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Radiant|Lab Grown|IGI

4.22ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG780667839

Certificate IGI LG780667839

Diamond specifications and retailer prices

From $5,285 USD
Save $29,555 USD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $34,840 USD at Do Amore Diamonds
View at Do Amore Diamonds

About this 4.22ct lab-grown radiant diamond

This 4.22ct 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 LG780667839 or 780667839. Listed at 18 retailers, with prices from $5,285 to $34,840 at Do Amore Diamonds, a $29,555 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

4.22
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.7°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780667839
Dimensions11.34 × 8.04 × 5.36 mm
L/W Ratio1.41
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
11.34 mm8.04 mm4.22 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780667839
Side View
Table 62.0%Crown 44.7°Girdle: Slightly ThickPavilion 35.1°Culet: NoneDepth 66.7%

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: Oct 1
Current: $34,840 USD|Low: $4,420 USD|High: $38,030 USD|Avg: $14,382 USD|-8.4%
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
Retailer 13
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Retailer 16
Retailer 17
October 1, 2026
Retailer 17$5,285 USD
Retailer 9$5,367 USD
Retailer 8$5,671 USD
Retailer 4$5,895 USD
Retailer 13$7,791 USD
Retailer 12$8,444 USD
Retailer 16$8,481 USD
Retailer 10$9,159 USD
Retailer 2$10,044 USD
Retailer 7$12,019 USD
Retailer 14$13,354 USD
Retailer 11$13,550 USD
Retailer 3$16,170 USD
Retailer 15$20,607 USD
Retailer 6$22,889 USD
Retailer 5$30,632 USD
Do Amore Diamonds$34,840 USD

37 data points across 17 retailers

18 retailers$5,285 USD to $34,840 USD

A
Cheapest Retailer
-
$5,285 USD
A
Retailer 2
-
$5,671 USD
View
A
Retailer 3
-
$5,895 USD
View
A
Retailer 4
-
$7,791 USD
View
B+
Retailer 5
-
$8,462 USD
£6,663 GBP
View
B+
Retailer 6
-
$8,481 USD
View
B+
Retailer 7
-
$9,159 USD
£7,212 GBP
View
B+
Retailer 8
-
$10,044 USD
€9,566 EUR
View
B+
Retailer 9
-
$12,019 USD
View
B+
Retailer 10
-
$13,354 USD
£10,515 GBP
View
B
Retailer 11
-
$13,550 USD
ZAR 218,906 ZAR
View
B
Retailer 12
-
$16,170 USD
View
B
Retailer 13
-
$17,842 USD
View
B
Retailer 14
-
$20,607 USD
View
B
Retailer 15
-
$22,889 USD
View
B
Retailer 16
-
$28,927 USD
View
Price last confirmed 40 days ago
B
Retailer 17
-
$30,632 USD
View
Most Expensive
B
Do Amore Diamonds
27-26205CAA6 · Sep 30
$34,840 USD
View
17 more retailers have this diamond
Prices start from $5,285 USDSave up to $29,555 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
4.22ct Radiant
$5,285 USD