CaratHunter
Plans
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 $1,825 AUD
$1,282 USD
As of October 29, 2026
Save $10,829 AUD (86%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $12,654 AUD 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 $1,825 to $12,654, a $10,829 spread on the same certified stone. Blue Nile lists it at $12,654. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $12,654 AUD|Low: $1,825 AUD|High: $13,763 AUD|Avg: $5,419 AUD|-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$1,825 AUD
Retailer 15$1,986 AUD
Retailer 11$2,340 AUD
Retailer 7$2,341 AUD
Retailer 4$3,103 AUD
Retailer 5$3,143 AUD
Retailer 9$3,352 AUD
Retailer 13$3,946 AUD
Retailer 8$3,958 AUD
Retailer 14$4,380 AUD
Retailer 3$5,027 AUD
Retailer 2$6,708 AUD
Retailer 6$11,999 AUD
Retailer 12$12,554 AUD
Blue Nile$12,654 AUD

31 data points across 15 retailers

15 retailers$1,825 AUD to $12,654 AUD

A+
Cheapest Retailer
-
$1,825 AUD
$1,282 USD
A
Retailer 2
-
$1,986 AUD
$1,395 USD
View
A
Retailer 3
-
$2,340 AUD
$1,644 USD
View
A
Retailer 4
-
$2,341 AUD
$1,645 USD
View
Final sale: no returns
A
Retailer 5
-
$3,103 AUD
$2,180 USD
View
A
Retailer 6
-
$3,143 AUD
$2,208 USD
View
A
Retailer 7
-
$3,352 AUD
$2,355 USD
View
A
Retailer 8
-
$3,946 AUD
$2,772 USD
View
A
Retailer 9
-
$3,958 AUD
€2,648 EUR
View
A
Retailer 10
-
$4,380 AUD
$3,077 USD
View
B+
Retailer 11
-
$5,027 AUD
$3,532 USD
View
B+
Retailer 12
-
$6,708 AUD
£3,711 GBP
View
B
Retailer 13
-
$11,999 AUD
$8,430 USD
View
B
Retailer 14
-
$12,554 AUD
$8,820 USD
View
Most Expensive
B
Blue Nile
27858157 · Oct 29
$12,654 AUD
$8,890 USD
View
14 more retailers have this diamond
Prices start from $1,825 AUDSave up to $10,829 AUD

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
$1,825 AUD