Radiant|Lab Grown|IGI

4.55ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG769625393

Certificate IGI LG769625393

Diamond specifications and retailer prices

From $9,557 USD
Save $31,298 USD (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $40,855 USD at Taylor and Hart
View at Taylor and Hart

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 LG769625393 or 769625393. Listed at 13 retailers, with prices from $9,557 to $40,855 at Taylor and Hart, a $31,298 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle33.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG769625393
Dimensions11.87 × 8.31 × 5.41 mm
L/W Ratio1.43
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
11.87 mm8.31 mm4.55 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG769625393
Side View
Table 66.0%Crown 38.8°Girdle: MediumPavilion 33.1°Culet: NoneDepth 65.1%

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: Oct 1
Current: $29,461 USD|Low: $9,557 USD|High: $87,017 USD|Avg: $28,191 USD|-38.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Taylor and Hart
September 29, 2026
Retailer 4$9,557 USD
Retailer 10$11,020 USD
Retailer 11$11,145 USD
Retailer 3$13,007 USD
Retailer 5$13,890 USD
Retailer 6$16,991 USD
Retailer 7$21,392 USD
Retailer 2$25,670 USD
Retailer 12$26,162 USD
Retailer 1$29,461 USD
Retailer 13$37,057 USD
Taylor and Hart$40,855 USD
Retailer 8$46,733 USD
Retailer 9$87,017 USD

22 data points across 14 retailers

13 retailers$9,557 USD to $40,855 USD

A
Cheapest Retailer
-
$9,557 USD
B+
Retailer 2
-
$11,020 USD
View
B+
Retailer 3
-
$11,145 USD
View
B+
Retailer 4
-
$13,007 USD
View
B+
Retailer 5
-
$16,991 USD
£13,379 GBP
View
B
Retailer 6
-
$21,392 USD
£16,844 GBP
View
B
Retailer 7
-
$25,670 USD
View
B
Retailer 8
-
$26,162 USD
View
B
Retailer 9
-
$29,461 USD
ZAR 475,951 ZAR
View
B
Retailer 10
-
$37,057 USD
View
Most Expensive
B
Taylor and Hart
BBZ2MG4 · Sep 30
$40,855 USD
View
10 more retailers have this diamond
Prices start from $9,557 USDSave up to $31,298 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
$9,557 USD