CaratHunter
Plans
Radiant|Lab Grown|IGI

1.59ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG665410217

Certificate IGI LG665410217

Diamond specifications and retailer prices

From $313 USD
Save $2,767 USD (90%) vs most expensive(unlock to see where)
27 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 LG665410217 or 665410217. Listed at 27 retailers, with prices from $313 to $3,080 at Brilliant Earth, a $2,767 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 angle42.9°
Pavilion angle32.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665410217
Dimensions8.50 × 5.71 × 3.74 mm
L/W Ratio1.49
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
8.50 mm5.71 mm1.59 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665410217
Side View
Table 63.0%Crown 42.9°Girdle: MED-STKPavilion 32.7°Culet: NoneDepth 65.5%

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: $243 USD|High: $3,760 USD|Avg: $1,082 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
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 1, 2026
Retailer 15$243 USD
Retailer 16$372 USD
Retailer 13$448 USD
Retailer 17$448 USD
Retailer 10$590 USD
Retailer 3$618 USD
Retailer 11$642 USD
Retailer 5$650 USD
Retailer 18$683 USD
Retailer 9$875 USD
Retailer 22$902 USD
Retailer 19$1,044 USD
Retailer 7$1,119 USD
Retailer 8$1,266 USD
Retailer 14$1,294 USD
Retailer 4$1,302 USD
Retailer 2$1,530 USD
Retailer 12$1,555 USD
Retailer 20$1,575 USD
Retailer 6$1,605 USD
Retailer 21$2,305 USD
Brilliant Earth$3,080 USD

40 data points across 22 retailers

27 retailers$313 USD to $3,080 USD

A
Cheapest Retailer
-
$313 USD
A
Retailer 2
-
$363 USD
View
A
Retailer 3
-
$372 USD
View
A
Retailer 4
-
$383 USD
View
A
Retailer 5
-
$448 USD
HK$3,500 HKD
View
B+
Retailer 6
-
$448 USD
View
A
Retailer 7
-
$590 USD
View
A
Retailer 8
-
$618 USD
€589 EUR
View
A
Retailer 9
-
$642 USD
ZAR 10,373 ZAR
View
Price last confirmed 20 days ago
A
Retailer 10
-
$650 USD
View
A
Retailer 11
-
$671 USD
£528 GBP
View
Price last confirmed 21 days ago
A
Retailer 12
-
$685 USD
£539 GBP
View
A
Retailer 13
-
$875 USD
View
A
Retailer 14
-
$902 USD
A$1,387 AUD
View
A
Retailer 15
-
$1,044 USD
View
A
Retailer 16
-
$1,119 USD
View
B+
Retailer 17
-
$1,248 USD
View
B+
Retailer 18
-
$1,292 USD
View
B+
Retailer 19
-
$1,294 USD
View
B+
Retailer 20
-
$1,302 USD
SGD 1,760 SGD
View
B+
Retailer 21
-
$1,530 USD
A$2,354 AUD
View
B+
Retailer 22
-
$1,555 USD
View
B+
Retailer 23
-
$1,575 USD
£1,240 GBP
View
B+
Retailer 24
-
$1,605 USD
View
B
Retailer 25
-
$2,227 USD
View
B
Retailer 26
-
$2,305 USD
View
Most Expensive
B
Brilliant Earth
12598535A · Sep 29
$3,080 USD
View
26 more retailers have this diamond
Prices start from $313 USDSave up to $2,767 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
$313 USD