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Radiant|Lab Grown|IGI

3.42ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG737568564

Certificate IGI LG737568564

Diamond specifications and retailer prices

From $1,615 USD
Save $11,965 USD (88%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $13,580 USD at Brilliant Earth
View at Brilliant Earth

About this 3.42ct lab-grown radiant diamond

This 3.42ct 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 LG737568564 or 737568564. Listed at 26 retailers, with prices from $1,615 to $13,580 at Brilliant Earth, a $11,965 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

3.42
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.6°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG737568564
Dimensions10.79 × 7.50 × 4.92 mm
L/W Ratio1.44
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
10.79 mm7.50 mm3.42 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG737568564
Side View
Table 63.0%Crown 43.6°Girdle: MediumPavilion 33.7°Culet: NoneDepth 65.6%

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: $13,580 USD|Low: $1,290 USD|High: $13,590 USD|Avg: $4,696 USD|-0.1%
Brilliant Earth
Retailer 2
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Retailer 26
October 1, 2026
Retailer 24$1,615 USD
Retailer 26$1,757 USD
Retailer 5$1,848 USD
Retailer 11$2,045 USD
Retailer 8$2,079 USD
Retailer 7$2,089 USD
Retailer 17$2,274 USD
Retailer 23$2,291 USD
Retailer 20$2,724 USD
Retailer 4$2,913 USD
Retailer 21$3,400 USD
Retailer 22$3,511 USD
Retailer 14$3,727 USD
Retailer 9$4,248 USD
Retailer 12$4,526 USD
Retailer 15$4,891 USD
Retailer 2$5,415 USD
Retailer 10$5,456 USD
Retailer 25$5,665 USD
Retailer 18$5,709 USD
Retailer 19$6,579 USD
Retailer 6$6,613 USD
Retailer 16$7,078 USD
Retailer 13$7,608 USD
Retailer 3$11,872 USD
Brilliant Earth$13,580 USD

41 data points across 26 retailers

26 retailers$1,615 USD to $13,580 USD

A
Cheapest Retailer
-
$1,615 USD
A
Retailer 2
-
$1,757 USD
View
A
Retailer 3
-
$1,848 USD
View
A
Retailer 4
-
$2,045 USD
View
A
Retailer 5
-
$2,079 USD
View
A
Retailer 6
-
$2,089 USD
View
A
Retailer 7
-
$2,274 USD
View
A
Retailer 8
-
$2,291 USD
HK$17,900 HKD
View
A
Retailer 9
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$2,724 USD
£2,145 GBP
View
A
Retailer 10
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$2,913 USD
€2,774 EUR
View
A
Retailer 11
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$3,400 USD
View
A
Retailer 12
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$3,511 USD
View
A
Retailer 13
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$3,727 USD
View
A
Retailer 14
-
$4,248 USD
ZAR 68,625 ZAR
View
Price last confirmed 9 days ago
B+
Retailer 15
-
$4,526 USD
£3,564 GBP
View
B+
Retailer 16
-
$4,891 USD
View
B+
Retailer 17
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$5,415 USD
£4,264 GBP
View
B+
Retailer 18
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$5,456 USD
View
B+
Retailer 19
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$5,665 USD
View
B+
Retailer 20
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$5,709 USD
View
B+
Retailer 21
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$6,579 USD
View
B+
Retailer 22
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$6,613 USD
SGD 8,936 SGD
View
B+
Retailer 23
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$7,222 USD
View
B+
Retailer 24
-
$7,608 USD
A$11,704 AUD
View
B
Retailer 25
-
$11,872 USD
View
Most Expensive
B
Brilliant Earth
16122379A · Sep 29
$13,580 USD
View
25 more retailers have this diamond
Prices start from $1,615 USDSave up to $11,965 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
3.42ct Radiant
$1,615 USD