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Round|Lab Grown|IGI

2.55ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG756510880

Shape and cutting style on the report: Round brilliant

Certificate IGI LG756510880

Diamond specifications and retailer prices

From €262 EUR
$294 USD
As of November 1, 2026
Save €1,485 EUR (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,747 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.55ct lab-grown round diamond

This 2.55ct 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 LG756510880 or 756510880. Listed at 18 retailers as of October 31, 2026, with prices from €262 to €1,747, a €1,485 spread on the same certified stone. Brilliant Earth lists it at €1,747. 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

2.55
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756510880
Dimensions8.67 × 8.70 × 5.45 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.67 mm8.70 mm2.55 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756510880
Side View
Table 58.0%Crown 35.8°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €1,747 EUR|Low: €262 EUR|High: €1,801 EUR|Avg: €722 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
Retailer 15
November 2, 2026
Retailer 12€262 EUR
Retailer 4€292 EUR
Retailer 5€325 EUR
Retailer 6€325 EUR
Retailer 7€393 EUR
Retailer 10€464 EUR
Retailer 8€569 EUR
Retailer 2€579 EUR
Retailer 13€681 EUR
Retailer 11€785 EUR
Retailer 14€1,043 EUR
Retailer 3€1,087 EUR
Retailer 9€1,301 EUR
Retailer 15€1,331 EUR
Brilliant Earth€1,747 EUR

35 data points across 15 retailers

18 retailers€262 EUR to €1,747 EUR

A
Cheapest Retailer
-
€262 EUR
$294 USD
A
Retailer 2
-
€292 EUR
$328 USD
View
Final sale: no returns
A
Retailer 3
-
€325 EUR
$364 USD
View
Retailer 4
-
€325 EUR
$364 USD
View
Price last confirmed 62 days ago
Retailer 5
-
€325 EUR
$364 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
€393 EUR
$441 USD
View
A
Retailer 7
-
€464 EUR
$520 USD
View
A
Retailer 8
-
€569 EUR
£502 GBP
View
A
Retailer 9
-
€579 EUR
View
A
Retailer 10
-
€681 EUR
$764 USD
View
B+
Retailer 11
-
€785 EUR
$880 USD
View
Retailer 12
-
€830 EUR
$931 USD
View
Price last confirmed 11 days ago
B
Retailer 13
-
€1,043 EUR
$1,170 USD
View
B+
Retailer 14
-
€1,087 EUR
$1,219 USD
View
B+
Retailer 15
-
€1,301 EUR
£1,149 GBP
View
B
Retailer 16
-
€1,331 EUR
$1,492 USD
View
Retailer 17
-
€1,456 EUR
$1,633 USD
View
Price last confirmed 78 days ago
Most Expensive
B
Brilliant Earth
20960836A · Oct 31
€1,747 EUR
$1,960 USD
View
17 more retailers have this diamond
Prices start from €262 EURSave up to €1,485 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
2.55ct Round
€262 EUR