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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 £1,037 GBP
$1,390 USD
As of October 30, 2026
Save £851 GBP (45%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,888 GBP at Zales · As of October 30, 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 30, 2026, with prices from £1,037 to £1,888, a £851 spread on the same certified stone. Zales lists it at £1,888. 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

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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: £1,037 GBP|Low: £1,037 GBP|High: £2,635 GBP|Avg: £2,082 GBP|-60.6%
Retailer 1
Retailer 2
Zales
September 28, 2026
Retailer 1£1,037 GBP
Retailer 2£1,888 GBP
Zales£1,888 GBP

6 data points across 3 retailers

3 retailers£1,037 GBP to £1,888 GBP

B
Cheapest Retailer
-
£1,037 GBP
$1,390 USD
C
Retailer 2
-
£1,888 GBP
$2,530 USD
View
Most Expensive
C
Zales
528004120 · Oct 30
£1,888 GBP
$2,530 USD
View
2 more retailers have this diamond
Prices start from £1,037 GBPSave up to £851 GBP

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
£1,037 GBP