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Round|Lab Grown|IGI

3.40ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG754507827

Certificate IGI LG754507827

Diamond specifications and retailer prices

From $920 USD
Save $10,510 USD (92%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $11,430 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 LG754507827 or 754507827. Listed at 27 retailers, with prices from $920 to $11,430 at Brilliant Earth, a $10,510 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 angle33.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754507827
Dimensions9.76 × 9.73 × 5.87 mm
L/W Ratio1.00
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
9.76 mm9.73 mm3.40 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754507827
Side View
Table 57.0%Crown 33.1°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.2%

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: $11,430 USD|Low: $763 USD|High: $12,780 USD|Avg: $3,355 USD|-10.6%
Brilliant Earth
Retailer 2
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Retailer 24
October 1, 2026
Retailer 4$920 USD
Retailer 3$1,053 USD
Retailer 21$1,168 USD
Retailer 23$1,353 USD
Retailer 10$1,424 USD
Retailer 15$1,498 USD
Retailer 19$1,700 USD
Retailer 9$1,805 USD
Retailer 2$1,849 USD
Retailer 24$2,219 USD
Retailer 12$2,301 USD
Retailer 8$2,352 USD
Retailer 7$2,664 USD
Retailer 20$2,664 USD
Retailer 6$3,022 USD
Retailer 17$3,459 USD
Retailer 11$3,701 USD
Retailer 13$4,045 USD
Retailer 16$4,194 USD
Retailer 22$4,345 USD
Retailer 18$5,641 USD
Retailer 14$8,170 USD
Retailer 5$10,515 USD
Brilliant Earth$11,430 USD

37 data points across 24 retailers

27 retailers$920 USD to $11,430 USD

A
Cheapest Retailer
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$920 USD
A
Retailer 2
-
$1,001 USD
View
Price last confirmed 7 days ago
A
Retailer 3
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$1,053 USD
View
A
Retailer 4
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$1,168 USD
View
A
Retailer 5
-
$1,353 USD
View
A
Retailer 6
-
$1,424 USD
View
A
Retailer 7
-
$1,498 USD
HK$11,700 HKD
View
A
Retailer 8
-
$1,704 USD
£1,342 GBP
View
A
Retailer 9
-
$1,805 USD
View
A
Retailer 10
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$1,849 USD
€1,761 EUR
View
A
Retailer 11
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$2,209 USD
View
A
Retailer 12
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$2,219 USD
View
A
Retailer 13
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$2,301 USD
View
A
Retailer 14
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$2,352 USD
A$3,618 AUD
View
A
Retailer 15
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$2,664 USD
ZAR 43,035 ZAR
View
Price last confirmed 18 days ago
A
Retailer 16
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$2,664 USD
A$4,099 AUD
View
A
Retailer 17
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$3,022 USD
View
A
Retailer 18
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$3,459 USD
View
B+
Retailer 19
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$3,701 USD
View
B+
Retailer 20
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$4,045 USD
£3,185 GBP
View
B+
Retailer 21
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$4,194 USD
View
B+
Retailer 22
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$4,345 USD
SGD 5,871 SGD
View
B+
Retailer 23
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$5,530 USD
View
B+
Retailer 24
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$5,641 USD
A$8,679 AUD
View
B
Retailer 25
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$8,170 USD
View
B
Retailer 26
-
$10,515 USD
View
Most Expensive
B
Brilliant Earth
18652273Y · Sep 29
$11,430 USD
View
26 more retailers have this diamond
Prices start from $920 USDSave up to $10,510 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
$920 USD