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Round|Lab Grown|IGI

2.56ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG840643115

Shape and cutting style on the report: Round brilliant

Certificate IGI LG840643115

Diamond specifications and retailer prices

From €275 EUR
$308 USD
As of November 1, 2026
Save €1,830 EUR (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €2,104 EUR at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 2.56ct lab-grown round diamond

This 2.56ct 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 LG840643115 or 840643115. Listed at 16 retailers as of November 1, 2026, with prices from €275 to €2,104, a €1,830 spread on the same certified stone. Do Amore Diamonds lists it at €2,104. 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

2.56
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840643115
Dimensions8.70 × 8.68 × 5.43 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.70 mm8.68 mm2.56 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840643115
Side View
Table 57.0%Crown 35.2°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.5%

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: €2,104 EUR|Low: €275 EUR|High: €2,398 EUR|Avg: €1,110 EUR|-12.3%
Do Amore Diamonds
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
Retailer 15
Retailer 16
November 2, 2026
Retailer 11€275 EUR
Retailer 7€315 EUR
Retailer 16€465 EUR
Retailer 14€486 EUR
Retailer 4€538 EUR
Retailer 13€576 EUR
Retailer 2€579 EUR
Retailer 9€685 EUR
Retailer 5€833 EUR
Retailer 15€1,145 EUR
Retailer 10€1,351 EUR
Retailer 6€1,380 EUR
Retailer 3€1,389 EUR
Retailer 8€1,713 EUR
Retailer 12€1,846 EUR
Do Amore Diamonds€2,104 EUR

17 data points across 16 retailers

16 retailers€275 EUR to €2,104 EUR

A
Cheapest Retailer
-
€275 EUR
$308 USD
A
Retailer 2
-
€315 EUR
$353 USD
View
Final sale: no returns
B+
Retailer 3
-
€465 EUR
$521 USD
View
A
Retailer 4
-
€486 EUR
$545 USD
View
A
Retailer 5
-
€518 EUR
$581 USD
View
A
Retailer 6
-
€538 EUR
$603 USD
View
A
Retailer 7
-
€579 EUR
£511 GBP
View
A
Retailer 8
-
€685 EUR
£605 GBP
View
A
Retailer 9
-
€833 EUR
$934 USD
View
B+
Retailer 10
-
€1,145 EUR
CA$1,784 CAD
View
B
Retailer 11
-
€1,351 EUR
$1,515 USD
View
B
Retailer 12
-
€1,380 EUR
$1,548 USD
View
B
Retailer 13
-
€1,389 EUR
$1,558 USD
View
Retailer 14
-
€1,713 EUR
£1,513 GBP
View
Price last confirmed 12 days ago
B
Retailer 15
-
€1,846 EUR
$2,070 USD
View
Most Expensive
B
Do Amore Diamonds
25-243191-019 · Nov 2
€2,104 EUR
$2,360 USD
View
15 more retailers have this diamond
Prices start from €275 EURSave up to €1,830 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
2.56ct Round
€275 EUR