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Oval|Lab Grown|IGI

3.42ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG804659458

Certificate IGI LG804659458

Diamond specifications and retailer prices

From $2,725 USD
Save $15,365 USD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $18,090 USD at Brilliant Earth
View at Brilliant Earth

About this 3.42ct lab-grown oval diamond

This 3.42ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804659458 or 804659458. Listed at 11 retailers, with prices from $2,725 to $18,090 at Brilliant Earth, a $15,365 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804659458
Dimensions12.03 × 8.62 × 5.22 mm
L/W Ratio1.40
Girdle conditionFaceted
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
12.03 mm8.62 mm3.42 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804659458
Side View
Table 60.0%Crown 33.9°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 30
Current: $18,090 USD|Low: $2,607 USD|High: $20,350 USD|Avg: $6,970 USD|-11.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 1, 2026
Retailer 9$2,725 USD
Retailer 6$2,834 USD
Retailer 10$3,004 USD
Retailer 4$3,289 USD
Retailer 11$3,571 USD
Retailer 8$4,479 USD
Retailer 5$6,125 USD
Retailer 2$6,781 USD
Retailer 7$8,209 USD
Retailer 3$10,889 USD
Brilliant Earth$18,090 USD

35 data points across 11 retailers

11 retailers$2,725 USD to $18,090 USD

B+
Cheapest Retailer
-
$2,725 USD
B+
Retailer 2
-
$2,834 USD
View
B+
Retailer 3
-
$3,004 USD
View
B+
Retailer 4
-
$3,289 USD
£2,590 GBP
View
B+
Retailer 5
-
$3,571 USD
HK$27,900 HKD
View
B
Retailer 6
-
$4,479 USD
€4,266 EUR
View
B
Retailer 7
-
$6,125 USD
View
B
Retailer 8
-
$6,781 USD
£5,339 GBP
View
C
Retailer 9
-
$8,209 USD
View
C
Retailer 10
-
$10,889 USD
View
Price last confirmed 55 days ago
Most Expensive
C
Brilliant Earth
20883674Y · Sep 29
$18,090 USD
View
10 more retailers have this diamond
Prices start from $2,725 USDSave up to $15,365 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.

B+
3.42ct Oval
$2,725 USD