Radiant|Lab Grown|IGI

4.30ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG754508249

Certificate IGI LG754508249

Diamond specifications and retailer prices

From $3,692 USD
Save $17,528 USD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $21,220 USD at Brilliant Earth
View at Brilliant Earth

About this 4.3ct lab-grown radiant diamond

This 4.3ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754508249 or 754508249. Listed at 20 retailers, with prices from $3,692 to $21,220 at Brilliant Earth, a $17,528 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

4.30
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.3°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508249
Dimensions8.10 × 8.10 × 11.79 mm
L/W Ratio1.00
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
8.10 mm8.10 mm4.30 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508249
Side View
Table 63.0%Crown 40.3°Girdle: MED-STKPavilion 33.7°Culet: NoneDepth 65.6%

Caratlytics Score

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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: $21,220 USD|Low: $4,017 USD|High: $21,220 USD|Avg: $9,083 USD
Brilliant Earth
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 1, 2026
Retailer 15$4,017 USD
Retailer 17$4,164 USD
Retailer 6$4,223 USD
Retailer 5$4,673 USD
Retailer 2$4,898 USD
Retailer 7$5,812 USD
Retailer 16$5,978 USD
Retailer 12$6,377 USD
Retailer 4$6,629 USD
Retailer 10$7,098 USD
Retailer 18$7,547 USD
Retailer 13$9,878 USD
Retailer 14$10,248 USD
Retailer 9$12,676 USD
Retailer 11$15,351 USD
Retailer 3$16,791 USD
Retailer 8$17,298 USD
Brilliant Earth$21,220 USD

34 data points across 18 retailers

20 retailers$3,692 USD to $21,220 USD

A
Cheapest Retailer
-
$3,692 USD
A
Retailer 2
-
$4,017 USD
View
A
Retailer 3
-
$4,164 USD
View
A
Retailer 4
-
$4,223 USD
View
A
Retailer 5
-
$4,673 USD
View
A
Retailer 6
-
$4,898 USD
View
A
Retailer 7
-
$5,812 USD
View
A
Retailer 8
-
$5,907 USD
View
A
Retailer 9
-
$5,978 USD
HK$46,700 HKD
View
A
Retailer 10
-
$6,240 USD
£4,914 GBP
View
Price last confirmed 21 days ago
A
Retailer 11
-
$6,391 USD
£5,032 GBP
View
A
Retailer 12
-
$6,629 USD
£5,220 GBP
View
A
Retailer 13
-
$7,547 USD
€7,188 EUR
View
B+
Retailer 14
-
$9,878 USD
ZAR 159,572 ZAR
View
B+
Retailer 15
-
$10,248 USD
£8,069 GBP
View
B+
Retailer 16
-
$12,676 USD
View
B
Retailer 17
-
$15,351 USD
A$23,617 AUD
View
B
Retailer 18
-
$16,791 USD
View
B
Retailer 19
-
$17,298 USD
SGD 23,375 SGD
View
Most Expensive
B
Brilliant Earth
18669192Y · Oct 1
$21,220 USD
View
19 more retailers have this diamond
Prices start from $3,692 USDSave up to $17,528 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
4.30ct Radiant
$3,692 USD