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Round|Lab Grown|IGI

2.55ct K SI1 Round Lab Grown Diamond

EX • K/SI1 • IGI LG485161729

Shape and cutting style on the report: Round brilliant

Certificate IGI LG485161729

Diamond specifications and retailer prices

From €1,980 EUR
As of November 5, 2026
Save €4,233 EUR (68%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €6,213 EUR at MOH London · As of November 5, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG485161729 or 485161729. Listed at 9 retailers as of November 5, 2026, with prices from €1,980 to €6,213, a €4,233 spread on the same certified stone. MOH London lists it at €6,213. 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG485161729
Dimensions8.90 × 8.96 × 5.25 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.90 mm8.96 mm2.55 ctK / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG485161729
Side View
Table 59.5%Crown 31.4°GirdlePavilion 40.4°Culet: NoneDepth 58.8%

Caratlytics Score

How it works →
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 5
Current: €6,213 EUR|Low: €1,980 EUR|High: €6,313 EUR|Avg: €3,537 EUR|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 4€1,980 EUR
Retailer 5€2,296 EUR
Retailer 2€2,441 EUR
Retailer 7€2,930 EUR
Retailer 6€3,585 EUR
Retailer 3€3,599 EUR
MOH London€6,213 EUR

19 data points across 7 retailers

9 retailers€1,980 EUR to €6,213 EUR

A
Cheapest Retailer
-
€1,980 EUR
A
Retailer 2
-
€2,153 EUR
View
Retailer 3
-
€2,296 EUR
View
Price last confirmed 26 days ago
B+
Retailer 4
-
€2,296 EUR
View
B+
Retailer 5
-
€2,441 EUR
View
B
Retailer 6
-
€3,156 EUR
View
B
Retailer 7
-
€3,585 EUR
View
B
Retailer 8
-
€3,599 EUR
View
Most Expensive
B
MOH London
LG485161729 · Nov 5
€6,213 EUR
£5,491 GBP
View
8 more retailers have this diamond
Prices start from €1,980 EURSave up to €4,233 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
€1,980 EUR