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Radiant|Lab Grown|IGI

1.02ct D SI2 Radiant Lab Grown Diamond

ID • D/SI2 • IGI LG472171946

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

Certificate IGI LG472171946

Diamond specifications and retailer prices

From $1,133 NZD
As of November 6, 2026
Save $2,226 NZD (66%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,698 NZD at NZ Jewellers · As of November 6, 2026
View at NZ Jewellers

About this 1.02ct lab-grown radiant diamond

This 1.02ct 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 LG472171946 or 472171946. Listed at 11 retailers as of November 4, 2026, with a 196% 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

1.02
Carat
D
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49.5°
Pavilion angle30.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG472171946
Dimensions6.36 × 5.03 × 3.47 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
6.36 mm5.03 mm1.02 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG472171946
Side View
Table 65.0%Crown 49.5°Girdle: MediumPavilion 30.1°Culet: NoneDepth 69.0%

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: $3,698 NZD|Low: $1,088 NZD|High: $5,605 NZD|Avg: $2,310 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 5$1,133 NZD
Retailer 9$1,234 NZD
Retailer 10$1,268 NZD
Retailer 7$1,315 NZD
Retailer 6$1,605 NZD
Retailer 8$2,152 NZD
Retailer 2$2,181 NZD
Retailer 4$3,359 NZD
NZ Jewellers$3,698 NZD
Retailer 3$5,525 NZD

43 data points across 10 retailers

11 retailers$1,133 NZD to $3,359 NZD

B+
Cheapest Retailer
-
$1,133 NZD
B
Retailer 2
-
$1,234 NZD
View
B
Retailer 3
-
$1,268 NZD
View
Final sale: no returns
Retailer 4
-
$1,315 NZD
View
Price last confirmed 22 days ago
B
Retailer 5
-
$1,315 NZD
View
B
Retailer 6
-
$1,605 NZD
View
B
Retailer 7
-
$2,152 NZD
View
B
Retailer 8
-
$2,181 NZD
View
B
Retailer 9
-
$3,359 NZD
View
Most Expensive
NZ Jewellers
44153f0a-6297-4d48-825f-87e7524fe509 · Nov 6
$3,698 NZD
$2,050 USD
View
Price under review
9 more retailers have this diamond
Prices start from $1,133 NZDSave up to $2,226 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+
1.02ct Radiant
$1,133 NZD