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Round|Lab Grown|IGI

3.40ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG725503254

Certificate IGI LG725503254

Diamond specifications and retailer prices

From $895 USD
Save $15,665 USD (95%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $16,560 USD at Brilliant Earth
View at Brilliant Earth

About this 3.4ct lab-grown round diamond

This 3.4ct lab-grown round 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 LG725503254 or 725503254. Listed at 19 retailers, with prices from $895 to $16,560 at Brilliant Earth, a $15,665 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

3.40
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG725503254
Dimensions9.62 × 9.67 × 5.93 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
9.62 mm9.67 mm3.40 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG725503254
Side View
Table 58.0%Crown 34.5°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.5%

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: $16,560 USD|Low: $716 USD|High: $16,560 USD|Avg: $4,144 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
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Retailer 12
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Retailer 14
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Retailer 18
Retailer 19
October 1, 2026
Retailer 7$895 USD
Retailer 5$973 USD
Retailer 6$1,002 USD
Retailer 16$1,303 USD
Retailer 14$1,472 USD
Retailer 18$1,484 USD
Retailer 9$1,505 USD
Retailer 2$1,931 USD
Retailer 10$2,241 USD
Retailer 3$2,297 USD
Retailer 17$2,321 USD
Retailer 4$2,590 USD
Retailer 19$2,700 USD
Retailer 12$4,208 USD
Retailer 11$5,545 USD
Retailer 15$5,641 USD
Retailer 13$8,500 USD
Retailer 8$10,515 USD
Brilliant Earth$16,560 USD

21 data points across 19 retailers

19 retailers$895 USD to $16,560 USD

A
Cheapest Retailer
-
$895 USD
A
Retailer 2
-
$973 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$1,002 USD
View
A
Retailer 4
-
$1,303 USD
View
A
Retailer 5
-
$1,472 USD
£1,159 GBP
View
A
Retailer 6
-
$1,484 USD
View
A
Retailer 7
-
$1,505 USD
View
A
Retailer 8
-
$1,931 USD
€1,839 EUR
View
A
Retailer 9
-
$2,241 USD
View
A
Retailer 10
-
$2,297 USD
View
A
Retailer 11
-
$2,321 USD
View
A
Retailer 12
-
$2,590 USD
A$3,985 AUD
View
A
Retailer 13
-
$2,700 USD
View
B+
Retailer 14
-
$4,208 USD
£3,313 GBP
View
B+
Retailer 15
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$5,545 USD
View
B+
Retailer 16
-
$5,641 USD
A$8,679 AUD
View
B
Retailer 17
-
$8,500 USD
View
B
Retailer 18
-
$10,515 USD
View
Most Expensive
B
Brilliant Earth
15291230Y · Oct 1
$16,560 USD
View
18 more retailers have this diamond
Prices start from $895 USDSave up to $15,665 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
3.40ct Round
$895 USD