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Radiant|Lab Grown|IGI

1.58ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG640402416

Certificate IGI LG640402416

Diamond specifications and retailer prices

From $282 USD
Save $2,768 USD (91%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: $3,050 USD at Brilliant Earth
View at Brilliant Earth

About this 1.58ct lab-grown radiant diamond

This 1.58ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG640402416 or 640402416. Listed at 30 retailers, with prices from $282 to $3,050 at Brilliant Earth, a $2,768 spread on the same certified stone. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.58
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640402416
Dimensions8.16 × 5.90 × 8.16 mm
L/W Ratio1.38
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
8.16 mm5.90 mm1.58 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640402416
Side View
Table 62.0%Crown 29°Girdle: MED-STKPavilion 35°Culet: NoneDepth 66.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 30
Current: $3,050 USD|Low: $224 USD|High: $3,050 USD|Avg: $1,176 USD
Brilliant Earth
Retailer 2
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Retailer 21
October 1, 2026
Retailer 21$336 USD
Retailer 13$446 USD
Retailer 15$525 USD
Retailer 5$613 USD
Retailer 3$616 USD
Retailer 11$638 USD
Retailer 16$679 USD
Retailer 6$735 USD
Retailer 8$860 USD
Retailer 9$869 USD
Retailer 20$896 USD
Retailer 17$981 USD
Retailer 14$1,404 USD
Retailer 12$1,452 USD
Retailer 7$1,471 USD
Retailer 4$1,500 USD
Retailer 2$1,523 USD
Retailer 18$1,566 USD
Retailer 10$2,500 USD
Retailer 19$2,520 USD
Brilliant Earth$3,050 USD

42 data points across 21 retailers

30 retailers$282 USD to $3,050 USD

A
Cheapest Retailer
-
$282 USD
A
Retailer 2
-
$327 USD
View
A
Retailer 3
-
$336 USD
View
A
Retailer 4
-
$345 USD
View
B+
Retailer 5
-
$446 USD
View
A
Retailer 6
-
$525 USD
HK$4,100 HKD
View
A
Retailer 7
-
$613 USD
View
A
Retailer 8
-
$616 USD
€587 EUR
View
A
Retailer 9
-
$638 USD
ZAR 10,313 ZAR
View
Price last confirmed 20 days ago
A
Retailer 10
-
$680 USD
£536 GBP
View
A
Retailer 11
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$735 USD
View
A
Retailer 12
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$860 USD
View
A
Retailer 13
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$869 USD
View
A
Retailer 14
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$896 USD
A$1,379 AUD
View
A
Retailer 15
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$981 USD
View
B+
Retailer 16
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$1,241 USD
View
B+
Retailer 17
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$1,404 USD
View
B+
Retailer 18
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$1,452 USD
View
B+
Retailer 19
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$1,471 USD
View
B+
Retailer 20
-
$1,500 USD
SGD 2,027 SGD
View
B+
Retailer 21
-
$1,523 USD
A$2,343 AUD
View
B+
Retailer 22
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$1,566 USD
£1,233 GBP
View
B
Retailer 23
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$2,305 USD
View
B
Retailer 24
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$2,305 USD
View
B
Retailer 25
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$2,305 USD
View
B
Retailer 26
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$2,310 USD
View
B
Retailer 27
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$2,380 USD
View
B
Retailer 28
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$2,500 USD
View
B
Retailer 29
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$2,520 USD
View
Most Expensive
B
Brilliant Earth
11203987Y · Sep 29
$3,050 USD
View
29 more retailers have this diamond
Prices start from $282 USDSave up to $2,768 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.

A
1.58ct Radiant
$282 USD