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 $357 NZD
$201 USD
As of November 2, 2026
Save $3,073 NZD (90%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,430 NZD at Do Amore Diamonds · As of November 2, 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 November 2, 2026, with prices from $357 to $3,430, a $3,073 spread on the same certified stone. Do Amore Diamonds lists it at $3,430. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $3,430 NZD|Low: $343 NZD|High: $3,430 NZD|Avg: $1,261 NZD
Do Amore Diamonds
Retailer 2
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Retailer 11
Retailer 12
Retailer 13
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Retailer 15
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Retailer 18
November 3, 2026
Retailer 17$357 NZD
Retailer 6$398 NZD
Retailer 16$414 NZD
Retailer 9$443 NZD
Retailer 18$443 NZD
Retailer 5$770 NZD
Retailer 12$844 NZD
Retailer 3$874 NZD
Retailer 2$910 NZD
Retailer 11$1,196 NZD
Retailer 15$1,429 NZD
Retailer 4$1,571 NZD
Retailer 10$1,877 NZD
Retailer 8$1,943 NZD
Retailer 13$1,971 NZD
Retailer 7$2,128 NZD
Retailer 14$2,284 NZD
Do Amore Diamonds$3,430 NZD

43 data points across 18 retailers

23 retailers$357 NZD to $3,430 NZD

A
Cheapest Retailer
-
$357 NZD
$201 USD
A
Retailer 2
-
$398 NZD
$224 USD
View
Final sale: no returns
A
Retailer 3
-
$414 NZD
$233 USD
View
Retailer 4
-
$443 NZD
$249 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$443 NZD
$249 USD
View
A
Retailer 6
-
$682 NZD
HK$3,000 HKD
View
A
Retailer 7
-
$770 NZD
$433 USD
View
A
Retailer 8
-
$844 NZD
ZAR 7,674 ZAR
View
A
Retailer 9
-
$874 NZD
$492 USD
View
A
Retailer 10
-
$910 NZD
£403 GBP
View
A
Retailer 11
-
$995 NZD
$560 USD
View
A
Retailer 12
-
$1,196 NZD
A$1,035 AUD
View
B+
Retailer 13
-
$1,429 NZD
$804 USD
View
B+
Retailer 14
-
$1,571 NZD
$884 USD
View
B+
Retailer 15
-
$1,877 NZD
$1,056 USD
View
B+
Retailer 16
-
$1,923 NZD
£852 GBP
View
B+
Retailer 17
-
$1,943 NZD
SGD 1,477 SGD
View
B+
Retailer 18
-
$1,971 NZD
£873 GBP
View
B
Retailer 19
-
$2,128 NZD
$1,197 USD
View
B+
Retailer 20
-
$2,284 NZD
$1,285 USD
View
B
Retailer 21
-
$2,399 NZD
$1,350 USD
View
B
Retailer 22
-
$2,865 NZD
£1,269 GBP
View
Most Expensive
B
Do Amore Diamonds
27-036DAFBF5 · Nov 2
$3,430 NZD
$1,930 USD
View
22 more retailers have this diamond
Prices start from $357 NZDSave up to $3,073 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
1.16ct Radiant
$357 NZD