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Round|Lab Grown|IGI

2.55ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG818675188

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818675188

Diamond specifications and retailer prices

From €280 EUR
$313 USD
As of November 1, 2026
Save €1,111 EUR (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,391 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 2.55ct lab-grown round diamond

This 2.55ct lab-grown round sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG818675188 or 818675188. Listed at 16 retailers as of November 1, 2026, with prices from €280 to €1,391, a €1,111 spread on the same certified stone. MOH London lists it at €1,391. 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
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818675188
Dimensions8.81 × 8.74 × 5.37 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.81 mm8.74 mm2.55 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818675188
Side View
Table 59.0%Crown 34.6°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.2%

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: €1,391 EUR|Low: €269 EUR|High: €1,408 EUR|Avg: €581 EUR|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 6€280 EUR
Retailer 10€313 EUR
Retailer 7€347 EUR
Retailer 9€347 EUR
Retailer 2€503 EUR
Retailer 8€565 EUR
Retailer 4€568 EUR
Retailer 3€617 EUR
Retailer 5€1,019 EUR
MOH London€1,391 EUR

43 data points across 10 retailers

16 retailers€280 EUR to €1,391 EUR

Retailer 1
-
€280 EUR
$313 USD
Price last confirmed 37 days ago
A
Retailer 2
-
€280 EUR
$313 USD
View
A
Retailer 3
-
€313 EUR
$350 USD
View
Final sale: no returns
Retailer 4
-
€325 EUR
$363 USD
View
Price last confirmed 39 days ago
Retailer 5
-
€343 EUR
$383 USD
View
Price last confirmed 36 days ago
A
Retailer 6
-
€347 EUR
$388 USD
View
Retailer 7
-
€347 EUR
$388 USD
View
Price last confirmed 7 days ago
A
Retailer 8
-
€503 EUR
£442 GBP
View
B+
Retailer 9
-
€565 EUR
$631 USD
View
A
Retailer 10
-
€568 EUR
$635 USD
View
A
Retailer 11
-
€617 EUR
£543 GBP
View
B+
Retailer 12
-
€898 EUR
$1,003 USD
View
B+
Retailer 13
-
€1,019 EUR
$1,138 USD
View
B
Retailer 14
-
€1,116 EUR
$1,247 USD
View
B+
Retailer 15
-
€1,158 EUR
$1,293 USD
View
Most Expensive
B
MOH London
LG818675188 · Nov 1
€1,391 EUR
£1,224 GBP
View
15 more retailers have this diamond
Prices start from €280 EURSave up to €1,111 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
€280 EUR