Radiant|Lab Grown|IGI

4.48ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG787621362

Certificate IGI LG787621362

Diamond specifications and retailer prices

From $6,333 USD
Save $30,929 USD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $37,262 USD at With Clarity
View at With Clarity

About this 4.48ct lab-grown radiant diamond

This 4.48ct 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 LG787621362 or 787621362. Listed at 13 retailers, with prices from $6,333 to $37,262 at With Clarity, a $30,929 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

4.48
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787621362
Dimensions12.00 × 8.19 × 5.30 mm
L/W Ratio1.47
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
12.00 mm8.19 mm4.48 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787621362
Side View
Table 66.0%Crown 42°Girdle: Slightly ThickPavilion 33.7°Culet: NoneDepth 64.7%

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: $10,651 USD|Low: $4,694 USD|High: $36,517 USD|Avg: $14,629 USD|-4.8%
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
With Clarity
October 1, 2026
Retailer 4$4,694 USD
Retailer 13$6,333 USD
Retailer 6$7,229 USD
Retailer 9$8,500 USD
Retailer 3$8,652 USD
Retailer 5$8,819 USD
Retailer 1$10,651 USD
Retailer 7$13,411 USD
Retailer 10$13,604 USD
Retailer 12$14,516 USD
Retailer 8$17,701 USD
Retailer 11$22,972 USD
Retailer 2$24,320 USD
With Clarity$36,517 USD

34 data points across 14 retailers

13 retailers$6,333 USD to $37,262 USD

A
Cheapest Retailer
-
$6,333 USD
A
Retailer 2
-
$7,229 USD
View
A
Retailer 3
-
$8,500 USD
£6,693 GBP
View
B+
Retailer 4
-
$8,652 USD
View
B+
Retailer 5
-
$8,819 USD
HK$68,900 HKD
View
B+
Retailer 6
-
$10,651 USD
€10,144 EUR
View
B+
Retailer 7
-
$13,411 USD
£10,560 GBP
View
B+
Retailer 8
-
$13,604 USD
View
B
Retailer 9
-
$14,516 USD
ZAR 234,500 ZAR
View
B
Retailer 10
-
$17,701 USD
View
B
Retailer 11
-
$22,972 USD
View
B
Retailer 12
-
$24,320 USD
View
Most Expensive
B
With Clarity
787621362 · Sep 30
$37,262 USD
View
12 more retailers have this diamond
Prices start from $6,333 USDSave up to $30,929 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
4.48ct Radiant
$6,333 USD