CaratHunter
Plans
Round|Lab Grown|IGI

3.50ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG790661215

Shape and cutting style on the report: Round brilliant

Certificate IGI LG790661215

Diamond specifications and retailer prices

From $2,679 AUD
$1,882 USD
As of October 29, 2026
Save $11,014 AUD (80%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $13,693 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.5ct lab-grown round diamond

This 3.5ct 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 LG790661215 or 790661215. Listed at 22 retailers as of October 29, 2026, with prices from $2,679 to $13,693, a $11,014 spread on the same certified stone. Brilliant Earth lists it at $13,693. 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

3.50
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790661215
Dimensions9.69 × 9.65 × 6.01 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
9.69 mm9.65 mm3.50 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790661215
Side View
Table 58.0%Crown 35.3°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
A
Excellent
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: $13,693 AUD|Low: $2,572 AUD|High: $14,689 AUD|Avg: $6,228 AUD|-6.8%
Brilliant Earth
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 30, 2026
Retailer 4$2,679 AUD
Retailer 12$2,915 AUD
Retailer 8$3,107 AUD
Retailer 14$3,107 AUD
Retailer 18$3,304 AUD
Retailer 10$3,339 AUD
Retailer 17$3,345 AUD
Retailer 2$4,256 AUD
Retailer 6$4,541 AUD
Retailer 7$4,871 AUD
Retailer 21$5,103 AUD
Retailer 16$5,469 AUD
Retailer 9$5,825 AUD
Retailer 13$7,216 AUD
Retailer 19$8,374 AUD
Retailer 20$8,882 AUD
Retailer 15$8,923 AUD
Retailer 11$10,886 AUD
Retailer 5$11,524 AUD
Retailer 3$12,626 AUD
Brilliant Earth$13,693 AUD

31 data points across 21 retailers

22 retailers$2,679 AUD to $13,693 AUD

A
Cheapest Retailer
-
$2,679 AUD
$1,882 USD
A
Retailer 2
-
$2,915 AUD
$2,048 USD
View
A
Retailer 3
-
$3,107 AUD
$2,183 USD
View
Retailer 4
-
$3,107 AUD
$2,183 USD
View
Price last confirmed 19 days ago
A
Retailer 5
-
$3,304 AUD
$2,321 USD
View
Final sale: no returns
A
Retailer 6
-
$3,339 AUD
$2,346 USD
View
A
Retailer 7
-
$3,345 AUD
$2,350 USD
View
A
Retailer 8
-
$4,256 AUD
£2,354 GBP
View
A
Retailer 9
-
$4,541 AUD
$3,190 USD
View
A
Retailer 10
-
$4,871 AUD
$3,422 USD
View
A
Retailer 11
-
$5,103 AUD
$3,585 USD
View
B+
Retailer 12
-
$5,469 AUD
€3,659 EUR
View
B+
Retailer 13
-
$5,825 AUD
$4,092 USD
View
B+
Retailer 14
-
$7,216 AUD
ZAR 81,903 ZAR
View
B+
Retailer 15
-
$8,086 AUD
$5,681 USD
View
B+
Retailer 16
-
$8,374 AUD
$5,883 USD
View
B+
Retailer 17
-
$8,882 AUD
$6,240 USD
View
B+
Retailer 18
-
$8,923 AUD
£4,936 GBP
View
B+
Retailer 19
-
$10,886 AUD
$7,648 USD
View
B
Retailer 20
-
$11,524 AUD
SGD 10,941 SGD
View
B
Retailer 21
-
$12,626 AUD
$8,870 USD
View
Most Expensive
B
Brilliant Earth
21419297A · Oct 29
$13,693 AUD
$9,620 USD
View
21 more retailers have this diamond
Prices start from $2,679 AUDSave up to $11,014 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
3.50ct Round
$2,679 AUD