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 $201 USD
As of October 30, 2026
Save $1,729 USD (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,930 USD at Do Amore Diamonds · As of October 29, 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 22 retailers as of October 29, 2026, with prices from $201 to $1,930, a $1,729 spread on the same certified stone. Do Amore Diamonds lists it at $1,930. 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
Color
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: $1,930 USD|Low: $193 USD|High: $1,930 USD|Avg: $709 USD
Do Amore Diamonds
Retailer 2
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Retailer 18
October 30, 2026
Retailer 17$201 USD
Retailer 6$224 USD
Retailer 16$233 USD
Retailer 9$249 USD
Retailer 18$249 USD
Retailer 5$433 USD
Retailer 12$473 USD
Retailer 3$492 USD
Retailer 2$512 USD
Retailer 13$671 USD
Retailer 15$804 USD
Retailer 4$884 USD
Retailer 10$1,056 USD
Retailer 8$1,093 USD
Retailer 11$1,109 USD
Retailer 7$1,197 USD
Retailer 14$1,285 USD
Do Amore Diamonds$1,930 USD

44 data points across 18 retailers

22 retailers$201 USD to $1,930 USD

A
Cheapest Retailer
-
$201 USD
A
Retailer 2
-
$224 USD
View
Final sale: no returns
A
Retailer 3
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$233 USD
View
A
Retailer 4
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$249 USD
View
A
Retailer 5
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$249 USD
View
A
Retailer 6
-
$384 USD
HK$3,000 HKD
View
A
Retailer 7
-
$433 USD
View
A
Retailer 8
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$473 USD
ZAR 7,636 ZAR
View
A
Retailer 9
-
$492 USD
View
A
Retailer 10
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$512 USD
£403 GBP
View
A
Retailer 11
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$560 USD
View
A
Retailer 12
-
$671 USD
A$1,033 AUD
View
B+
Retailer 13
-
$804 USD
View
B+
Retailer 14
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$884 USD
View
B+
Retailer 15
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$1,056 USD
View
B+
Retailer 16
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$1,082 USD
£852 GBP
View
B+
Retailer 17
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$1,093 USD
SGD 1,477 SGD
View
B+
Retailer 18
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$1,109 USD
£873 GBP
View
B
Retailer 19
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$1,197 USD
View
Retailer 20
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$1,285 USD
View
Price last confirmed 11 days ago
B
Retailer 21
-
$1,612 USD
£1,269 GBP
View
Most Expensive
B
Do Amore Diamonds
27-036DAFBF5 · Oct 29
$1,930 USD
View
21 more retailers have this diamond
Prices start from $201 USDSave up to $1,729 USD

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
$201 USD