Radiant|Lab Grown|IGI

4.59ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG784645768

Certificate IGI LG784645768

Diamond specifications and retailer prices

From $6,004 USD
Save $19,476 USD (76%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $25,480 USD at Brilliant Earth
View at Brilliant Earth

About this 4.59ct lab-grown radiant diamond

This 4.59ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784645768 or 784645768. Listed at 6 retailers, with prices from $6,004 to $25,480 at Brilliant Earth, a $19,476 spread on the same certified stone. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.59
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.9°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784645768
Dimensions11.56 × 8.25 × 5.53 mm
L/W Ratio1.40
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
11.56 mm8.25 mm4.59 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784645768
Side View
Table 63.0%Crown 40.9°Girdle: STK-THKPavilion 34°Culet: NoneDepth 67.0%

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: $25,480 USD|Low: $5,818 USD|High: $36,475 USD|Avg: $16,634 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
September 29, 2026
Retailer 3$6,004 USD
Retailer 5$6,396 USD
Retailer 6$9,138 USD
Retailer 10$11,429 USD
Retailer 4$11,904 USD
Retailer 2$14,877 USD
Retailer 9$15,780 USD
Brilliant Earth$25,480 USD
Retailer 7$28,340 USD
Retailer 8$36,475 USD

9 data points across 10 retailers

6 retailers$6,004 USD to $25,480 USD

A
Cheapest Retailer
-
$6,004 USD
A
Retailer 2
-
$6,396 USD
View
A
Retailer 3
-
$9,138 USD
View
B+
Retailer 4
-
$11,904 USD
€11,337 EUR
View
B+
Retailer 5
-
$14,877 USD
£11,714 GBP
View
Most Expensive
B
Brilliant Earth
19065594Y · Oct 1
$25,480 USD
View
5 more retailers have this diamond
Prices start from $6,004 USDSave up to $19,476 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
4.59ct Radiant
$6,004 USD