Radiant|Lab Grown|IGI

4.02ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG727578342

Certificate IGI LG727578342

Diamond specifications and retailer prices

From $3,608 USD
Save $18,334 USD (84%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $21,942 USD at With Clarity
View at With Clarity

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG727578342 or 727578342. Listed at 26 retailers, with prices from $3,608 to $21,942 at With Clarity, a $18,334 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

4.02
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle33.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG727578342
Dimensions11.69 × 7.88 × 5.08 mm
L/W Ratio1.48
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
11.69 mm7.88 mm4.02 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG727578342
Side View
Table 64.0%Crown 43°Girdle: MediumPavilion 33.1°Culet: NoneDepth 64.5%

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: $14,171 USD|Low: $2,997 USD|High: $22,801 USD|Avg: $8,542 USD|+1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
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Retailer 11
Retailer 12
Retailer 13
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Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
With Clarity
October 1, 2026
Retailer 18$3,608 USD
Retailer 24$3,925 USD
Retailer 5$4,067 USD
Retailer 11$4,127 USD
Retailer 4$4,340 USD
Retailer 10$4,736 USD
Retailer 13$5,116 USD
Retailer 3$5,197 USD
Retailer 12$5,230 USD
Retailer 9$5,495 USD
Retailer 19$5,725 USD
Retailer 20$5,890 USD
Retailer 8$6,416 USD
Retailer 6$6,634 USD
Retailer 21$8,744 USD
Retailer 22$9,069 USD
Retailer 23$9,072 USD
Retailer 17$11,143 USD
Retailer 16$11,422 USD
Retailer 2$11,510 USD
Retailer 14$11,617 USD
Retailer 1$14,171 USD
Retailer 7$14,754 USD
Retailer 15$15,023 USD
With Clarity$21,503 USD

40 data points across 25 retailers

26 retailers$3,608 USD to $21,942 USD

A
Cheapest Retailer
-
$3,608 USD
A
Retailer 2
-
$3,925 USD
View
A
Retailer 3
-
$4,067 USD
View
A
Retailer 4
-
$4,127 USD
View
A
Retailer 5
-
$4,340 USD
View
A
Retailer 6
-
$4,736 USD
View
A
Retailer 7
-
$5,116 USD
View
A
Retailer 8
-
$5,197 USD
HK$40,600 HKD
View
A
Retailer 9
-
$5,230 USD
View
A
Retailer 10
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$5,495 USD
View
A
Retailer 11
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$5,716 USD
£4,501 GBP
View
Price last confirmed 21 days ago
A
Retailer 12
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$5,738 USD
£4,518 GBP
View
A
Retailer 13
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$5,890 USD
View
A
Retailer 14
-
$6,416 USD
£5,052 GBP
View
A
Retailer 15
-
$6,634 USD
€6,318 EUR
View
B+
Retailer 16
-
$8,744 USD
ZAR 141,267 ZAR
View
B+
Retailer 17
-
$9,069 USD
A$13,953 AUD
View
B+
Retailer 18
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$9,072 USD
£7,143 GBP
View
B+
Retailer 19
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$11,143 USD
View
B+
Retailer 20
-
$11,422 USD
View
B+
Retailer 21
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$11,510 USD
View
B+
Retailer 22
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$11,617 USD
View
B+
Retailer 23
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$14,171 USD
A$21,802 AUD
View
B+
Retailer 24
-
$14,754 USD
View
B+
Retailer 25
-
$15,023 USD
SGD 20,302 SGD
View
Most Expensive
B
With Clarity
727578342 · Sep 30
$21,942 USD
View
25 more retailers have this diamond
Prices start from $3,608 USDSave up to $18,334 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
4.02ct Radiant
$3,608 USD