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Radiant|Lab Grown|IGI

1.01ct D SI2 Radiant Lab Grown Diamond

ID • D/SI2 • IGI LG474116508

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

Certificate IGI LG474116508

Diamond specifications and retailer prices

From $1,118 NZD
As of November 6, 2026
Save $1,041 NZD (48%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,662 NZD at NZ Jewellers · As of November 6, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG474116508 or 474116508. Listed at 11 retailers as of November 6, 2026, with a 93% 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
D
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.2°
Pavilion angle30.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG474116508
Dimensions6.24 × 4.96 × 3.46 mm
L/W Ratio1.26
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
6.24 mm4.96 mm1.01 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG474116508
Side View
Table 60.5%Crown 43.2°Girdle: STK-THKPavilion 30.1°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: $3,662 NZD|Low: $1,079 NZD|High: $5,552 NZD|Avg: $2,283 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 4$1,118 NZD
Retailer 6$1,124 NZD
Retailer 9$1,257 NZD
Retailer 10$1,257 NZD
Retailer 7$1,393 NZD
Retailer 8$2,132 NZD
Retailer 2$2,159 NZD
Retailer 5$3,456 NZD
NZ Jewellers$3,662 NZD
Retailer 3$5,473 NZD

45 data points across 10 retailers

11 retailers$1,118 NZD to $2,159 NZD

B+
Cheapest Retailer
-
$1,118 NZD
B+
Retailer 2
-
$1,124 NZD
View
B
Retailer 3
-
$1,257 NZD
View
Final sale: no returns
B
Retailer 4
-
$1,257 NZD
View
Retailer 5
-
$1,393 NZD
View
Price last confirmed 22 days ago
B
Retailer 6
-
$1,393 NZD
View
B
Retailer 7
-
$2,132 NZD
View
B
Retailer 8
-
$2,159 NZD
View
Retailer 9
-
$3,456 NZD
View
Price under review
Most Expensive
NZ Jewellers
eecdfe86-bcbb-447f-b121-325dd4efdbcc · Nov 6
$3,662 NZD
$2,030 USD
View
Price under review
9 more retailers have this diamond
Prices start from $1,118 NZDSave up to $1,041 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
$1,118 NZD