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Radiant|Lab Grown|IGI

1.04ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG472172673

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

Certificate IGI LG472172673

Diamond specifications and retailer prices

From $1,268 NZD
As of November 6, 2026
Save $1,120 NZD (47%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,136 NZD at NZ Jewellers · As of November 6, 2026
View at NZ Jewellers

About this 1.04ct lab-grown radiant diamond

This 1.04ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG472172673 or 472172673. Listed at 12 retailers as of November 6, 2026, with a 88% 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

1.04
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49.6°
Pavilion angle30.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG472172673
Dimensions6.34 × 5.00 × 3.49 mm
L/W Ratio1.27
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
6.34 mm5.00 mm1.04 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG472172673
Side View
Table 65.0%Crown 49.6°Girdle: STK-THKPavilion 30.8°Culet: NoneDepth 69.8%

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: Nov 6
Current: $4,136 NZD|Low: $1,218 NZD|High: $5,846 NZD|Avg: $2,431 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 7$1,268 NZD
Retailer 11$1,380 NZD
Retailer 3$1,420 NZD
Retailer 9$1,470 NZD
Retailer 8$1,678 NZD
Retailer 5$1,786 NZD
Retailer 2$2,327 NZD
Retailer 10$2,388 NZD
Retailer 6$3,624 NZD
NZ Jewellers$4,136 NZD
Retailer 4$5,762 NZD

44 data points across 11 retailers

12 retailers$1,268 NZD to $2,388 NZD

B+
Cheapest Retailer
-
$1,268 NZD
B
Retailer 2
-
$1,380 NZD
View
B
Retailer 3
-
$1,420 NZD
View
Final sale: no returns
Retailer 4
-
$1,470 NZD
View
Price last confirmed 26 days ago
B
Retailer 5
-
$1,470 NZD
View
B
Retailer 6
-
$1,678 NZD
View
B
Retailer 7
-
$1,786 NZD
View
B
Retailer 8
-
$2,327 NZD
View
B
Retailer 9
-
$2,388 NZD
View
Retailer 10
-
$3,624 NZD
View
Price under review
Most Expensive
NZ Jewellers
2a5ce30c-afbc-4413-a17d-52200b8a1a68 · Nov 6
$4,136 NZD
$2,293 USD
View
Price under review
10 more retailers have this diamond
Prices start from $1,268 NZDSave up to $1,120 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+
1.04ct Radiant
$1,268 NZD