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Radiant|Lab Grown|IGI

1.62ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG843604897

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

Certificate IGI LG843604897

Diamond specifications and retailer prices

From $484 NZD
$273 USD
As of October 30, 2026
Save $5,406 NZD (92%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,891 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.62ct lab-grown radiant diamond

This 1.62ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG843604897 or 843604897. Listed at 18 retailers as of October 30, 2026, with prices from $484 to $5,891, a $5,406 spread on the same certified stone. Brilliant Earth lists it at $5,891. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.62
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.7°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843604897
Dimensions8.08 × 5.83 × 4.00 mm
L/W Ratio1.39
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
8.08 mm5.83 mm1.62 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843604897
Side View
Table 64.0%Crown 45.7°Girdle: Slightly ThickPavilion 35°Culet: NoneDepth 68.6%

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: Oct 30
Current: $5,891 NZD|Low: $484 NZD|High: $6,654 NZD|Avg: $2,364 NZD|-11.5%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 1, 2026
Retailer 16$484 NZD
Retailer 6$561 NZD
Retailer 2$700 NZD
Retailer 17$912 NZD
Retailer 3$992 NZD
Retailer 15$994 NZD
Retailer 12$1,101 NZD
Retailer 14$1,543 NZD
Retailer 8$1,604 NZD
Retailer 19$1,843 NZD
Retailer 5$1,906 NZD
Retailer 4$2,129 NZD
Retailer 11$2,504 NZD
Retailer 13$2,668 NZD
Retailer 10$2,988 NZD
Retailer 18$4,294 NZD
Retailer 9$4,968 NZD
Retailer 7$5,419 NZD
Brilliant Earth$5,891 NZD

19 data points across 19 retailers

18 retailers$484 NZD to $5,891 NZD

A
Cheapest Retailer
-
$484 NZD
$273 USD
A
Retailer 2
-
$561 NZD
$316 USD
View
A
Retailer 3
-
$700 NZD
£311 GBP
View
A
Retailer 4
-
$912 NZD
$514 USD
View
A
Retailer 5
-
$992 NZD
$559 USD
View
A
Retailer 6
-
$994 NZD
$560 USD
View
A
Retailer 7
-
$1,101 NZD
€591 EUR
View
A
Retailer 8
-
$1,543 NZD
A$1,338 AUD
View
A
Retailer 9
-
$1,604 NZD
$904 USD
View
A
Retailer 10
-
$1,843 NZD
$1,039 USD
View
A
Retailer 11
-
$1,906 NZD
$1,074 USD
View
B+
Retailer 12
-
$2,129 NZD
$1,200 USD
View
Retailer 13
-
$2,504 NZD
$1,411 USD
View
Price last confirmed 16 days ago
B+
Retailer 14
-
$2,668 NZD
£1,184 GBP
View
B
Retailer 15
-
$4,294 NZD
$2,420 USD
View
B
Retailer 16
-
$4,968 NZD
$2,800 USD
View
B
Retailer 17
-
$5,419 NZD
$3,054 USD
View
Most Expensive
B
Brilliant Earth
22166110Y · Oct 31
$5,891 NZD
$3,320 USD
View
17 more retailers have this diamond
Prices start from $484 NZDSave up to $5,406 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
1.62ct Radiant
$484 NZD