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Radiant|Lab Grown|IGI

1.16ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG640450800

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

Certificate IGI LG640450800

Diamond specifications and retailer prices

From $286 AUD
$201 USD
As of October 30, 2026
Save $2,461 AUD (90%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,748 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.16ct lab-grown radiant diamond

This 1.16ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG640450800 or 640450800. Listed at 23 retailers as of October 30, 2026, with prices from $286 to $2,748, a $2,461 spread on the same certified stone. Do Amore Diamonds lists it at $2,748. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.16
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle25°
Pavilion angle32°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640450800
Dimensions8.02 × 5.02 × 3.31 mm
L/W Ratio1.60
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
8.02 mm5.02 mm1.16 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640450800
Side View
Table 62.0%Crown 25°Girdle: MediumPavilion 32°Culet: NoneDepth 65.9%

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: $2,748 AUD|Low: $275 AUD|High: $2,748 AUD|Avg: $1,014 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 18
November 1, 2026
Retailer 17$286 AUD
Retailer 6$319 AUD
Retailer 16$332 AUD
Retailer 9$354 AUD
Retailer 18$354 AUD
Retailer 5$616 AUD
Retailer 2$676 AUD
Retailer 3$700 AUD
Retailer 11$729 AUD
Retailer 13$956 AUD
Retailer 15$1,145 AUD
Retailer 4$1,258 AUD
Retailer 10$1,504 AUD
Retailer 8$1,556 AUD
Retailer 12$1,578 AUD
Retailer 7$1,704 AUD
Retailer 14$1,829 AUD
Do Amore Diamonds$2,748 AUD

42 data points across 18 retailers

23 retailers$286 AUD to $2,748 AUD

A
Cheapest Retailer
-
$286 AUD
$201 USD
A
Retailer 2
-
$319 AUD
$224 USD
View
Final sale: no returns
A
Retailer 3
-
$332 AUD
$233 USD
View
Retailer 4
-
$354 AUD
$249 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$354 AUD
$249 USD
View
A
Retailer 6
-
$547 AUD
HK$3,000 HKD
View
A
Retailer 7
-
$616 AUD
$433 USD
View
A
Retailer 8
-
$676 AUD
ZAR 7,674 ZAR
View
A
Retailer 9
-
$700 AUD
$492 USD
View
A
Retailer 10
-
$729 AUD
£403 GBP
View
A
Retailer 11
-
$797 AUD
$560 USD
View
A
Retailer 12
-
$956 AUD
View
B+
Retailer 13
-
$1,145 AUD
$804 USD
View
B+
Retailer 14
-
$1,258 AUD
$884 USD
View
B+
Retailer 15
-
$1,504 AUD
$1,056 USD
View
B+
Retailer 16
-
$1,540 AUD
£852 GBP
View
B+
Retailer 17
-
$1,556 AUD
SGD 1,477 SGD
View
B+
Retailer 18
-
$1,578 AUD
£873 GBP
View
B
Retailer 19
-
$1,704 AUD
$1,197 USD
View
Retailer 20
-
$1,829 AUD
$1,285 USD
View
Retailer 21
-
$1,922 AUD
$1,350 USD
View
B
Retailer 22
-
$2,295 AUD
£1,269 GBP
View
Most Expensive
B
Do Amore Diamonds
27-036DAFBF5 · Oct 31
$2,748 AUD
$1,930 USD
View
22 more retailers have this diamond
Prices start from $286 AUDSave up to $2,461 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
1.16ct Radiant
$286 AUD