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Radiant|Lab Grown|IGI

2.50ct F SI2 Radiant Lab Grown Diamond

VG • F/SI2 • IGI LG653444091

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

Certificate IGI LG653444091

Diamond specifications and retailer prices

From $456 AUD
As of November 6, 2026
Save $2,397 AUD (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,853 AUD at Brilliant Earth · As of November 6, 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 F colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI LG653444091 or 653444091. Listed at 11 retailers as of November 6, 2026, with prices from $456 to $2,853, a $2,397 spread on the same certified stone. Brilliant Earth lists it at $2,853. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.50
Carat
F
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG653444091
Dimensions9.41 × 6.66 × 4.69 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.41 mm6.66 mm2.50 ctF / SI2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG653444091
Side View
Table 67.0%Crown 40.5°Girdle: MED-STKPavilion 35.6°Culet: NoneDepth 70.4%

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: Nov 6
Current: $2,853 AUD|Low: $437 AUD|High: $4,323 AUD|Avg: $1,223 AUD|-33.3%
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
November 5, 2026
Retailer 6$456 AUD
Retailer 13$509 AUD
Retailer 9$528 AUD
Retailer 7$565 AUD
Retailer 11$565 AUD
Retailer 3$792 AUD
Retailer 4$1,060 AUD
Retailer 2$1,106 AUD
Retailer 12$1,106 AUD
Retailer 10$1,742 AUD
Retailer 5$1,976 AUD
Retailer 8$2,001 AUD
Brilliant Earth$2,853 AUD

43 data points across 13 retailers

11 retailers$456 AUD to $2,853 AUD

A
Cheapest Retailer
-
$456 AUD
A
Retailer 2
-
$509 AUD
View
Final sale: no returns
A
Retailer 3
-
$528 AUD
View
B+
Retailer 4
-
$565 AUD
View
Retailer 5
-
$565 AUD
View
Price last confirmed 13 days ago
B+
Retailer 6
-
$792 AUD
View
B+
Retailer 7
-
$1,106 AUD
View
A
Retailer 8
-
$1,106 AUD
View
B
Retailer 9
-
$1,742 AUD
View
B
Retailer 10
-
$2,001 AUD
View
Most Expensive
B
Brilliant Earth
20509669A · Nov 6
$2,853 AUD
$1,960 USD
View
10 more retailers have this diamond
Prices start from $456 AUDSave up to $2,397 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
$456 AUD