Radiant|Lab Grown|IGI

1.05ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG840632216

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

Certificate IGI LG840632216

Diamond specifications and retailer prices

From $341 NZD
$192 USD
As of October 30, 2026
Save $2,665 NZD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,006 NZD at Helzberg Diamonds · As of November 2, 2026
View at Helzberg Diamonds

About this 1.05ct lab-grown radiant diamond

This 1.05ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840632216 or 840632216. Listed at 22 retailers as of October 30, 2026, with prices from $341 to $3,006, a $2,665 spread on the same certified stone. Helzberg Diamonds lists it at $3,006. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840632216
Dimensions6.83 × 5.12 × 3.51 mm
L/W Ratio1.33
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
6.83 mm5.12 mm1.05 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840632216
Side View
Table 64.0%Crown 32.4°Girdle: MediumPavilion 36.1°Culet: NoneDepth 68.6%

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: Oct 30
Current: $3,006 NZD|Low: $341 NZD|High: $3,300 NZD|Avg: $1,195 NZD
Helzberg Diamonds
Retailer 2
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Retailer 22
November 2, 2026
Retailer 7$341 NZD
Retailer 10$381 NZD
Retailer 21$394 NZD
Retailer 4$422 NZD
Retailer 6$422 NZD
Retailer 5$436 NZD
Retailer 13$728 NZD
Retailer 11$736 NZD
Retailer 17$738 NZD
Retailer 2$768 NZD
Retailer 9$846 NZD
Retailer 20$1,029 NZD
Retailer 3$1,036 NZD
Retailer 18$1,079 NZD
Retailer 14$1,178 NZD
Retailer 8$1,356 NZD
Retailer 12$1,451 NZD
Retailer 15$1,471 NZD
Retailer 16$1,972 NZD
Retailer 22$2,333 NZD
Retailer 19$2,378 NZD
Helzberg Diamonds$3,006 NZD

21 data points across 22 retailers

22 retailers$341 NZD to $3,006 NZD

A
Cheapest Retailer
-
$341 NZD
$192 USD
A
Retailer 2
-
$381 NZD
$215 USD
View
Final sale: no returns
A
Retailer 3
-
$394 NZD
$222 USD
View
Retailer 4
-
$422 NZD
$238 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$422 NZD
$238 USD
View
Retailer 6
-
$436 NZD
£194 GBP
View
Price last confirmed 16 days ago
A
Retailer 7
-
$728 NZD
ZAR 6,628 ZAR
View
A
Retailer 8
-
$736 NZD
$415 USD
View
A
Retailer 9
-
$738 NZD
€396 EUR
View
A
Retailer 10
-
$768 NZD
£341 GBP
View
A
Retailer 11
-
$846 NZD
$477 USD
View
A
Retailer 12
-
$1,029 NZD
A$892 AUD
View
A
Retailer 13
-
$1,036 NZD
$584 USD
View
A
Retailer 14
-
$1,079 NZD
$608 USD
View
B+
Retailer 15
-
$1,178 NZD
SGD 897 SGD
View
B+
Retailer 16
-
$1,356 NZD
$764 USD
View
B+
Retailer 17
-
$1,451 NZD
$818 USD
View
B+
Retailer 18
-
$1,471 NZD
$829 USD
View
B+
Retailer 19
-
$1,972 NZD
£875 GBP
View
B
Retailer 20
-
$2,333 NZD
$1,315 USD
View
B
Retailer 21
-
$2,378 NZD
$1,340 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMJIIHM · Nov 2
$3,006 NZD
$1,694 USD
View
21 more retailers have this diamond
Prices start from $341 NZDSave up to $2,665 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
1.05ct Radiant
$341 NZD