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Radiant|Lab Grown|IGI

1.01ct E SI2 Radiant Lab Grown Diamond

ID • E/SI2 • IGI LG474115728

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

Certificate IGI LG474115728

Diamond specifications and retailer prices

From $1,054 NZD
$592 USD
As of October 27, 2026
Save $2,190 NZD (68%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,438 NZD at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 1.01ct lab-grown radiant diamond

This 1.01ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG474115728 or 474115728. Listed at 11 retailers as of October 26, 2026, with a 208% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.01
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.7°
Pavilion angle31.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG474115728
Dimensions6.46 × 4.99 × 3.45 mm
L/W Ratio1.29
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.46 mm4.99 mm1.01 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG474115728
Side View
Table 66.0%Crown 46.7°Girdle: Slightly ThickPavilion 31.8°Culet: NoneDepth 69.1%

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 27
Current: $3,438 NZD|Low: $840 NZD|High: $5,744 NZD|Avg: $2,428 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 8$1,179 NZD
Retailer 6$1,307 NZD
Retailer 5$1,460 NZD
Retailer 7$2,008 NZD
Retailer 2$2,044 NZD
Retailer 4$3,244 NZD
NZ Jewellers$3,438 NZD
Retailer 3$5,705 NZD

41 data points across 8 retailers

11 retailers$1,054 NZD to $3,244 NZD

B+
Cheapest Retailer
-
$1,054 NZD
$592 USD
B
Retailer 2
-
$1,179 NZD
$662 USD
View
Final sale: no returns
B
Retailer 3
-
$1,180 NZD
$663 USD
View
Retailer 4
-
$1,307 NZD
$734 USD
View
Price last confirmed 13 days ago
B
Retailer 5
-
$1,307 NZD
$734 USD
View
B
Retailer 6
-
$1,460 NZD
$820 USD
View
B
Retailer 7
-
$2,008 NZD
$1,128 USD
View
B
Retailer 8
-
$2,044 NZD
£904 GBP
View
B
Retailer 9
-
$3,244 NZD
$1,822 USD
View
Most Expensive
NZ Jewellers
af383010-d3f5-4fa2-9e61-82b3652d8933 · Oct 28
$3,438 NZD
$1,931 USD
View
Price under review
9 more retailers have this diamond
Prices start from $1,054 NZDSave up to $2,190 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+
1.01ct Radiant
$1,054 NZD