Radiant|Lab Grown|IGI

4.55ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG804665218

Certificate IGI LG804665218

Diamond specifications and retailer prices

From $5,955 USD
Save $33,225 USD (85%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $39,180 USD at Do Amore Diamonds
View at Do Amore Diamonds

About this 4.55ct lab-grown radiant diamond

This 4.55ct 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 LG804665218 or 804665218. Listed at 10 retailers, with prices from $5,955 to $39,180 at Do Amore Diamonds, a $33,225 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

4.55
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.6°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804665218
Dimensions11.86 × 8.20 × 5.43 mm
L/W Ratio1.45
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
11.86 mm8.20 mm4.55 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804665218
Side View
Table 64.0%Crown 43.6°Girdle: Slightly ThickPavilion 34.9°Culet: NoneDepth 66.2%

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: $39,180 USD|Low: $4,857 USD|High: $41,770 USD|Avg: $14,087 USD|-6.2%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 1, 2026
Retailer 7$5,955 USD
Retailer 8$6,297 USD
Retailer 6$6,605 USD
Retailer 10$6,800 USD
Retailer 4$8,436 USD
Retailer 9$9,058 USD
Retailer 2$11,927 USD
Retailer 5$14,752 USD
Retailer 3$19,171 USD
Retailer 11$25,260 USD
Do Amore Diamonds$39,180 USD

14 data points across 11 retailers

10 retailers$5,955 USD to $39,180 USD

A
Cheapest Retailer
-
$5,955 USD
A
Retailer 2
-
$6,297 USD
View
A
Retailer 3
-
$6,605 USD
View
A
Retailer 4
-
$6,800 USD
View
A
Retailer 5
-
$8,436 USD
View
A
Retailer 6
-
$9,058 USD
View
B+
Retailer 7
-
$11,927 USD
€11,359 EUR
View
B+
Retailer 8
-
$14,752 USD
£11,616 GBP
View
B
Retailer 9
-
$25,260 USD
View
Most Expensive
B
Do Amore Diamonds
27-90D83DB0C · Sep 30
$39,180 USD
View
9 more retailers have this diamond
Prices start from $5,955 USDSave up to $33,225 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
4.55ct Radiant
$5,955 USD