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Radiant|Lab Grown|IGI

3.42ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG700513251

Certificate IGI LG700513251

Diamond specifications and retailer prices

From $1,420 USD
Save $6,990 USD (83%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $8,410 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 LG700513251 or 700513251. Listed at 26 retailers, with prices from $1,420 to $8,410 at Brilliant Earth, a $6,990 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 angle43.2°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700513251
Dimensions10.70 × 7.59 × 5.01 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
10.70 mm7.59 mm3.42 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700513251
Side View
Table 67.0%Crown 43.2°Girdle: MED-STKPavilion 35°Culet: NoneDepth 66.0%

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: $8,410 USD|Low: $1,169 USD|High: $11,960 USD|Avg: $3,976 USD|-29.7%
Brilliant Earth
Retailer 2
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Retailer 21
October 1, 2026
Retailer 15$1,820 USD
Retailer 21$1,823 USD
Retailer 5$1,880 USD
Retailer 9$2,000 USD
Retailer 13$2,010 USD
Retailer 16$2,380 USD
Retailer 6$2,591 USD
Retailer 17$2,989 USD
Retailer 8$3,663 USD
Retailer 20$3,723 USD
Retailer 19$3,754 USD
Retailer 7$3,978 USD
Retailer 14$4,289 USD
Retailer 18$4,760 USD
Retailer 12$4,796 USD
Retailer 10$5,086 USD
Retailer 2$5,611 USD
Retailer 11$5,816 USD
Retailer 4$6,207 USD
Retailer 3$7,500 USD
Brilliant Earth$8,410 USD

40 data points across 21 retailers

26 retailers$1,420 USD to $8,410 USD

A
Cheapest Retailer
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$1,420 USD
A
Retailer 2
-
$1,545 USD
View
A
Retailer 3
-
$1,624 USD
View
A
Retailer 4
-
$1,820 USD
View
Retailer 5
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$1,823 USD
View
A
Retailer 6
-
$1,880 USD
View
A
Retailer 7
-
$2,000 USD
View
A
Retailer 8
-
$2,010 USD
HK$15,700 HKD
View
A
Retailer 9
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$2,385 USD
£1,878 GBP
View
A
Retailer 10
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$2,409 USD
£1,897 GBP
View
Price last confirmed 21 days ago
A
Retailer 11
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$2,591 USD
€2,468 EUR
View
A
Retailer 12
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$2,989 USD
View
A
Retailer 13
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$3,087 USD
View
A
Retailer 14
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$3,663 USD
View
A
Retailer 15
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$3,723 USD
A$5,728 AUD
View
A
Retailer 16
-
$3,754 USD
ZAR 60,654 ZAR
View
A
Retailer 17
-
$3,978 USD
£3,132 GBP
View
A
Retailer 18
-
$4,289 USD
View
A
Retailer 19
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$4,760 USD
£3,748 GBP
View
B+
Retailer 20
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$4,796 USD
View
B+
Retailer 21
-
$5,086 USD
View
B+
Retailer 22
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$5,611 USD
View
B+
Retailer 23
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$5,816 USD
SGD 7,860 SGD
View
B+
Retailer 24
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$6,334 USD
View
B+
Retailer 25
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$7,500 USD
A$11,539 AUD
View
Most Expensive
B
Brilliant Earth
14915634A · Sep 29
$8,410 USD
View
25 more retailers have this diamond
Prices start from $1,420 USDSave up to $6,990 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
$1,420 USD