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Radiant|Lab Grown|IGI

4.29ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG754508008

Certificate IGI LG754508008

Diamond specifications and retailer prices

From $6,083 USD
Save $20,679 USD (77%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $26,762 USD at With Clarity
View at With Clarity

About this 4.29ct lab-grown radiant diamond

This 4.29ct 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 LG754508008 or 754508008. Listed at 14 retailers, with prices from $6,083 to $26,762 at With Clarity, a $20,679 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

4.29
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.4°
Pavilion angle32.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508008
Dimensions11.92 × 8.07 × 5.26 mm
L/W Ratio1.48
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
11.92 mm8.07 mm4.29 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508008
Side View
Table 63.0%Crown 39.4°Girdle: MED-STKPavilion 32.5°Culet: NoneDepth 65.2%

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: $12,864 USD|Low: $4,495 USD|High: $27,360 USD|Avg: $13,798 USD|-5.1%
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
Retailer 14
With Clarity
October 1, 2026
Retailer 5$4,495 USD
Retailer 2$6,083 USD
Retailer 4$6,835 USD
Retailer 9$7,754 USD
Retailer 8$8,142 USD
Retailer 6$8,448 USD
Retailer 13$10,788 USD
Retailer 1$12,864 USD
Retailer 10$13,151 USD
Retailer 12$13,922 USD
Retailer 7$16,951 USD
Retailer 11$22,190 USD
Retailer 3$23,280 USD
Retailer 14$24,434 USD
With Clarity$26,227 USD

34 data points across 15 retailers

14 retailers$6,083 USD to $26,762 USD

A
Cheapest Retailer
-
$6,083 USD
A
Retailer 2
-
$6,835 USD
View
A
Retailer 3
-
$7,754 USD
View
A
Retailer 4
-
$8,142 USD
£6,411 GBP
View
A
Retailer 5
-
$8,448 USD
HK$66,000 HKD
View
B+
Retailer 6
-
$10,788 USD
€10,274 EUR
View
B+
Retailer 7
-
$12,864 USD
£10,129 GBP
View
B+
Retailer 8
-
$13,151 USD
View
B+
Retailer 9
-
$13,922 USD
ZAR 224,903 ZAR
View
B
Retailer 10
-
$16,951 USD
View
B
Retailer 11
-
$22,190 USD
View
B
Retailer 12
-
$23,280 USD
View
B
Retailer 13
-
$24,434 USD
SGD 33,019 SGD
View
Most Expensive
B
With Clarity
754508008 · Sep 30
$26,762 USD
View
13 more retailers have this diamond
Prices start from $6,083 USDSave up to $20,679 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
4.29ct Radiant
$6,083 USD