Radiant|Lab Grown|IGI

3.42ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG715553923

Certificate IGI LG715553923

Diamond specifications and retailer prices

From $1,500 USD
Save $11,980 USD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $13,480 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 LG715553923 or 715553923. Listed at 14 retailers, with prices from $1,500 to $13,480 at Brilliant Earth, a $11,980 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 angle41.6°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG715553923
Dimensions10.77 × 7.27 × 5.12 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
10.77 mm7.27 mm3.42 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG715553923
Side View
Table 64.0%Crown 41.6°Girdle: Slightly ThickPavilion 35°Culet: NoneDepth 70.4%

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: $13,480 USD|Low: $1,122 USD|High: $13,480 USD|Avg: $4,965 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
September 29, 2026
Retailer 2$1,500 USD
Retailer 3$1,506 USD
Retailer 6$1,570 USD
Retailer 4$1,760 USD
Retailer 16$2,277 USD
Retailer 10$2,617 USD
Retailer 5$2,812 USD
Retailer 13$3,314 USD
Retailer 9$3,416 USD
Retailer 15$3,726 USD
Retailer 11$4,766 USD
Retailer 14$5,595 USD
Retailer 8$5,945 USD
Retailer 7$7,069 USD
Retailer 12$7,529 USD
Retailer 17$10,170 USD
Brilliant Earth$13,480 USD

17 data points across 17 retailers

14 retailers$1,500 USD to $13,480 USD

A
Cheapest Retailer
-
$1,500 USD
A
Retailer 2
-
$1,506 USD
View
A
Retailer 3
-
$1,570 USD
View
A
Retailer 4
-
$1,760 USD
View
A
Retailer 5
-
$2,277 USD
€2,169 EUR
View
A
Retailer 6
-
$2,617 USD
View
A
Retailer 7
-
$2,812 USD
View
A
Retailer 8
-
$3,314 USD
A$5,099 AUD
View
A
Retailer 9
-
$3,726 USD
View
A
Retailer 10
-
$4,766 USD
£3,753 GBP
View
B+
Retailer 11
-
$5,595 USD
View
B+
Retailer 12
-
$7,529 USD
A$11,583 AUD
View
B
Retailer 13
-
$10,170 USD
View
Most Expensive
B
Brilliant Earth
16112689Y · Sep 29
$13,480 USD
View
13 more retailers have this diamond
Prices start from $1,500 USDSave up to $11,980 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
$1,500 USD