CaratHunter
Plans
Radiant|Lab Grown|IGI

3.42ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG727578340

Certificate IGI LG727578340

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 LG727578340 or 727578340. 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 angle40.4°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG727578340
Dimensions10.50 × 7.61 × 5.00 mm
L/W Ratio1.38
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
10.50 mm7.61 mm3.42 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG727578340
Side View
Table 63.0%Crown 40.4°Girdle: MED-STKPavilion 34.4°Culet: NoneDepth 65.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
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: $4,689 USD|-0.1%
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 1, 2026
Retailer 6$2,045 USD
Retailer 22$2,079 USD
Retailer 5$2,089 USD
Retailer 12$2,274 USD
Retailer 16$2,291 USD
Retailer 17$2,718 USD
Retailer 3$2,913 USD
Retailer 18$3,400 USD
Retailer 9$3,727 USD
Retailer 21$4,235 USD
Retailer 20$4,271 USD
Retailer 8$4,526 USD
Retailer 10$4,891 USD
Retailer 19$5,415 USD
Retailer 7$5,456 USD
Retailer 15$5,645 USD
Retailer 14$5,709 USD
Retailer 2$6,128 USD
Retailer 4$6,613 USD
Retailer 11$7,078 USD
Retailer 13$7,608 USD
Brilliant Earth$13,580 USD

42 data points across 22 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
-
$2,724 USD
£2,145 GBP
View
A
Retailer 10
-
$2,913 USD
€2,774 EUR
View
A
Retailer 11
-
$3,400 USD
View
A
Retailer 12
-
$3,511 USD
View
A
Retailer 13
-
$3,727 USD
View
A
Retailer 14
-
$4,235 USD
A$6,515 AUD
View
A
Retailer 15
-
$4,271 USD
ZAR 69,000 ZAR
View
B+
Retailer 16
-
$4,526 USD
£3,564 GBP
View
B+
Retailer 17
-
$4,891 USD
View
B+
Retailer 18
-
$5,415 USD
£4,264 GBP
View
B+
Retailer 19
-
$5,456 USD
View
B+
Retailer 20
-
$5,645 USD
View
Price last confirmed 42 days ago
B+
Retailer 21
-
$5,709 USD
View
B+
Retailer 22
-
$6,128 USD
View
B+
Retailer 23
-
$6,613 USD
SGD 8,936 SGD
View
B+
Retailer 24
-
$7,222 USD
View
B+
Retailer 25
-
$7,608 USD
A$11,704 AUD
View
Most Expensive
B
Brilliant Earth
15744659A · 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