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Radiant|Lab Grown|IGI

2.50ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG836618001

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG836618001

Diamond specifications and retailer prices

From $1,627 AUD
£900 GBP
As of October 30, 2026
Save $7,028 AUD (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $8,655 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.5ct lab-grown radiant diamond

This 2.5ct lab-grown radiant 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 LG836618001 or 836618001. Listed at 20 retailers as of October 30, 2026, with prices from $1,627 to $8,655, a $7,028 spread on the same certified stone. Brilliant Earth lists it at $8,655. 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

2.50
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.6°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836618001
Dimensions9.18 × 6.73 × 4.63 mm
L/W Ratio1.36
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
9.18 mm6.73 mm2.50 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836618001
Side View
Table 64.0%Crown 44.6°Girdle: MED-STKPavilion 35.6°Culet: NoneDepth 68.8%

Caratlytics Score

How it works →
A
Excellent
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 30
Current: $8,655 AUD|Low: $1,504 AUD|High: $12,848 AUD|Avg: $5,109 AUD|-30.3%
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
October 30, 2026
Retailer 2$1,627 AUD
Retailer 16$1,683 AUD
Retailer 3$1,851 AUD
Retailer 11$2,474 AUD
Retailer 17$2,565 AUD
Retailer 15$2,825 AUD
Retailer 18$3,457 AUD
Retailer 4$3,676 AUD
Retailer 13$4,100 AUD
Retailer 5$4,426 AUD
Retailer 7$4,909 AUD
Retailer 12$5,469 AUD
Retailer 6$5,587 AUD
Retailer 9$5,962 AUD
Retailer 14$6,429 AUD
Retailer 8$7,386 AUD
Retailer 10$7,702 AUD
Brilliant Earth$8,655 AUD

27 data points across 18 retailers

20 retailers$1,627 AUD to $8,655 AUD

A
Cheapest Retailer
-
$1,627 AUD
£900 GBP
A
Retailer 2
-
$1,683 AUD
$1,182 USD
View
Final sale: no returns
A
Retailer 3
-
$1,851 AUD
$1,300 USD
View
Retailer 4
-
$1,977 AUD
$1,389 USD
View
Price last confirmed 28 days ago
Retailer 5
-
$2,389 AUD
$1,678 USD
View
Price last confirmed 27 days ago
A
Retailer 6
-
$2,474 AUD
£1,368 GBP
View
A
Retailer 7
-
$2,565 AUD
$1,802 USD
View
Retailer 8
-
$2,825 AUD
€1,890 EUR
View
Price last confirmed 7 days ago
A
Retailer 9
-
$3,457 AUD
$2,428 USD
View
A
Retailer 10
-
$3,676 AUD
$2,582 USD
View
B+
Retailer 11
-
$4,100 AUD
ZAR 46,524 ZAR
View
B+
Retailer 12
-
$4,426 AUD
£2,448 GBP
View
B+
Retailer 13
-
$4,909 AUD
$3,448 USD
View
B+
Retailer 14
-
$5,469 AUD
£3,025 GBP
View
B+
Retailer 15
-
$5,587 AUD
$3,924 USD
View
B+
Retailer 16
-
$5,962 AUD
SGD 5,659 SGD
View
B+
Retailer 17
-
$6,429 AUD
$4,516 USD
View
B
Retailer 18
-
$7,386 AUD
$5,188 USD
View
Retailer 19
-
$7,702 AUD
$5,410 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
21603031A · Oct 30
$8,655 AUD
$6,080 USD
View
19 more retailers have this diamond
Prices start from $1,627 AUDSave up to $7,028 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
2.50ct Radiant
$1,627 AUD