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Round|Lab Grown|IGI

2.43ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG816616089

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816616089

Diamond specifications and retailer prices

From $857 AUD
$602 USD
As of October 29, 2026
Save $7,571 AUD (90%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $8,428 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.43ct lab-grown round diamond

This 2.43ct lab-grown round sits in the two to three carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816616089 or 816616089. Listed at 20 retailers as of October 29, 2026, with prices from $857 to $8,428, a $7,571 spread on the same certified stone. Brilliant Earth lists it at $8,428. 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

2.43
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816616089
Dimensions8.74 × 8.69 × 5.20 mm
L/W Ratio1.01
Girdle conditionFaceted
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
8.74 mm8.69 mm2.43 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816616089
Side View
Table 59.0%Crown 33°Girdle: MediumPavilion 40.7°Culet: NoneDepth 59.7%

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: $8,428 AUD|Low: $857 AUD|High: $12,784 AUD|Avg: $2,907 AUD|-34.1%
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
October 31, 2026
Retailer 4$857 AUD
Retailer 20$961 AUD
Retailer 14$971 AUD
Retailer 8$1,063 AUD
Retailer 11$1,081 AUD
Retailer 18$1,246 AUD
Retailer 19$1,631 AUD
Retailer 13$1,659 AUD
Retailer 2$1,697 AUD
Retailer 5$2,349 AUD
Retailer 16$2,566 AUD
Retailer 3$2,639 AUD
Retailer 7$2,797 AUD
Retailer 9$3,371 AUD
Retailer 6$3,439 AUD
Retailer 12$3,527 AUD
Retailer 10$3,710 AUD
Retailer 15$4,641 AUD
Retailer 17$7,004 AUD
Brilliant Earth$8,428 AUD

25 data points across 20 retailers

20 retailers$857 AUD to $8,428 AUD

A
Cheapest Retailer
-
$857 AUD
$602 USD
A
Retailer 2
-
$961 AUD
$675 USD
View
A
Retailer 3
-
$971 AUD
$682 USD
View
Final sale: no returns
A
Retailer 4
-
$1,063 AUD
$747 USD
View
Retailer 5
-
$1,081 AUD
$759 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$1,246 AUD
$875 USD
View
A
Retailer 7
-
$1,631 AUD
$1,146 USD
View
A
Retailer 8
-
$1,659 AUD
£918 GBP
View
A
Retailer 9
-
$1,697 AUD
€1,135 EUR
View
A
Retailer 10
-
$2,349 AUD
$1,650 USD
View
A
Retailer 11
-
$2,566 AUD
ZAR 29,121 ZAR
View
A
Retailer 12
-
$2,639 AUD
$1,854 USD
View
B+
Retailer 13
-
$2,797 AUD
$1,965 USD
View
B+
Retailer 14
-
$3,371 AUD
$2,368 USD
View
B+
Retailer 15
-
$3,439 AUD
$2,416 USD
View
B+
Retailer 16
-
$3,527 AUD
SGD 3,348 SGD
View
B+
Retailer 17
-
$3,710 AUD
$2,606 USD
View
B+
Retailer 18
-
$4,641 AUD
£2,567 GBP
View
B
Retailer 19
-
$7,004 AUD
$4,920 USD
View
Most Expensive
B
Brilliant Earth
21421890A · Oct 30
$8,428 AUD
$5,920 USD
View
19 more retailers have this diamond
Prices start from $857 AUDSave up to $7,571 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
2.43ct Round
$857 AUD