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Radiant|Lab Grown|IGI

1.58ct E VS1 Radiant Lab Grown Diamond

EX • E/VS1 • IGI LG648486277

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

Certificate IGI LG648486277

Diamond specifications and retailer prices

From $370 NZD
$208 USD
As of October 27, 2026
Save $1,803 NZD (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,739 NZD at Brilliant Earth · As of October 13, 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 top-tier cut grade and certified by IGI LG648486277 or 648486277. Listed at 22 retailers as of October 27, 2026, with a 487% 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.1°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG648486277
Dimensions8.54 × 5.70 × 3.84 mm
L/W Ratio1.50
Culet sizePointed
Top View
8.54 mm5.70 mm1.58 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG648486277
Side View
Table 65.0%Crown 42.1°Girdle: MediumPavilion 35.3°Culet: NoneDepth 67.4%

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 27
Current: $3,739 NZD|Low: $370 NZD|High: $3,739 NZD|Avg: $1,151 NZD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
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Retailer 19
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Retailer 21
October 30, 2026
Retailer 21$370 NZD
Retailer 10$413 NZD
Retailer 18$431 NZD
Retailer 4$461 NZD
Retailer 5$461 NZD
Retailer 20$541 NZD
Retailer 15$791 NZD
Retailer 12$794 NZD
Retailer 2$849 NZD
Retailer 17$854 NZD
Retailer 9$972 NZD
Retailer 7$1,054 NZD
Retailer 16$1,075 NZD
Retailer 3$1,480 NZD
Retailer 19$1,485 NZD
Retailer 11$1,574 NZD
Retailer 6$1,834 NZD
Retailer 13$1,854 NZD
Retailer 8$1,875 NZD
Retailer 14$2,173 NZD
Brilliant Earth$3,739 NZD

36 data points across 21 retailers

22 retailers$370 NZD to $2,173 NZD

A
Cheapest Retailer
-
$370 NZD
$208 USD
A
Retailer 2
-
$413 NZD
$232 USD
View
Final sale: no returns
A
Retailer 3
-
$431 NZD
$242 USD
View
A
Retailer 4
-
$461 NZD
$259 USD
View
A
Retailer 5
-
$461 NZD
$259 USD
View
Retailer 6
-
$541 NZD
£239 GBP
View
Price last confirmed 13 days ago
A
Retailer 7
-
$791 NZD
ZAR 7,175 ZAR
View
B+
Retailer 8
-
$794 NZD
$446 USD
View
A
Retailer 9
-
$849 NZD
£376 GBP
View
A
Retailer 10
-
$854 NZD
€457 EUR
View
A
Retailer 11
-
$972 NZD
$546 USD
View
B+
Retailer 12
-
$1,054 NZD
$592 USD
View
A
Retailer 13
-
$1,075 NZD
A$929 AUD
View
B+
Retailer 14
-
$1,480 NZD
$831 USD
View
B+
Retailer 15
-
$1,485 NZD
$834 USD
View
B+
Retailer 16
-
$1,574 NZD
$884 USD
View
B
Retailer 17
-
$1,699 NZD
£752 GBP
View
Retailer 18
-
$1,834 NZD
$1,030 USD
View
Price last confirmed 11 days ago
B+
Retailer 19
-
$1,854 NZD
£820 GBP
View
B
Retailer 20
-
$1,875 NZD
$1,053 USD
View
B
Retailer 21
-
$2,173 NZD
$1,221 USD
View
Most Expensive
Brilliant Earth
11435541A · Oct 13
$3,739 NZD
$2,100 USD
View
Price last confirmed 16 days ago
21 more retailers have this diamond
Prices start from $370 NZDSave up to $1,803 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
$370 NZD