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 $1,670 USD
As of October 30, 2026
Save $6,060 USD (78%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $7,730 USD 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 $1,670 to $7,730, a $6,060 spread on the same certified stone. Zales lists it at $7,730. 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
Color
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
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Price History

Last verified: Oct 30
Current: $1,670 USD|Low: $1,670 USD|High: $7,740 USD|Avg: $6,325 USD|-58.8%
Retailer 1
Retailer 2
Zales
September 28, 2026
Retailer 1$1,670 USD
Retailer 2$7,730 USD
Zales$7,730 USD

7 data points across 3 retailers

3 retailers$1,670 USD to $7,730 USD

A
Cheapest Retailer
-
$1,670 USD
B
Retailer 2
-
$7,730 USD
View
Most Expensive
B
Zales
527912267 · Oct 30
$7,730 USD
View
2 more retailers have this diamond
Prices start from $1,670 USDSave up to $6,060 USD

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
$1,670 USD