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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 $273 AUD
$192 USD
As of October 30, 2026
Save $2,138 AUD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,412 AUD at Helzberg Diamonds · As of October 31, 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 $273 to $2,412, a $2,138 spread on the same certified stone. Helzberg Diamonds lists it at $2,412. 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: $2,412 AUD|Low: $273 AUD|High: $2,648 AUD|Avg: $967 AUD
Helzberg Diamonds
Retailer 2
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Retailer 22
October 31, 2026
Retailer 7$273 AUD
Retailer 10$306 AUD
Retailer 21$316 AUD
Retailer 4$339 AUD
Retailer 6$339 AUD
Retailer 5$350 AUD
Retailer 18$581 AUD
Retailer 11$591 AUD
Retailer 2$592 AUD
Retailer 13$616 AUD
Retailer 9$679 AUD
Retailer 19$825 AUD
Retailer 3$831 AUD
Retailer 16$866 AUD
Retailer 14$945 AUD
Retailer 8$1,088 AUD
Retailer 12$1,164 AUD
Retailer 15$1,180 AUD
Retailer 20$1,584 AUD
Retailer 22$1,872 AUD
Retailer 17$1,908 AUD
Helzberg Diamonds$2,412 AUD

19 data points across 22 retailers

22 retailers$273 AUD to $2,412 AUD

A
Cheapest Retailer
-
$273 AUD
$192 USD
A
Retailer 2
-
$306 AUD
$215 USD
View
Final sale: no returns
A
Retailer 3
-
$316 AUD
$222 USD
View
A
Retailer 4
-
$339 AUD
$238 USD
View
A
Retailer 5
-
$339 AUD
$238 USD
View
Retailer 6
-
$350 AUD
£194 GBP
View
Price last confirmed 14 days ago
A
Retailer 7
-
$581 AUD
ZAR 6,593 ZAR
View
A
Retailer 8
-
$591 AUD
$415 USD
View
A
Retailer 9
-
$592 AUD
€396 EUR
View
A
Retailer 10
-
$616 AUD
£341 GBP
View
A
Retailer 11
-
$679 AUD
$477 USD
View
A
Retailer 12
-
$825 AUD
View
A
Retailer 13
-
$831 AUD
$584 USD
View
A
Retailer 14
-
$866 AUD
$608 USD
View
B+
Retailer 15
-
$945 AUD
SGD 897 SGD
View
B+
Retailer 16
-
$1,088 AUD
$764 USD
View
B+
Retailer 17
-
$1,164 AUD
$818 USD
View
B+
Retailer 18
-
$1,180 AUD
$829 USD
View
B
Retailer 19
-
$1,584 AUD
£876 GBP
View
Retailer 20
-
$1,872 AUD
$1,315 USD
View
Price last confirmed 10 days ago
B
Retailer 21
-
$1,908 AUD
$1,340 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMJIIHM · Oct 31
$2,412 AUD
$1,694 USD
View
21 more retailers have this diamond
Prices start from $273 AUDSave up to $2,138 AUD

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
$273 AUD