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Radiant|Lab Grown|IGI

4.29ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG816630991

Certificate IGI LG816630991

Diamond specifications and retailer prices

From $4,967 USD
Save $30,433 USD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $35,400 USD at Do Amore Diamonds
View at Do Amore Diamonds

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 LG816630991 or 816630991. Listed at 16 retailers, with prices from $4,967 to $35,400 at Do Amore Diamonds, a $30,433 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 angle44.2°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816630991
Dimensions11.63 × 8.11 × 5.33 mm
L/W Ratio1.43
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
11.63 mm8.11 mm4.29 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816630991
Side View
Table 62.0%Crown 44.2°Girdle: Slightly ThickPavilion 34.4°Culet: NoneDepth 65.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 29
Current: $35,400 USD|Low: $4,957 USD|High: $35,400 USD|Avg: $12,177 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
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Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
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Retailer 17
Retailer 18
September 29, 2026
Retailer 17$4,967 USD
Retailer 9$5,456 USD
Retailer 4$5,762 USD
Retailer 5$5,985 USD
Retailer 8$6,990 USD
Retailer 13$7,916 USD
Retailer 12$8,583 USD
Retailer 16$8,621 USD
Retailer 6$9,357 USD
Retailer 15$10,102 USD
Retailer 14$13,567 USD
Retailer 11$13,767 USD
Retailer 10$16,422 USD
Retailer 3$16,428 USD
Retailer 2$18,133 USD
Retailer 7$23,193 USD
Retailer 18$31,652 USD
Do Amore Diamonds$35,400 USD

24 data points across 18 retailers

16 retailers$4,967 USD to $35,400 USD

B+
Cheapest Retailer
-
$4,967 USD
B+
Retailer 2
-
$5,762 USD
View
B+
Retailer 3
-
$5,985 USD
View
B+
Retailer 4
-
$6,990 USD
View
Price last confirmed 19 days ago
B+
Retailer 5
-
$7,916 USD
View
B+
Retailer 6
-
$8,602 USD
£6,773 GBP
View
B+
Retailer 7
-
$8,621 USD
View
B
Retailer 8
-
$9,357 USD
£7,368 GBP
View
B
Retailer 9
-
$10,102 USD
€9,621 EUR
View
B
Retailer 10
-
$13,567 USD
£10,683 GBP
View
B
Retailer 11
-
$13,767 USD
ZAR 222,401 ZAR
View
B
Retailer 12
-
$16,428 USD
View
C
Retailer 13
-
$18,133 USD
View
C
Retailer 14
-
$23,193 USD
View
C
Retailer 15
-
$31,652 USD
View
Most Expensive
C
Do Amore Diamonds
27-422879B76 · Sep 30
$35,400 USD
View
15 more retailers have this diamond
Prices start from $4,967 USDSave up to $30,433 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.

B+
4.29ct Radiant
$4,967 USD