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Round|Lab Grown|IGI

3.45ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG744514504

Shape and cutting style on the report: Round brilliant

Certificate IGI LG744514504

Diamond specifications and retailer prices

From $1,282 USD
As of October 29, 2026
Save $7,608 USD (86%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,890 USD at Blue Nile · As of October 29, 2026
View at Blue Nile

About this 3.45ct lab-grown round diamond

This 3.45ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG744514504 or 744514504. Listed at 15 retailers as of October 29, 2026, with prices from $1,282 to $8,890, a $7,608 spread on the same certified stone. Blue Nile lists it at $8,890. 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

3.45
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744514504
Dimensions9.69 × 9.75 × 5.94 mm
L/W Ratio1.01
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
9.69 mm9.75 mm3.45 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG744514504
Side View
Table 58.0%Crown 34.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.2%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $8,890 USD|Low: $1,282 USD|High: $9,669 USD|Avg: $3,807 USD|-7.8%
Blue Nile
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
October 29, 2026
Retailer 10$1,282 USD
Retailer 15$1,395 USD
Retailer 11$1,644 USD
Retailer 7$1,645 USD
Retailer 4$2,180 USD
Retailer 5$2,208 USD
Retailer 9$2,355 USD
Retailer 13$2,772 USD
Retailer 8$2,780 USD
Retailer 14$3,077 USD
Retailer 3$3,532 USD
Retailer 2$4,713 USD
Retailer 6$8,430 USD
Retailer 12$8,820 USD
Blue Nile$8,890 USD

31 data points across 15 retailers

15 retailers$1,282 USD to $8,890 USD

A+
Cheapest Retailer
-
$1,282 USD
A
Retailer 2
-
$1,395 USD
View
A
Retailer 3
-
$1,644 USD
View
A
Retailer 4
-
$1,645 USD
View
Final sale: no returns
A
Retailer 5
-
$2,180 USD
View
A
Retailer 6
-
$2,208 USD
View
A
Retailer 7
-
$2,355 USD
View
A
Retailer 8
-
$2,772 USD
View
A
Retailer 9
-
$2,780 USD
€2,648 EUR
View
A
Retailer 10
-
$3,077 USD
View
B+
Retailer 11
-
$3,532 USD
View
B+
Retailer 12
-
$4,713 USD
£3,711 GBP
View
B
Retailer 13
-
$8,430 USD
View
B
Retailer 14
-
$8,820 USD
View
Most Expensive
B
Blue Nile
27858157 · Oct 29
$8,890 USD
View
14 more retailers have this diamond
Prices start from $1,282 USDSave up to $7,608 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. Return terms as we hold them. Check the retailer's own returns page before you buy.

A+
3.45ct Round
$1,282 USD