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Radiant|Lab Grown|IGI

1.58ct E VS1 Radiant Lab Grown Diamond

VG • E/VS1 • IGI LG639470973

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG639470973

Diamond specifications and retailer prices

From $369 NZD
$208 USD
As of October 30, 2026
Save $3,180 NZD (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,549 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.58ct lab-grown radiant diamond

This 1.58ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG639470973 or 639470973. Listed at 22 retailers as of October 30, 2026, with prices from $369 to $3,549, a $3,180 spread on the same certified stone. Brilliant Earth lists it at $3,549. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.58
Carat
E
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.5°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG639470973
Dimensions8.43 × 5.66 × 3.86 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.43 mm5.66 mm1.58 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG639470973
Side View
Table 66.0%Crown 29.5°Girdle: MediumPavilion 35.4°Culet: NoneDepth 68.2%

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: $3,549 NZD|Low: $369 NZD|High: $3,726 NZD|Avg: $1,146 NZD|-4.8%
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 21$369 NZD
Retailer 10$412 NZD
Retailer 18$429 NZD
Retailer 4$460 NZD
Retailer 5$460 NZD
Retailer 20$539 NZD
Retailer 13$788 NZD
Retailer 12$791 NZD
Retailer 2$846 NZD
Retailer 17$851 NZD
Retailer 9$969 NZD
Retailer 7$1,050 NZD
Retailer 15$1,071 NZD
Retailer 3$1,474 NZD
Retailer 19$1,480 NZD
Retailer 11$1,569 NZD
Retailer 6$1,828 NZD
Retailer 16$1,841 NZD
Retailer 8$1,868 NZD
Retailer 14$2,166 NZD
Brilliant Earth$3,549 NZD

36 data points across 21 retailers

22 retailers$369 NZD to $3,549 NZD

A
Cheapest Retailer
-
$369 NZD
$208 USD
A
Retailer 2
-
$412 NZD
$232 USD
View
Final sale: no returns
A
Retailer 3
-
$429 NZD
$242 USD
View
A
Retailer 4
-
$460 NZD
$259 USD
View
A
Retailer 5
-
$460 NZD
$259 USD
View
Retailer 6
-
$539 NZD
£239 GBP
View
Price last confirmed 13 days ago
A
Retailer 7
-
$788 NZD
ZAR 7,175 ZAR
View
B+
Retailer 8
-
$791 NZD
$446 USD
View
A
Retailer 9
-
$846 NZD
£376 GBP
View
Retailer 10
-
$851 NZD
€457 EUR
View
Price last confirmed 7 days ago
B+
Retailer 11
-
$969 NZD
$546 USD
View
B+
Retailer 12
-
$1,050 NZD
$592 USD
View
A
Retailer 13
-
$1,071 NZD
A$929 AUD
View
B+
Retailer 14
-
$1,474 NZD
$831 USD
View
B+
Retailer 15
-
$1,480 NZD
$834 USD
View
B
Retailer 16
-
$1,569 NZD
$884 USD
View
B
Retailer 17
-
$1,693 NZD
£752 GBP
View
Retailer 18
-
$1,828 NZD
$1,030 USD
View
Price last confirmed 11 days ago
B
Retailer 19
-
$1,841 NZD
£817 GBP
View
B
Retailer 20
-
$1,868 NZD
$1,053 USD
View
B
Retailer 21
-
$2,166 NZD
$1,221 USD
View
Most Expensive
B
Brilliant Earth
10979128A · Oct 30
$3,549 NZD
$2,000 USD
View
21 more retailers have this diamond
Prices start from $369 NZDSave up to $3,180 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 Radiant
$369 NZD