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Radiant|Lab Grown|IGI

2.56ct E IF Radiant Lab Grown Diamond

E/IF • IGI LG637460197

Certificate IGI LG637460197

Diamond specifications and retailer prices

From $2,377 AUD
$1,670 USD
As of October 30, 2026
Save $8,627 AUD (78%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $11,004 AUD at Zales · As of October 30, 2026
View at Zales

About this 2.56ct lab-grown radiant diamond

This 2.56ct lab-grown radiant sits in the two to three carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless) and certified by IGI LG637460197 or 637460197. Listed at 3 retailers as of October 30, 2026, with prices from $2,377 to $11,004, a $8,627 spread on the same certified stone. Zales lists it at $11,004. 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

2.56
Carat
E
Colour
IF
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG637460197
Dimensions9.66 × 6.88 mm
L/W Ratio1.40
Top View
9.66 mm6.88 mm2.56 ctE / IF
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG637460197
Side View
Table 68.0%CrownGirdle: MediumPavilionCulet: NoneDepth 66.4%

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 30
Current: $2,377 AUD|Low: $2,377 AUD|High: $11,019 AUD|Avg: $9,004 AUD|-58.8%
Retailer 1
Retailer 2
Zales
September 28, 2026
Retailer 1$2,377 AUD
Retailer 2$11,004 AUD
Zales$11,004 AUD

7 data points across 3 retailers

3 retailers$2,377 AUD to $11,004 AUD

A
Cheapest Retailer
-
$2,377 AUD
$1,670 USD
B
Retailer 2
-
$11,004 AUD
$7,730 USD
View
Most Expensive
B
Zales
527912267 · Oct 30
$11,004 AUD
$7,730 USD
View
2 more retailers have this diamond
Prices start from $2,377 AUDSave up to $8,627 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
2.56ct Radiant
$2,377 AUD