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Radiant|Lab Grown|IGI

1.58ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG617485547

Certificate IGI LG617485547

Diamond specifications and retailer prices

From $282 USD
Save $2,768 USD (91%) vs most expensive(unlock to see where)
28 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 LG617485547 or 617485547. Listed at 28 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617485547
Dimensions8.54 × 5.71 × 3.82 mm
L/W Ratio1.50
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
8.54 mm5.71 mm1.58 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617485547
Side View
Table 64.0%Crown 31.8°Girdle: MediumPavilion 33.7°Culet: NoneDepth 66.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
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: $3,160 USD|Avg: $1,133 USD|-3.5%
Brilliant Earth
Retailer 2
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Retailer 26
October 1, 2026
Retailer 22$282 USD
Retailer 5$327 USD
Retailer 6$336 USD
Retailer 8$345 USD
Retailer 2$401 USD
Retailer 20$446 USD
Retailer 15$515 USD
Retailer 23$525 USD
Retailer 10$613 USD
Retailer 7$616 USD
Retailer 16$638 USD
Retailer 24$679 USD
Retailer 12$860 USD
Retailer 14$869 USD
Retailer 4$896 USD
Retailer 25$981 USD
Retailer 21$1,241 USD
Retailer 19$1,404 USD
Retailer 18$1,452 USD
Retailer 11$1,471 USD
Retailer 9$1,500 USD
Retailer 13$1,523 USD
Retailer 26$1,566 USD
Retailer 3$2,180 USD
Retailer 17$2,500 USD
Brilliant Earth$3,050 USD

42 data points across 26 retailers

28 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
A
Retailer 5
-
$401 USD
£316 GBP
View
B+
Retailer 6
-
$446 USD
View
A
Retailer 7
-
$515 USD
View
A
Retailer 8
-
$525 USD
HK$4,100 HKD
View
A
Retailer 9
-
$613 USD
View
A
Retailer 10
-
$616 USD
€587 EUR
View
A
Retailer 11
-
$638 USD
ZAR 10,313 ZAR
View
Price last confirmed 20 days ago
A
Retailer 12
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$680 USD
£536 GBP
View
A
Retailer 13
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$742 USD
£584 GBP
View
Price last confirmed 21 days ago
A
Retailer 14
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$860 USD
View
A
Retailer 15
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$869 USD
View
A
Retailer 16
-
$896 USD
A$1,379 AUD
View
A
Retailer 17
-
$981 USD
View
B+
Retailer 18
-
$1,241 USD
View
B+
Retailer 19
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$1,404 USD
View
B+
Retailer 20
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$1,452 USD
View
B+
Retailer 21
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$1,471 USD
View
B+
Retailer 22
-
$1,500 USD
SGD 2,027 SGD
View
B+
Retailer 23
-
$1,523 USD
A$2,343 AUD
View
B+
Retailer 24
-
$1,566 USD
£1,233 GBP
View
B
Retailer 25
-
$2,180 USD
View
B
Retailer 26
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$2,213 USD
View
B
Retailer 27
-
$2,500 USD
View
Most Expensive
B
Brilliant Earth
10093678Y · Sep 29
$3,050 USD
View
27 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