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Round|Lab Grown|IGI

1.46ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG840633216

Shape and cutting style on the report: Round brilliant

Certificate IGI LG840633216

Diamond specifications and retailer prices

From $540 NZD
$304 USD
As of November 3, 2026
Save $4,136 NZD (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $4,676 NZD at Helzberg Diamonds · As of November 3, 2026
View at Helzberg Diamonds

About this 1.46ct lab-grown round diamond

This 1.46ct lab-grown round 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 LG840633216 or 840633216. Listed at 22 retailers as of November 3, 2026, with prices from $540 to $4,676, a $4,136 spread on the same certified stone. Helzberg Diamonds lists it at $4,676. 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 angle35.7°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840633216
Dimensions7.20 × 7.24 × 4.49 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.20 mm7.24 mm1.46 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840633216
Side View
Table 59.0%Crown 35.7°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $4,676 NZD|Low: $540 NZD|High: $4,676 NZD|Avg: $1,779 NZD
Helzberg Diamonds
Retailer 2
Retailer 3
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Retailer 22
November 3, 2026
Retailer 2$540 NZD
Retailer 17$604 NZD
Retailer 20$626 NZD
Retailer 22$668 NZD
Retailer 11$674 NZD
Retailer 21$1,061 NZD
Retailer 10$1,066 NZD
Retailer 12$1,100 NZD
Retailer 3$1,109 NZD
Retailer 15$1,130 NZD
Retailer 4$1,162 NZD
Retailer 19$1,175 NZD
Retailer 14$1,790 NZD
Retailer 16$2,055 NZD
Retailer 18$2,151 NZD
Retailer 7$2,170 NZD
Retailer 13$2,234 NZD
Retailer 6$2,431 NZD
Retailer 9$2,715 NZD
Retailer 8$3,599 NZD
Retailer 5$3,963 NZD
Helzberg Diamonds$4,676 NZD

26 data points across 22 retailers

22 retailers$540 NZD to $4,676 NZD

A
Cheapest Retailer
-
$540 NZD
$304 USD
A
Retailer 2
-
$604 NZD
$340 USD
View
Final sale: no returns
A
Retailer 3
-
$626 NZD
$352 USD
View
A
Retailer 4
-
$668 NZD
$376 USD
View
Retailer 5
-
$674 NZD
$379 USD
View
Price last confirmed 9 days ago
A
Retailer 6
-
$1,061 NZD
£470 GBP
View
A
Retailer 7
-
$1,066 NZD
$600 USD
View
A
Retailer 8
-
$1,100 NZD
$619 USD
View
A
Retailer 9
-
$1,109 NZD
€594 EUR
View
A
Retailer 10
-
$1,130 NZD
$636 USD
View
A
Retailer 11
-
$1,162 NZD
ZAR 10,560 ZAR
View
A
Retailer 12
-
$1,175 NZD
£521 GBP
View
B+
Retailer 13
-
$1,790 NZD
$1,007 USD
View
B+
Retailer 14
-
$2,055 NZD
$1,156 USD
View
B+
Retailer 15
-
$2,151 NZD
$1,210 USD
View
B+
Retailer 16
-
$2,170 NZD
SGD 1,650 SGD
View
B+
Retailer 17
-
$2,234 NZD
$1,257 USD
View
B+
Retailer 18
-
$2,431 NZD
$1,368 USD
View
B+
Retailer 19
-
$2,715 NZD
£1,203 GBP
View
B
Retailer 20
-
$3,599 NZD
$2,025 USD
View
B
Retailer 21
-
$3,963 NZD
$2,230 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMJJIHM · Nov 3
$4,676 NZD
$2,631 USD
View
21 more retailers have this diamond
Prices start from $540 NZDSave up to $4,136 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 Round
$540 NZD