Radiant|Lab Grown|IGI

1.59ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG644408295

Certificate IGI LG644408295

Diamond specifications and retailer prices

From $301 USD
Save $2,014 USD (87%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $3,080 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 LG644408295 or 644408295. Listed at 25 retailers, with a 669% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle40.8°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644408295
Dimensions8.13 × 5.86 × 3.96 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
8.13 mm5.86 mm1.59 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644408295
Side View
Table 61.0%Crown 40.8°Girdle: MediumPavilion 35.8°Culet: NoneDepth 67.6%

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: $3,080 USD|Low: $230 USD|High: $3,760 USD|Avg: $1,179 USD|-18.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 1, 2026
Retailer 17$336 USD
Retailer 8$565 USD
Retailer 12$611 USD
Retailer 18$626 USD
Retailer 6$628 USD
Retailer 3$636 USD
Retailer 13$655 USD
Retailer 16$867 USD
Retailer 14$885 USD
Retailer 7$1,114 USD
Retailer 5$1,221 USD
Retailer 9$1,248 USD
Retailer 2$1,515 USD
Retailer 11$1,516 USD
Retailer 10$1,516 USD
Retailer 4$1,544 USD
Retailer 15$2,315 USD
Brilliant Earth$3,080 USD

38 data points across 18 retailers

25 retailers$301 USD to $2,315 USD

A
Cheapest Retailer
-
$301 USD
A
Retailer 2
-
$336 USD
View
A
Retailer 3
-
$349 USD
View
A
Retailer 4
-
$369 USD
View
A
Retailer 5
-
$373 USD
View
A
Retailer 6
-
$565 USD
View
A
Retailer 7
-
$611 USD
View
A
Retailer 8
-
$626 USD
€596 EUR
View
A
Retailer 9
-
$628 USD
ZAR 10,138 ZAR
View
Price last confirmed 13 days ago
A
Retailer 10
-
$636 USD
View
A
Retailer 11
-
$656 USD
£517 GBP
View
A
Retailer 12
-
$867 USD
A$1,334 AUD
View
A
Retailer 13
-
$885 USD
View
A
Retailer 14
-
$1,114 USD
View
A
Retailer 15
-
$1,179 USD
View
B+
Retailer 16
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$1,200 USD
View
B+
Retailer 17
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$1,246 USD
View
B+
Retailer 18
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$1,248 USD
View
B+
Retailer 19
-
$1,515 USD
£1,193 GBP
View
B+
Retailer 20
-
$1,516 USD
A$2,332 AUD
View
B+
Retailer 21
-
$1,516 USD
View
B+
Retailer 22
-
$1,523 USD
View
B+
Retailer 23
-
$1,544 USD
View
B
Retailer 24
-
$2,315 USD
View
Most Expensive
B
Brilliant Earth
14718702A · Sep 7
$3,080 USD
View
Price last confirmed 23 days ago
24 more retailers have this diamond
Prices start from $301 USDSave up to $2,014 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
$301 USD