Radiant|Lab Grown|IGI

4.02ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG833668426

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG833668426

Diamond specifications and retailer prices

From $4,215 USD
As of October 31, 2026
Save $23,175 USD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $27,390 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.02ct lab-grown radiant diamond

This 4.02ct 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 LG833668426 or 833668426. Listed at 17 retailers as of October 31, 2026, with prices from $4,215 to $27,390, a $23,175 spread on the same certified stone. Do Amore Diamonds lists it at $27,390. 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

4.02
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.3°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833668426
Dimensions11.23 × 7.94 × 5.27 mm
L/W Ratio1.41
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
11.23 mm7.94 mm4.02 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833668426
Side View
Table 64.0%Crown 42.3°Girdle: MED-STKPavilion 35.3°Culet: NoneDepth 66.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $27,390 USD|Low: $4,259 USD|High: $27,390 USD|Avg: $10,276 USD
Do Amore Diamonds
Retailer 2
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Retailer 11
Retailer 12
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Retailer 17
October 31, 2026
Retailer 13$4,259 USD
Retailer 16$4,458 USD
Retailer 6$4,604 USD
Retailer 10$4,675 USD
Retailer 4$4,683 USD
Retailer 11$6,125 USD
Retailer 2$6,555 USD
Retailer 14$7,178 USD
Retailer 8$8,045 USD
Retailer 3$10,611 USD
Retailer 15$10,849 USD
Retailer 5$11,360 USD
Retailer 12$12,713 USD
Retailer 9$13,947 USD
Retailer 7$18,183 USD
Retailer 17$22,749 USD
Do Amore Diamonds$27,390 USD

4 data points across 17 retailers

17 retailers$4,215 USD to $27,390 USD

A
Cheapest Retailer
-
$4,215 USD
A
Retailer 2
-
$4,259 USD
£3,353 GBP
View
A
Retailer 3
-
$4,458 USD
View
Final sale: no returns
A
Retailer 4
-
$4,604 USD
View
A
Retailer 5
-
$4,675 USD
View
A
Retailer 6
-
$6,125 USD
View
A
Retailer 7
-
$6,555 USD
£5,161 GBP
View
B+
Retailer 8
-
$7,178 USD
£5,652 GBP
View
B+
Retailer 9
-
$8,045 USD
View
B+
Retailer 10
-
$10,611 USD
£8,355 GBP
View
B+
Retailer 11
-
$10,849 USD
ZAR 175,267 ZAR
View
B
Retailer 12
-
$11,360 USD
View
B
Retailer 13
-
$12,713 USD
View
B
Retailer 14
-
$13,947 USD
View
B
Retailer 15
-
$18,183 USD
View
B
Retailer 16
-
$22,749 USD
View
Most Expensive
B
Do Amore Diamonds
27-AE3080ABF · Oct 31
$27,390 USD
View
16 more retailers have this diamond
Prices start from $4,215 USDSave up to $23,175 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. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
4.02ct Radiant
$4,215 USD