
-
$452 NZD
$254 USD
View
Final sale: no returns
A
Retailer 3
-
$461 NZD
$259 USD
View
A
Retailer 4
-
$493 NZD
$277 USD
View
Retailer 5
-
$493 NZD
$277 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$798 NZD
£353 GBP
View
B+
Retailer 7
-
$842 NZD
$473 USD
View
A
Retailer 8
-
$846 NZD
ZAR 7,680 ZAR
View
A
Retailer 9
-
$892 NZD
$501 USD
View
A
Retailer 10
-
$916 NZD
£405 GBP
View
A
Retailer 11
-
$933 NZD
€499 EUR
View
A
Retailer 12
-
$949 NZD
$533 USD
View
B+
Retailer 13
-
$1,028 NZD
A$888 AUD
View
B+
Retailer 14
-
$1,150 NZD
A$994 AUD
View
B+
Retailer 15
-
$1,348 NZD
$757 USD
View
Retailer 16
-
$1,570 NZD
$882 USD
View
Price last confirmed 39 days ago
Retailer 17
-
$1,578 NZD
$886 USD
View
Price last confirmed 95 days ago
B+
Retailer 18
-
$1,585 NZD
$890 USD
View
B
Retailer 19
-
$1,678 NZD
$942 USD
View
B
Retailer 20
-
$1,854 NZD
$1,041 USD
View
Retailer 21
-
$1,859 NZD
A$1,606 AUD
View
Price last confirmed 29 days ago
B
Retailer 22
-
$1,985 NZD
£878 GBP
View
B
Retailer 23
-
$1,989 NZD
$1,117 USD
View
B
Retailer 24
-
$2,092 NZD
$1,175 USD
View
B
Retailer 25
-
$2,257 NZD
$1,268 USD
View
Most Expensive
Brilliant Earth
20258441A · Oct 16
$2,493 NZD
$1,400 USD
View
Price last confirmed 13 days ago
25 more retailers have this diamond
Prices start from $397 NZDSave up to $1,860 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 Round
$397 NZD