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Oval|Lab Grown|IGI

3.42ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG727578345

Certificate IGI LG727578345

Diamond specifications and retailer prices

From $1,249 USD
Save $8,671 USD (87%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $9,920 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG727578345 or 727578345. Listed at 28 retailers, with prices from $1,249 to $9,920 at Brilliant Earth, a $8,671 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 angle36.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG727578345
Dimensions11.96 × 8.52 × 5.39 mm
L/W Ratio1.40
Girdle conditionFaceted
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
11.96 mm8.52 mm3.42 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG727578345
Side View
Table 61.0%Crown 36.8°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.3%

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 28
Current: $9,920 USD|Low: $998 USD|High: $9,920 USD|Avg: $3,523 USD
Brilliant Earth
Retailer 2
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Retailer 27
October 1, 2026
Retailer 8$1,249 USD
Retailer 4$1,359 USD
Retailer 9$1,429 USD
Retailer 3$1,599 USD
Retailer 22$1,620 USD
Retailer 7$1,708 USD
Retailer 13$1,740 USD
Retailer 18$1,760 USD
Retailer 21$1,766 USD
Retailer 23$2,089 USD
Retailer 5$2,277 USD
Retailer 14$2,700 USD
Retailer 27$2,715 USD
Retailer 25$3,275 USD
Retailer 10$3,285 USD
Retailer 12$3,505 USD
Retailer 15$3,606 USD
Retailer 16$3,762 USD
Retailer 11$4,471 USD
Retailer 19$4,540 USD
Retailer 2$4,710 USD
Retailer 20$5,081 USD
Retailer 6$5,118 USD
Retailer 17$5,445 USD
Retailer 26$5,945 USD
Retailer 24$8,072 USD
Brilliant Earth$9,920 USD

37 data points across 27 retailers

28 retailers$1,249 USD to $9,920 USD

A
Cheapest Retailer
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$1,249 USD
A
Retailer 2
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$1,359 USD
View
A
Retailer 3
-
$1,429 USD
View
A
Retailer 4
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$1,599 USD
View
A
Retailer 5
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$1,620 USD
View
A
Retailer 6
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$1,708 USD
View
A
Retailer 7
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$1,740 USD
£1,370 GBP
View
A
Retailer 8
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$1,760 USD
View
A
Retailer 9
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$1,766 USD
HK$13,800 HKD
View
A
Retailer 10
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$2,051 USD
£1,615 GBP
View
Price last confirmed 21 days ago
A
Retailer 11
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$2,088 USD
£1,644 GBP
View
A
Retailer 12
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$2,277 USD
€2,169 EUR
View
A
Retailer 13
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$2,700 USD
View
A
Retailer 14
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$2,715 USD
View
A
Retailer 15
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$3,275 USD
A$5,038 AUD
View
A
Retailer 16
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$3,285 USD
ZAR 53,070 ZAR
View
Price last confirmed 9 days ago
A
Retailer 17
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$3,505 USD
£2,760 GBP
View
A
Retailer 18
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$3,606 USD
View
A
Retailer 19
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$3,762 USD
View
B+
Retailer 20
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$4,471 USD
View
B+
Retailer 21
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$4,540 USD
View
B+
Retailer 22
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$4,710 USD
£3,709 GBP
View
B+
Retailer 23
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$5,081 USD
View
B+
Retailer 24
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$5,118 USD
SGD 6,916 SGD
View
B+
Retailer 25
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$5,556 USD
View
B+
Retailer 26
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$5,945 USD
View
B
Retailer 27
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$8,072 USD
A$12,419 AUD
View
Most Expensive
B
Brilliant Earth
15744686A · Sep 29
$9,920 USD
View
27 more retailers have this diamond
Prices start from $1,249 USDSave up to $8,671 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 Oval
$1,249 USD