Radiant|Lab Grown|IGI

1.59ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG669457830

Certificate IGI LG669457830

Diamond specifications and retailer prices

From $548 USD
Save $2,746 USD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,800 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 LG669457830 or 669457830. Listed at 18 retailers, with a 501% 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.9°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669457830
Dimensions5.85 × 5.85 × 8.03 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.85 mm5.85 mm1.59 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG669457830
Side View
Table 64.0%Crown 45.9°Girdle: MediumPavilion 36.1°Culet: NoneDepth 67.5%

Caratlytics Score

How it works →
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: $3,800 USD|Low: $437 USD|High: $4,000 USD|Avg: $1,645 USD|-5.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 1, 2026
Retailer 11$649 USD
Retailer 8$679 USD
Retailer 10$809 USD
Retailer 5$899 USD
Retailer 3$926 USD
Retailer 6$1,167 USD
Retailer 9$1,263 USD
Retailer 7$1,723 USD
Retailer 12$2,179 USD
Retailer 4$2,541 USD
Retailer 2$3,294 USD
Brilliant Earth$3,800 USD

39 data points across 12 retailers

18 retailers$548 USD to $3,294 USD

A
Cheapest Retailer
-
$548 USD
A
Retailer 2
-
$613 USD
View
A
Retailer 3
-
$649 USD
View
A
Retailer 4
-
$670 USD
View
A
Retailer 5
-
$679 USD
View
A
Retailer 6
-
$809 USD
View
A
Retailer 7
-
$899 USD
View
A
Retailer 8
-
$926 USD
View
A
Retailer 9
-
$1,157 USD
£911 GBP
View
Price last confirmed 8 days ago
A
Retailer 10
-
$1,169 USD
£921 GBP
View
B+
Retailer 11
-
$1,263 USD
ZAR 20,405 ZAR
View
B+
Retailer 12
-
$1,723 USD
A$2,651 AUD
View
B+
Retailer 13
-
$1,969 USD
View
B+
Retailer 14
-
$1,972 USD
View
B
Retailer 15
-
$2,179 USD
£1,716 GBP
View
B
Retailer 16
-
$2,541 USD
View
B
Retailer 17
-
$3,294 USD
£2,594 GBP
View
Most Expensive
B
Brilliant Earth
16261373A · Aug 22
$3,800 USD
View
Price last confirmed 39 days ago
17 more retailers have this diamond
Prices start from $548 USDSave up to $2,746 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
$548 USD