Radiant|Lab Grown|IGI

2.58ct E SI2 Radiant Lab Grown Diamond

E/SI2 • IGI LG787625405

Certificate IGI LG787625405

Diamond specifications and retailer prices

From $2,475 NZD
$1,390 USD
As of October 30, 2026
Save $2,030 NZD (45%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $4,505 NZD at Zales · As of October 28, 2026
View at Zales

About this 2.58ct lab-grown radiant diamond

This 2.58ct lab-grown radiant sits in the two to three carat band, graded E colour (colourless) and SI2 clarity (slightly-included) and certified by IGI LG787625405 or 787625405. Listed at 3 retailers as of October 28, 2026, with prices from $2,475 to $4,505, a $2,030 spread on the same certified stone. Zales lists it at $4,505. 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

2.58
Carat
E
Colour
SI2
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG787625405
Dimensions9.07 × 6.98 mm
L/W Ratio1.30
Top View
9.07 mm6.98 mm2.58 ctE / SI2
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787625405
Side View
Table 63.0%CrownGirdle: MediumPavilionCulet: NoneDepth 66.0%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,475 NZD|Low: $2,475 NZD|High: $6,285 NZD|Avg: $4,968 NZD|-60.6%
Retailer 1
Retailer 2
Zales
September 28, 2026
Retailer 1$2,475 NZD
Retailer 2$4,505 NZD
Zales$4,505 NZD

6 data points across 3 retailers

3 retailers$2,475 NZD to $4,505 NZD

B
Cheapest Retailer
-
$2,475 NZD
$1,390 USD
C
Retailer 2
-
$4,505 NZD
$2,530 USD
View
Most Expensive
C
Zales
528004120 · Oct 28
$4,505 NZD
$2,530 USD
View
2 more retailers have this diamond
Prices start from $2,475 NZDSave up to $2,030 NZD

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.

B
2.58ct Radiant
$2,475 NZD