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Round|Lab Grown|IGI

2.59ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG782619510

Shape and cutting style on the report: Round brilliant

Certificate IGI LG782619510

Diamond specifications and retailer prices

From €458 EUR
$512 USD
As of November 1, 2026
Save €2,522 EUR (85%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €2,981 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.59ct lab-grown round diamond

This 2.59ct lab-grown round sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG782619510 or 782619510. Listed at 8 retailers as of October 31, 2026, with prices from €458 to €2,981, a €2,522 spread on the same certified stone. Brilliant Earth lists it at €2,981. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.59
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG782619510
Dimensions8.81 × 8.76 × 5.44 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.81 mm8.76 mm2.59 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG782619510
Side View
Table 58.0%Crown 35.3°Girdle: MediumPavilion 41°Culet: NoneDepth 61.9%

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: Nov 1
Current: €2,981 EUR|Low: €458 EUR|High: €3,070 EUR|Avg: €1,056 EUR|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 4€458 EUR
Retailer 2€601 EUR
Retailer 5€606 EUR
Retailer 6€678 EUR
Retailer 7€707 EUR
Retailer 3€1,369 EUR
Brilliant Earth€2,981 EUR

40 data points across 7 retailers

8 retailers€458 EUR to €2,981 EUR

B+
Cheapest Retailer
-
€458 EUR
$512 USD
A
Retailer 2
-
€601 EUR
£529 GBP
View
A
Retailer 3
-
€606 EUR
View
A
Retailer 4
-
€678 EUR
$758 USD
View
A
Retailer 5
-
€707 EUR
$790 USD
View
B
Retailer 6
-
€1,140 EUR
$1,273 USD
View
B+
Retailer 7
-
€1,369 EUR
£1,204 GBP
View
Most Expensive
B
Brilliant Earth
18382616A · Oct 31
€2,981 EUR
$3,330 USD
View
7 more retailers have this diamond
Prices start from €458 EURSave up to €2,522 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.

A
2.59ct Round
€458 EUR