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Radiant|Lab Grown|IGI

1.46ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG729529443

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

Certificate IGI LG729529443

Diamond specifications and retailer prices

From $612 NZD
As of November 4, 2026
Save $6,395 NZD (91%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $7,007 NZD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG729529443 or 729529443. Listed at 24 retailers as of November 4, 2026, with prices from $612 to $7,007, a $6,395 spread on the same certified stone. Brilliant Earth lists it at $7,007. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.3°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729529443
Dimensions8.00 × 5.60 × 3.70 mm
L/W Ratio1.43
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
8.00 mm5.60 mm1.46 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729529443
Side View
Table 70.0%Crown 44.3°Girdle: ThickPavilion 35.4°Culet: NoneDepth 66.1%

Caratlytics Score

How it works →
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 4
Current: $7,007 NZD|Low: $589 NZD|High: $7,007 NZD|Avg: $2,078 NZD
Brilliant Earth
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
November 5, 2026
Retailer 4$612 NZD
Retailer 5$759 NZD
Retailer 9$781 NZD
Retailer 7$1,020 NZD
Retailer 14$1,029 NZD
Retailer 12$1,176 NZD
Retailer 11$1,309 NZD
Retailer 2$1,350 NZD
Retailer 13$1,776 NZD
Retailer 10$1,854 NZD
Retailer 6$2,443 NZD
Retailer 3$2,688 NZD
Retailer 8$2,959 NZD
Retailer 15$4,125 NZD
Brilliant Earth$7,007 NZD

39 data points across 15 retailers

24 retailers$612 NZD to $7,007 NZD

A
Cheapest Retailer
-
$612 NZD
A
Retailer 2
-
$685 NZD
View
Final sale: no returns
A
Retailer 3
-
$711 NZD
View
Retailer 4
-
$759 NZD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$759 NZD
View
A
Retailer 6
-
$781 NZD
View
A
Retailer 7
-
$1,020 NZD
View
A
Retailer 8
-
$1,029 NZD
View
A
Retailer 9
-
$1,176 NZD
View
A
Retailer 10
-
$1,210 NZD
View
A
Retailer 11
-
$1,309 NZD
View
A
Retailer 12
-
$1,350 NZD
View
B+
Retailer 13
-
$1,776 NZD
View
B+
Retailer 14
-
$1,854 NZD
View
Retailer 15
-
$1,888 NZD
View
Price last confirmed 10 days ago
B+
Retailer 16
-
$1,960 NZD
View
B+
Retailer 17
-
$2,443 NZD
View
B+
Retailer 18
-
$2,517 NZD
View
Retailer 19
-
$2,688 NZD
View
Price last confirmed 28 days ago
B
Retailer 20
-
$2,753 NZD
View
B
Retailer 21
-
$2,940 NZD
View
B+
Retailer 22
-
$2,959 NZD
View
Retailer 23
-
$4,125 NZD
View
Price last confirmed 18 days ago
Most Expensive
B
Brilliant Earth
15699503A · Nov 4
$7,007 NZD
$3,950 USD
View
23 more retailers have this diamond
Prices start from $612 NZDSave up to $6,395 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
$612 NZD