Radiant|Lab Grown|IGI

2.57ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG700540698

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

Certificate IGI LG700540698

Diamond specifications and retailer prices

From €792 EUR

$885 USD

As of November 2, 2026

Save €4,185 EUR (84%) vs most expensive(unlock to see where)

12 retailers carry this diamond

Most expensive: €4,977 EUR at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 2.57ct lab-grown radiant diamond

This 2.57ct lab-grown radiant sits in the two to three carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG700540698 or 700540698. Listed at 12 retailers as of October 31, 2026, with prices from €792 to €4,977, a €4,185 spread on the same certified stone. Brilliant Earth lists it at €4,977. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.57

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle40.9°

Pavilion angle36°

OriginLab Grown

Grading LabIGI

CertificateIGI LG700540698

Dimensions9.74 × 6.50 × 4.65 mm

L/W Ratio1.50

Culet sizePointed

Cert comments

As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG700540698

Side View

Caratlytics Score

How it works →

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: Nov 2

Current: €4,977 EUR|Low: €687 EUR|High: €5,245 EUR|Avg: €2,432 EUR|-3.0%

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

Retailer 14

October 31, 2026

Retailer 4€687 EUR

Retailer 14€792 EUR

Retailer 3€827 EUR

Retailer 9€1,048 EUR

Retailer 2€1,143 EUR

Retailer 11€1,696 EUR

Retailer 5€1,839 EUR

Retailer 12€1,899 EUR

Retailer 8€2,989 EUR

Retailer 7€3,168 EUR

Retailer 13€3,737 EUR

Retailer 6€3,980 EUR

Retailer 10€4,896 EUR

Brilliant Earth€4,977 EUR

18 data points across 14 retailers

12 retailers€792 EUR to €4,977 EUR

Cheapest Retailer

€792 EUR

$885 USD

Retailer 2

€827 EUR

$924 USD

View

Retailer 3

€1,048 EUR

$1,171 USD

View

Retailer 4

€1,143 EUR

View

Retailer 5

€1,696 EUR

$1,895 USD

View

Price last confirmed 7 days ago

Retailer 6

€1,839 EUR

$2,055 USD

View

Retailer 7

€1,899 EUR

$2,122 USD

View

B+

Retailer 8

€2,989 EUR

£2,629 GBP

View

B+

Retailer 9

€3,168 EUR

A$5,445 AUD

View

B+

Retailer 10

€3,737 EUR

$4,175 USD

View

Retailer 11

€4,896 EUR

$5,470 USD

View

Most Expensive

Brilliant Earth

13959243Y · Oct 31

€4,977 EUR

$5,560 USD

View

11 more retailers have this diamond

Prices start from €792 EURSave up to €4,185 EUR

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.

Similar diamonds

2.57ct Radiant

€792 EUR