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Radiant|Lab Grown|IGI

2.59ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG782601947

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

Certificate IGI LG782601947

Diamond specifications and retailer prices

From $1,742 AUD
$1,224 USD
As of October 31, 2026
Save $7,226 AUD (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $8,969 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.59ct lab-grown radiant diamond

This 2.59ct 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 LG782601947 or 782601947. Listed at 21 retailers as of October 30, 2026, with prices from $1,742 to $8,969, a $7,226 spread on the same certified stone. Brilliant Earth lists it at $8,969. 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

2.59
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.8°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG782601947
Dimensions9.34 × 6.90 × 4.67 mm
L/W Ratio1.35
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
9.34 mm6.90 mm2.59 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG782601947
Side View
Table 63.0%Crown 40.8°Girdle: Slightly ThickPavilion 35.3°Culet: NoneDepth 67.7%

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 31
Current: $8,969 AUD|Low: $1,476 AUD|High: $12,827 AUD|Avg: $4,757 AUD|-30.1%
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
October 31, 2026
Retailer 6$1,742 AUD
Retailer 12$1,851 AUD
Retailer 16$2,010 AUD
Retailer 10$2,373 AUD
Retailer 17$2,651 AUD
Retailer 2$2,931 AUD
Retailer 3$3,469 AUD
Retailer 4$3,925 AUD
Retailer 11$4,283 AUD
Retailer 5$4,578 AUD
Retailer 14$5,085 AUD
Retailer 13$5,637 AUD
Retailer 7$5,788 AUD
Retailer 8$6,168 AUD
Retailer 15$6,660 AUD
Retailer 9$7,979 AUD
Brilliant Earth$8,969 AUD

30 data points across 17 retailers

21 retailers$1,742 AUD to $8,969 AUD

A
Cheapest Retailer
-
$1,742 AUD
$1,224 USD
Final sale: no returns
A
Retailer 2
-
$1,851 AUD
$1,300 USD
View
A
Retailer 3
-
$2,010 AUD
$1,412 USD
View
Retailer 4
-
$2,047 AUD
$1,438 USD
View
Price last confirmed 29 days ago
Retailer 5
-
$2,320 AUD
$1,630 USD
View
Price last confirmed 33 days ago
A
Retailer 6
-
$2,373 AUD
£1,312 GBP
View
Retailer 7
-
$2,473 AUD
$1,737 USD
View
Price last confirmed 28 days ago
A
Retailer 8
-
$2,651 AUD
$1,862 USD
View
A
Retailer 9
-
$2,931 AUD
€1,961 EUR
View
A
Retailer 10
-
$3,469 AUD
$2,437 USD
View
A
Retailer 11
-
$3,925 AUD
$2,757 USD
View
B+
Retailer 12
-
$4,283 AUD
ZAR 48,604 ZAR
View
B+
Retailer 13
-
$4,578 AUD
£2,532 GBP
View
Retailer 14
-
$4,637 AUD
$3,257 USD
View
Price last confirmed 30 days ago
B+
Retailer 15
-
$5,085 AUD
$3,572 USD
View
B+
Retailer 16
-
$5,637 AUD
£3,118 GBP
View
B+
Retailer 17
-
$5,788 AUD
$4,066 USD
View
B+
Retailer 18
-
$6,168 AUD
SGD 5,855 SGD
View
B+
Retailer 19
-
$6,660 AUD
$4,678 USD
View
Retailer 20
-
$7,979 AUD
$5,605 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
21417367A · Oct 30
$8,969 AUD
$6,300 USD
View
20 more retailers have this diamond
Prices start from $1,742 AUDSave up to $7,226 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
2.59ct Radiant
$1,742 AUD