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Radiant|Lab Grown|IGI

1.59ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG604312858

Certificate IGI LG604312858

Diamond specifications and retailer prices

From $284 USD
Save $2,786 USD (91%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $3,070 USD at Brilliant Earth
View at Brilliant Earth

About this 1.59ct lab-grown radiant diamond

This 1.59ct 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 LG604312858 or 604312858. Listed at 26 retailers, with prices from $284 to $3,070 at Brilliant Earth, a $2,786 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

1.59
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.5°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG604312858
Dimensions8.30 × 5.95 × 3.89 mm
L/W Ratio1.39
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
8.30 mm5.95 mm1.59 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG604312858
Side View
Table 64.0%Crown 39.5°Girdle: MediumPavilion 35.4°Culet: NoneDepth 65.4%

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: $3,070 USD|Low: $225 USD|High: $3,170 USD|Avg: $1,189 USD|-3.2%
Brilliant Earth
Retailer 2
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Retailer 21
October 1, 2026
Retailer 21$338 USD
Retailer 15$448 USD
Retailer 6$520 USD
Retailer 16$525 USD
Retailer 5$616 USD
Retailer 3$618 USD
Retailer 10$642 USD
Retailer 17$683 USD
Retailer 8$869 USD
Retailer 9$875 USD
Retailer 20$902 USD
Retailer 18$987 USD
Retailer 14$1,411 USD
Retailer 12$1,457 USD
Retailer 7$1,479 USD
Retailer 4$1,506 USD
Retailer 13$1,537 USD
Retailer 2$1,575 USD
Retailer 19$2,180 USD
Retailer 11$2,520 USD
Brilliant Earth$3,070 USD

41 data points across 21 retailers

26 retailers$284 USD to $3,070 USD

A
Cheapest Retailer
-
$284 USD
A
Retailer 2
-
$329 USD
View
A
Retailer 3
-
$338 USD
View
A
Retailer 4
-
$347 USD
View
B+
Retailer 5
-
$448 USD
View
A
Retailer 6
-
$520 USD
View
A
Retailer 7
-
$525 USD
HK$4,100 HKD
View
A
Retailer 8
-
$616 USD
View
A
Retailer 9
-
$618 USD
€589 EUR
View
A
Retailer 10
-
$642 USD
ZAR 10,373 ZAR
View
Price last confirmed 20 days ago
A
Retailer 11
-
$685 USD
£539 GBP
View
A
Retailer 12
-
$869 USD
View
A
Retailer 13
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$875 USD
View
A
Retailer 14
-
$902 USD
A$1,387 AUD
View
A
Retailer 15
-
$987 USD
View
B+
Retailer 16
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$1,248 USD
View
B+
Retailer 17
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$1,411 USD
View
B+
Retailer 18
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$1,457 USD
View
B+
Retailer 19
-
$1,479 USD
View
B+
Retailer 20
-
$1,506 USD
SGD 2,035 SGD
View
B+
Retailer 21
-
$1,537 USD
A$2,365 AUD
View
B+
Retailer 22
-
$1,575 USD
£1,240 GBP
View
B
Retailer 23
-
$2,180 USD
View
B
Retailer 24
-
$2,227 USD
View
B
Retailer 25
-
$2,520 USD
View
Most Expensive
B
Brilliant Earth
10094170Y · Sep 29
$3,070 USD
View
25 more retailers have this diamond
Prices start from $284 USDSave up to $2,786 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
1.59ct Radiant
$284 USD