Radiant|Lab Grown|IGI

1.46ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG811638561

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

Certificate IGI LG811638561

Diamond specifications and retailer prices

From $981 NZD
$553 USD
As of November 1, 2026
Save $4,076 NZD (81%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,749 NZD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.46ct lab-grown radiant diamond

This 1.46ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811638561 or 811638561. Listed at 8 retailers as of October 31, 2026, with a 415% 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

1.46
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.1°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811638561
Dimensions7.79 × 5.73 × 3.85 mm
L/W Ratio1.36
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
7.79 mm5.73 mm1.46 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811638561
Side View
Table 66.0%Crown 41.1°Girdle: MED-STKPavilion 36.5°Culet: NoneDepth 67.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $5,749 NZD|Low: $549 NZD|High: $7,665 NZD|Avg: $2,509 NZD|+1.1%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 4$549 NZD
Retailer 7$614 NZD
Retailer 13$981 NZD
Retailer 2$985 NZD
Retailer 5$1,472 NZD
Retailer 15$1,534 NZD
Retailer 16$1,582 NZD
Retailer 12$1,819 NZD
Retailer 6$2,016 NZD
Retailer 14$2,147 NZD
Retailer 3$2,596 NZD
Retailer 10$2,632 NZD
Retailer 8$3,125 NZD
Retailer 11$4,241 NZD
Retailer 9$5,057 NZD
Rare Carat$5,749 NZD

17 data points across 16 retailers

8 retailers$981 NZD to $5,057 NZD

A
Cheapest Retailer
-
$981 NZD
$553 USD
A
Retailer 2
-
$985 NZD
$555 USD
View
B+
Retailer 3
-
$1,819 NZD
$1,025 USD
View
B+
Retailer 4
-
$2,147 NZD
$1,210 USD
View
B+
Retailer 5
-
$2,632 NZD
£1,168 GBP
View
B
Retailer 6
-
$4,241 NZD
$2,390 USD
View
B
Retailer 7
-
$5,057 NZD
$2,850 USD
View
Most Expensive
Rare Carat
PD-224133 · Oct 21
$5,749 NZD
$3,240 USD
View
Price last confirmed 11 days ago
7 more retailers have this diamond
Prices start from $981 NZDSave up to $4,076 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
1.46ct Radiant
$981 NZD